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version-3.51.3
src/shell.c.in
14 096 строк
449 KB
drh
Fix a memory leak in the fileio extension on windows. Other changes to
20 дек 2025, 02:47
20 дек 2025, 02:47
323199b
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/* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" command line ** utility for accessing SQLite databases. */ #if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS) /* This needs to come before any includes for MSVC compiler */ #define _CRT_SECURE_NO_WARNINGS #endif typedef unsigned int u32; typedef unsigned short int u16; /* ** Optionally #include a user-defined header, whereby compilation options ** may be set prior to where they take effect, but after platform setup. ** If SQLITE_CUSTOM_INCLUDE=? is defined, its value names the #include ** file. Note that this macro has a like effect on sqlite3.c compilation. */ # define SHELL_STRINGIFY_(f) #f # define SHELL_STRINGIFY(f) SHELL_STRINGIFY_(f) #ifdef SQLITE_CUSTOM_INCLUDE # include SHELL_STRINGIFY(SQLITE_CUSTOM_INCLUDE) #endif /* ** Determine if we are dealing with WinRT, which provides only a subset of ** the full Win32 API. */ #if !defined(SQLITE_OS_WINRT) # define SQLITE_OS_WINRT 0 #endif /* ** If SQLITE_SHELL_FIDDLE is defined then the shell is modified ** somewhat for use as a WASM module in a web browser. This flag ** should only be used when building the "fiddle" web application, as ** the browser-mode build has much different user input requirements ** and this build mode rewires the user input subsystem to account for ** that. */ /* ** Warning pragmas copied from msvc.h in the core. */ #if defined(_MSC_VER) #pragma warning(disable : 4054) #pragma warning(disable : 4055) #pragma warning(disable : 4100) #pragma warning(disable : 4127) #pragma warning(disable : 4130) #pragma warning(disable : 4152) #pragma warning(disable : 4189) #pragma warning(disable : 4206) #pragma warning(disable : 4210) #pragma warning(disable : 4232) #pragma warning(disable : 4244) #pragma warning(disable : 4305) #pragma warning(disable : 4306) #pragma warning(disable : 4702) #pragma warning(disable : 4706) #endif /* defined(_MSC_VER) */ /* ** No support for loadable extensions in VxWorks. */ #if (defined(__RTP__) || defined(_WRS_KERNEL)) && !SQLITE_OMIT_LOAD_EXTENSION # define SQLITE_OMIT_LOAD_EXTENSION 1 #endif /* ** Enable large-file support for fopen() and friends on unix. */ #ifndef SQLITE_DISABLE_LFS # define _LARGE_FILE 1 # ifndef _FILE_OFFSET_BITS # define _FILE_OFFSET_BITS 64 # endif # define _LARGEFILE_SOURCE 1 #endif #if defined(SQLITE_SHELL_FIDDLE) && !defined(_POSIX_SOURCE) /* ** emcc requires _POSIX_SOURCE (or one of several similar defines) ** to expose strdup(). */ # define _POSIX_SOURCE #endif #include <stdlib.h> #include <string.h> #include <stdio.h> #include <assert.h> #include <math.h> #include "sqlite3.h" typedef sqlite3_int64 i64; typedef sqlite3_uint64 u64; typedef unsigned char u8; #include <ctype.h> #include <stdarg.h> #ifndef _WIN32 # include <sys/time.h> #endif #if !defined(_WIN32) && !defined(WIN32) # include <signal.h> # if !defined(__RTP__) && !defined(_WRS_KERNEL) && !defined(SQLITE_WASI) # include <pwd.h> # endif #endif #if (!defined(_WIN32) && !defined(WIN32)) || defined(__MINGW32__) # include <unistd.h> # include <dirent.h> # define GETPID getpid # if defined(__MINGW32__) # define DIRENT dirent # ifndef S_ISLNK # define S_ISLNK(mode) (0) # endif # endif #else # define GETPID (int)GetCurrentProcessId #endif #include <sys/types.h> #include <sys/stat.h> #if HAVE_READLINE # include <readline/readline.h> # include <readline/history.h> #endif #if HAVE_EDITLINE # include <editline/readline.h> #endif #if HAVE_EDITLINE || HAVE_READLINE # define shell_add_history(X) add_history(X) # define shell_read_history(X) read_history(X) # define shell_write_history(X) write_history(X) # define shell_stifle_history(X) stifle_history(X) # define shell_readline(X) readline(X) #elif HAVE_LINENOISE # include "linenoise.h" # define shell_add_history(X) linenoiseHistoryAdd(X) # define shell_read_history(X) linenoiseHistoryLoad(X) # define shell_write_history(X) linenoiseHistorySave(X) # define shell_stifle_history(X) linenoiseHistorySetMaxLen(X) # define shell_readline(X) linenoise(X) #else # define shell_read_history(X) # define shell_write_history(X) # define shell_stifle_history(X) # define SHELL_USE_LOCAL_GETLINE 1 #endif #ifndef deliberate_fall_through /* Quiet some compilers about some of our intentional code. */ # if defined(GCC_VERSION) && GCC_VERSION>=7000000 # define deliberate_fall_through __attribute__((fallthrough)); # else # define deliberate_fall_through # endif #endif #if defined(_WIN32) || defined(WIN32) # if SQLITE_OS_WINRT # define SQLITE_OMIT_POPEN 1 # else # include <io.h> # include <fcntl.h> # define isatty(h) _isatty(h) # ifndef access # define access(f,m) _access((f),(m)) # endif # ifndef unlink # define unlink _unlink # endif # ifndef strdup # define strdup _strdup # endif # undef pclose # define pclose _pclose # endif #else /* Make sure isatty() has a prototype. */ extern int isatty(int); # if !defined(__RTP__) && !defined(_WRS_KERNEL) && !defined(SQLITE_WASI) /* popen and pclose are not C89 functions and so are ** sometimes omitted from the <stdio.h> header */ extern FILE *popen(const char*,const char*); extern int pclose(FILE*); # else # define SQLITE_OMIT_POPEN 1 # endif #endif #if defined(_WIN32_WCE) /* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty() * thus we always assume that we have a console. That can be * overridden with the -batch command line option. */ #define isatty(x) 1 #endif /* ctype macros that work with signed characters */ #define IsSpace(X) isspace((unsigned char)X) #define IsDigit(X) isdigit((unsigned char)X) #define ToLower(X) (char)tolower((unsigned char)X) #define IsAlnum(X) isalnum((unsigned char)X) #define IsAlpha(X) isalpha((unsigned char)X) #if defined(_WIN32) || defined(WIN32) #if SQLITE_OS_WINRT #include <intrin.h> #endif #undef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN #include <windows.h> /* string conversion routines only needed on Win32 */ extern char *sqlite3_win32_unicode_to_utf8(LPCWSTR); extern LPWSTR sqlite3_win32_utf8_to_unicode(const char *zText); #endif INCLUDE ../ext/misc/sqlite3_stdio.h INCLUDE ../ext/misc/sqlite3_stdio.c /* Use console I/O package as a direct INCLUDE. */ #define SQLITE_INTERNAL_LINKAGE static #ifdef SQLITE_SHELL_FIDDLE /* Deselect most features from the console I/O package for Fiddle. */ # define SQLITE_CIO_NO_REDIRECT # define SQLITE_CIO_NO_CLASSIFY # define SQLITE_CIO_NO_TRANSLATE # define SQLITE_CIO_NO_SETMODE # define SQLITE_CIO_NO_FLUSH #endif #define eputz(z) sqlite3_fputs(z,stderr) #define sputz(fp,z) sqlite3_fputs(z,fp) /* True if the timer is enabled */ static int enableTimer = 0; /* A version of strcmp() that works with NULL values */ static int cli_strcmp(const char *a, const char *b){ if( a==0 ) a = ""; if( b==0 ) b = ""; return strcmp(a,b); } static int cli_strncmp(const char *a, const char *b, size_t n){ if( a==0 ) a = ""; if( b==0 ) b = ""; return strncmp(a,b,n); } /* Return the current wall-clock time in microseconds since the ** Unix epoch (1970-01-01T00:00:00Z) */ static sqlite3_int64 timeOfDay(void){ #if defined(_WIN64) sqlite3_uint64 t; FILETIME tm; GetSystemTimePreciseAsFileTime(&tm); t = ((u64)tm.dwHighDateTime<<32) | (u64)tm.dwLowDateTime; t += 116444736000000000LL; t /= 10; return t; #elif defined(_WIN32) static sqlite3_vfs *clockVfs = 0; sqlite3_int64 t; if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0); if( clockVfs==0 ) return 0; /* Never actually happens */ if( clockVfs->iVersion>=2 && clockVfs->xCurrentTimeInt64!=0 ){ clockVfs->xCurrentTimeInt64(clockVfs, &t); }else{ double r; clockVfs->xCurrentTime(clockVfs, &r); t = (sqlite3_int64)(r*86400000.0); } return t*1000; #else struct timeval sNow; (void)gettimeofday(&sNow,0); return ((i64)sNow.tv_sec)*1000000 + sNow.tv_usec; #endif } #if !defined(_WIN32) && !defined(WIN32) && !defined(__minux) #include <sys/time.h> #include <sys/resource.h> /* VxWorks does not support getrusage() as far as we can determine */ #if defined(_WRS_KERNEL) || defined(__RTP__) struct rusage { struct timeval ru_utime; /* user CPU time used */ struct timeval ru_stime; /* system CPU time used */ }; #define getrusage(A,B) memset(B,0,sizeof(*B)) #endif /* Saved resource information for the beginning of an operation */ static struct rusage sBegin; /* CPU time at start */ static sqlite3_int64 iBegin; /* Wall-clock time at start */ /* ** Begin timing an operation */ static void beginTimer(void){ if( enableTimer ){ getrusage(RUSAGE_SELF, &sBegin); iBegin = timeOfDay(); } } /* Return the difference of two time_structs in seconds */ static double timeDiff(struct timeval *pStart, struct timeval *pEnd){ return (pEnd->tv_usec - pStart->tv_usec)*0.000001 + (double)(pEnd->tv_sec - pStart->tv_sec); } /* ** Print the timing results. */ static void endTimer(FILE *out){ if( enableTimer ){ sqlite3_int64 iEnd = timeOfDay(); struct rusage sEnd; getrusage(RUSAGE_SELF, &sEnd); sqlite3_fprintf(out, "Run Time: real %.6f user %.6f sys %.6f\n", (iEnd - iBegin)*0.000001, timeDiff(&sBegin.ru_utime, &sEnd.ru_utime), timeDiff(&sBegin.ru_stime, &sEnd.ru_stime)); } } #define BEGIN_TIMER beginTimer() #define END_TIMER(X) endTimer(X) #define HAS_TIMER 1 #elif (defined(_WIN32) || defined(WIN32)) /* Saved resource information for the beginning of an operation */ static HANDLE hProcess; static FILETIME ftKernelBegin; static FILETIME ftUserBegin; static sqlite3_int64 ftWallBegin; typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, LPFILETIME, LPFILETIME); static GETPROCTIMES getProcessTimesAddr = NULL; /* ** Check to see if we have timer support. Return 1 if necessary ** support found (or found previously). */ static int hasTimer(void){ if( getProcessTimesAddr ){ return 1; } else { #if !SQLITE_OS_WINRT /* GetProcessTimes() isn't supported in WIN95 and some other Windows ** versions. See if the version we are running on has it, and if it ** does, save off a pointer to it and the current process handle. */ hProcess = GetCurrentProcess(); if( hProcess ){ HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll")); if( NULL != hinstLib ){ getProcessTimesAddr = (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes"); if( NULL != getProcessTimesAddr ){ return 1; } FreeLibrary(hinstLib); } } #endif } return 0; } /* ** Begin timing an operation */ static void beginTimer(void){ if( enableTimer && getProcessTimesAddr ){ FILETIME ftCreation, ftExit; getProcessTimesAddr(hProcess,&ftCreation,&ftExit, &ftKernelBegin,&ftUserBegin); ftWallBegin = timeOfDay(); } } /* Return the difference of two FILETIME structs in seconds */ static double timeDiff(FILETIME *pStart, FILETIME *pEnd){ sqlite_int64 i64Start = *((sqlite_int64 *) pStart); sqlite_int64 i64End = *((sqlite_int64 *) pEnd); return (double) ((i64End - i64Start) / 10000000.0); } /* ** Print the timing results. */ static void endTimer(FILE *out){ if( enableTimer && getProcessTimesAddr){ FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd; sqlite3_int64 ftWallEnd = timeOfDay(); getProcessTimesAddr(hProcess,&ftCreation,&ftExit,&ftKernelEnd,&ftUserEnd); #ifdef _WIN64 /* microsecond precision on 64-bit windows */ sqlite3_fprintf(out, "Run Time: real %.6f user %f sys %f\n", (ftWallEnd - ftWallBegin)*0.000001, timeDiff(&ftUserBegin, &ftUserEnd), timeDiff(&ftKernelBegin, &ftKernelEnd)); #else /* millisecond precisino on 32-bit windows */ sqlite3_fprintf(out, "Run Time: real %.3f user %.3f sys %.3f\n", (ftWallEnd - ftWallBegin)*0.000001, timeDiff(&ftUserBegin, &ftUserEnd), timeDiff(&ftKernelBegin, &ftKernelEnd)); #endif } } #define BEGIN_TIMER beginTimer() #define END_TIMER(X) endTimer(X) #define HAS_TIMER hasTimer() #else #define BEGIN_TIMER #define END_TIMER(X) /*no-op*/ #define HAS_TIMER 0 #endif /* ** Used to prevent warnings about unused parameters */ #define UNUSED_PARAMETER(x) (void)(x) /* ** Number of elements in an array */ #define ArraySize(X) (int)(sizeof(X)/sizeof(X[0])) /* ** If the following flag is set, then command execution stops ** at an error if we are not interactive. */ static int bail_on_error = 0; /* ** Treat stdin as an interactive input if the following variable ** is true. Otherwise, assume stdin is connected to a file or pipe. */ static int stdin_is_interactive = 1; /* ** On Windows systems we need to know if standard output is a console ** in order to show that UTF-16 translation is done in the sign-on ** banner. The following variable is true if it is the console. */ static int stdout_is_console = 1; /* ** The following is the open SQLite database. We make a pointer ** to this database a static variable so that it can be accessed ** by the SIGINT handler to interrupt database processing. */ static sqlite3 *globalDb = 0; /* ** True if an interrupt (Control-C) has been received. */ static volatile int seenInterrupt = 0; /* ** This is the name of our program. It is set in main(), used ** in a number of other places, mostly for error messages. */ static char *Argv0; /* ** Prompt strings. Initialized in main. Settable with ** .prompt main continue */ #define PROMPT_LEN_MAX 128 /* First line prompt. default: "sqlite> " */ static char mainPrompt[PROMPT_LEN_MAX]; /* Continuation prompt. default: " ...> " */ static char continuePrompt[PROMPT_LEN_MAX]; /* This is variant of the standard-library strncpy() routine with the ** one change that the destination string is always zero-terminated, even ** if there is no zero-terminator in the first n-1 characters of the source ** string. */ static char *shell_strncpy(char *dest, const char *src, size_t n){ size_t i; for(i=0; i<n-1 && src[i]!=0; i++) dest[i] = src[i]; dest[i] = 0; return dest; } /* ** strcpy() workalike to squelch an unwarranted link-time warning ** from OpenBSD. */ static void shell_strcpy(char *dest, const char *src){ while( (*(dest++) = *(src++))!=0 ){} } /* ** Optionally disable dynamic continuation prompt. ** Unless disabled, the continuation prompt shows open SQL lexemes if any, ** or open parentheses level if non-zero, or continuation prompt as set. ** This facility interacts with the scanner and process_input() where the ** below 5 macros are used. */ #ifdef SQLITE_OMIT_DYNAPROMPT # define CONTINUATION_PROMPT continuePrompt # define CONTINUE_PROMPT_RESET # define CONTINUE_PROMPT_AWAITS(p,s) # define CONTINUE_PROMPT_AWAITC(p,c) # define CONTINUE_PAREN_INCR(p,n) # define CONTINUE_PROMPT_PSTATE 0 typedef void *t_NoDynaPrompt; # define SCAN_TRACKER_REFTYPE t_NoDynaPrompt #else # define CONTINUATION_PROMPT dynamicContinuePrompt() # define CONTINUE_PROMPT_RESET \ do {setLexemeOpen(&dynPrompt,0,0); trackParenLevel(&dynPrompt,0);} while(0) # define CONTINUE_PROMPT_AWAITS(p,s) \ if(p && stdin_is_interactive) setLexemeOpen(p, s, 0) # define CONTINUE_PROMPT_AWAITC(p,c) \ if(p && stdin_is_interactive) setLexemeOpen(p, 0, c) # define CONTINUE_PAREN_INCR(p,n) \ if(p && stdin_is_interactive) (trackParenLevel(p,n)) # define CONTINUE_PROMPT_PSTATE (&dynPrompt) typedef struct DynaPrompt *t_DynaPromptRef; # define SCAN_TRACKER_REFTYPE t_DynaPromptRef static struct DynaPrompt { char dynamicPrompt[PROMPT_LEN_MAX]; char acAwait[2]; int inParenLevel; char *zScannerAwaits; } dynPrompt = { {0}, {0}, 0, 0 }; /* Record parenthesis nesting level change, or force level to 0. */ static void trackParenLevel(struct DynaPrompt *p, int ni){ p->inParenLevel += ni; if( ni==0 ) p->inParenLevel = 0; p->zScannerAwaits = 0; } /* Record that a lexeme is opened, or closed with args==0. */ static void setLexemeOpen(struct DynaPrompt *p, char *s, char c){ if( s!=0 || c==0 ){ p->zScannerAwaits = s; p->acAwait[0] = 0; }else{ p->acAwait[0] = c; p->zScannerAwaits = p->acAwait; } } /* Upon demand, derive the continuation prompt to display. */ static char *dynamicContinuePrompt(void){ if( continuePrompt[0]==0 || (dynPrompt.zScannerAwaits==0 && dynPrompt.inParenLevel == 0) ){ return continuePrompt; }else{ if( dynPrompt.zScannerAwaits ){ size_t ncp = strlen(continuePrompt); size_t ndp = strlen(dynPrompt.zScannerAwaits); if( ndp > ncp-3 ) return continuePrompt; shell_strcpy(dynPrompt.dynamicPrompt, dynPrompt.zScannerAwaits); while( ndp<3 ) dynPrompt.dynamicPrompt[ndp++] = ' '; shell_strncpy(dynPrompt.dynamicPrompt+3, continuePrompt+3, PROMPT_LEN_MAX-4); }else{ if( dynPrompt.inParenLevel>9 ){ shell_strncpy(dynPrompt.dynamicPrompt, "(..", 4); }else if( dynPrompt.inParenLevel<0 ){ shell_strncpy(dynPrompt.dynamicPrompt, ")x!", 4); }else{ shell_strncpy(dynPrompt.dynamicPrompt, "(x.", 4); dynPrompt.dynamicPrompt[2] = (char)('0'+dynPrompt.inParenLevel); } shell_strncpy(dynPrompt.dynamicPrompt+3, continuePrompt+3, PROMPT_LEN_MAX-4); } } return dynPrompt.dynamicPrompt; } #endif /* !defined(SQLITE_OMIT_DYNAPROMPT) */ /* Indicate out-of-memory and exit. */ static void shell_out_of_memory(void){ eputz("Error: out of memory\n"); exit(1); } /* Check a pointer to see if it is NULL. If it is NULL, exit with an ** out-of-memory error. */ static void shell_check_oom(const void *p){ if( p==0 ) shell_out_of_memory(); } /* ** Write I/O traces to the following stream. */ #ifdef SQLITE_ENABLE_IOTRACE static FILE *iotrace = 0; #endif /* ** This routine works like printf in that its first argument is a ** format string and subsequent arguments are values to be substituted ** in place of % fields. The result of formatting this string ** is written to iotrace. */ #ifdef SQLITE_ENABLE_IOTRACE static void SQLITE_CDECL iotracePrintf(const char *zFormat, ...){ va_list ap; char *z; if( iotrace==0 ) return; va_start(ap, zFormat); z = sqlite3_vmprintf(zFormat, ap); va_end(ap); sqlite3_fprintf(iotrace, "%s", z); sqlite3_free(z); } #endif /* Lookup table to estimate the number of columns consumed by a Unicode ** character. */ static const struct { unsigned char w; /* Width of the character in columns */ int iFirst; /* First character in a span having this width */ } aUWidth[] = { /* {1, 0x00000}, */ {0, 0x00300}, {1, 0x00370}, {0, 0x00483}, {1, 0x00487}, {0, 0x00488}, {1, 0x0048a}, {0, 0x00591}, {1, 0x005be}, {0, 0x005bf}, {1, 0x005c0}, {0, 0x005c1}, {1, 0x005c3}, {0, 0x005c4}, {1, 0x005c6}, {0, 0x005c7}, {1, 0x005c8}, {0, 0x00600}, {1, 0x00604}, {0, 0x00610}, {1, 0x00616}, {0, 0x0064b}, {1, 0x0065f}, {0, 0x00670}, {1, 0x00671}, {0, 0x006d6}, {1, 0x006e5}, {0, 0x006e7}, {1, 0x006e9}, {0, 0x006ea}, {1, 0x006ee}, {0, 0x0070f}, {1, 0x00710}, {0, 0x00711}, {1, 0x00712}, {0, 0x00730}, {1, 0x0074b}, {0, 0x007a6}, {1, 0x007b1}, {0, 0x007eb}, {1, 0x007f4}, {0, 0x00901}, {1, 0x00903}, {0, 0x0093c}, {1, 0x0093d}, {0, 0x00941}, {1, 0x00949}, {0, 0x0094d}, {1, 0x0094e}, {0, 0x00951}, {1, 0x00955}, {0, 0x00962}, {1, 0x00964}, {0, 0x00981}, {1, 0x00982}, {0, 0x009bc}, {1, 0x009bd}, {0, 0x009c1}, {1, 0x009c5}, {0, 0x009cd}, {1, 0x009ce}, {0, 0x009e2}, {1, 0x009e4}, {0, 0x00a01}, {1, 0x00a03}, {0, 0x00a3c}, {1, 0x00a3d}, {0, 0x00a41}, {1, 0x00a43}, {0, 0x00a47}, {1, 0x00a49}, {0, 0x00a4b}, {1, 0x00a4e}, {0, 0x00a70}, {1, 0x00a72}, {0, 0x00a81}, {1, 0x00a83}, {0, 0x00abc}, {1, 0x00abd}, {0, 0x00ac1}, {1, 0x00ac6}, {0, 0x00ac7}, {1, 0x00ac9}, {0, 0x00acd}, {1, 0x00ace}, {0, 0x00ae2}, {1, 0x00ae4}, {0, 0x00b01}, {1, 0x00b02}, {0, 0x00b3c}, {1, 0x00b3d}, {0, 0x00b3f}, {1, 0x00b40}, {0, 0x00b41}, {1, 0x00b44}, {0, 0x00b4d}, {1, 0x00b4e}, {0, 0x00b56}, {1, 0x00b57}, {0, 0x00b82}, {1, 0x00b83}, {0, 0x00bc0}, {1, 0x00bc1}, {0, 0x00bcd}, {1, 0x00bce}, {0, 0x00c3e}, {1, 0x00c41}, {0, 0x00c46}, {1, 0x00c49}, {0, 0x00c4a}, {1, 0x00c4e}, {0, 0x00c55}, {1, 0x00c57}, {0, 0x00cbc}, {1, 0x00cbd}, {0, 0x00cbf}, {1, 0x00cc0}, {0, 0x00cc6}, {1, 0x00cc7}, {0, 0x00ccc}, {1, 0x00cce}, {0, 0x00ce2}, {1, 0x00ce4}, {0, 0x00d41}, {1, 0x00d44}, {0, 0x00d4d}, {1, 0x00d4e}, {0, 0x00dca}, {1, 0x00dcb}, {0, 0x00dd2}, {1, 0x00dd5}, {0, 0x00dd6}, {1, 0x00dd7}, {0, 0x00e31}, {1, 0x00e32}, {0, 0x00e34}, {1, 0x00e3b}, {0, 0x00e47}, {1, 0x00e4f}, {0, 0x00eb1}, {1, 0x00eb2}, {0, 0x00eb4}, {1, 0x00eba}, {0, 0x00ebb}, {1, 0x00ebd}, {0, 0x00ec8}, {1, 0x00ece}, {0, 0x00f18}, {1, 0x00f1a}, {0, 0x00f35}, {1, 0x00f36}, {0, 0x00f37}, {1, 0x00f38}, {0, 0x00f39}, {1, 0x00f3a}, {0, 0x00f71}, {1, 0x00f7f}, {0, 0x00f80}, {1, 0x00f85}, {0, 0x00f86}, {1, 0x00f88}, {0, 0x00f90}, {1, 0x00f98}, {0, 0x00f99}, {1, 0x00fbd}, {0, 0x00fc6}, {1, 0x00fc7}, {0, 0x0102d}, {1, 0x01031}, {0, 0x01032}, {1, 0x01033}, {0, 0x01036}, {1, 0x01038}, {0, 0x01039}, {1, 0x0103a}, {0, 0x01058}, {1, 0x0105a}, {2, 0x01100}, {0, 0x01160}, {1, 0x01200}, {0, 0x0135f}, {1, 0x01360}, {0, 0x01712}, {1, 0x01715}, {0, 0x01732}, {1, 0x01735}, {0, 0x01752}, {1, 0x01754}, {0, 0x01772}, {1, 0x01774}, {0, 0x017b4}, {1, 0x017b6}, {0, 0x017b7}, {1, 0x017be}, {0, 0x017c6}, {1, 0x017c7}, {0, 0x017c9}, {1, 0x017d4}, {0, 0x017dd}, {1, 0x017de}, {0, 0x0180b}, {1, 0x0180e}, {0, 0x018a9}, {1, 0x018aa}, {0, 0x01920}, {1, 0x01923}, {0, 0x01927}, {1, 0x01929}, {0, 0x01932}, {1, 0x01933}, {0, 0x01939}, {1, 0x0193c}, {0, 0x01a17}, {1, 0x01a19}, {0, 0x01b00}, {1, 0x01b04}, {0, 0x01b34}, {1, 0x01b35}, {0, 0x01b36}, {1, 0x01b3b}, {0, 0x01b3c}, {1, 0x01b3d}, {0, 0x01b42}, {1, 0x01b43}, {0, 0x01b6b}, {1, 0x01b74}, {0, 0x01dc0}, {1, 0x01dcb}, {0, 0x01dfe}, {1, 0x01e00}, {0, 0x0200b}, {1, 0x02010}, {0, 0x0202a}, {1, 0x0202f}, {0, 0x02060}, {1, 0x02064}, {0, 0x0206a}, {1, 0x02070}, {0, 0x020d0}, {1, 0x020f0}, {2, 0x02329}, {1, 0x0232b}, {2, 0x02e80}, {0, 0x0302a}, {2, 0x03030}, {1, 0x0303f}, {2, 0x03040}, {0, 0x03099}, {2, 0x0309b}, {1, 0x0a4d0}, {0, 0x0a806}, {1, 0x0a807}, {0, 0x0a80b}, {1, 0x0a80c}, {0, 0x0a825}, {1, 0x0a827}, {2, 0x0ac00}, {1, 0x0d7a4}, {2, 0x0f900}, {1, 0x0fb00}, {0, 0x0fb1e}, {1, 0x0fb1f}, {0, 0x0fe00}, {2, 0x0fe10}, {1, 0x0fe1a}, {0, 0x0fe20}, {1, 0x0fe24}, {2, 0x0fe30}, {1, 0x0fe70}, {0, 0x0feff}, {2, 0x0ff00}, {1, 0x0ff61}, {2, 0x0ffe0}, {1, 0x0ffe7}, {0, 0x0fff9}, {1, 0x0fffc}, {0, 0x10a01}, {1, 0x10a04}, {0, 0x10a05}, {1, 0x10a07}, {0, 0x10a0c}, {1, 0x10a10}, {0, 0x10a38}, {1, 0x10a3b}, {0, 0x10a3f}, {1, 0x10a40}, {0, 0x1d167}, {1, 0x1d16a}, {0, 0x1d173}, {1, 0x1d183}, {0, 0x1d185}, {1, 0x1d18c}, {0, 0x1d1aa}, {1, 0x1d1ae}, {0, 0x1d242}, {1, 0x1d245}, {2, 0x20000}, {1, 0x2fffe}, {2, 0x30000}, {1, 0x3fffe}, {0, 0xe0001}, {1, 0xe0002}, {0, 0xe0020}, {1, 0xe0080}, {0, 0xe0100}, {1, 0xe01f0} }; /* ** Return an estimate of the width, in columns, for the single Unicode ** character c. For normal characters, the answer is always 1. But the ** estimate might be 0 or 2 for zero-width and double-width characters. ** ** Different display devices display unicode using different widths. So ** it is impossible to know that true display width with 100% accuracy. ** Inaccuracies in the width estimates might cause columns to be misaligned. ** Unfortunately, there is nothing we can do about that. */ int cli_wcwidth(int c){ int iFirst, iLast; /* Fast path for common characters */ if( c<=0x300 ) return 1; /* The general case */ iFirst = 0; iLast = sizeof(aUWidth)/sizeof(aUWidth[0]) - 1; while( iFirst<iLast-1 ){ int iMid = (iFirst+iLast)/2; int cMid = aUWidth[iMid].iFirst; if( cMid < c ){ iFirst = iMid; }else if( cMid > c ){ iLast = iMid - 1; }else{ return aUWidth[iMid].w; } } if( aUWidth[iLast].iFirst > c ) return aUWidth[iFirst].w; return aUWidth[iLast].w; } /* ** Compute the value and length of a multi-byte UTF-8 character that ** begins at z[0]. Return the length. Write the Unicode value into *pU. ** ** This routine only works for *multi-byte* UTF-8 characters. */ static int decodeUtf8(const unsigned char *z, int *pU){ if( (z[0] & 0xe0)==0xc0 && (z[1] & 0xc0)==0x80 ){ *pU = ((z[0] & 0x1f)<<6) | (z[1] & 0x3f); return 2; } if( (z[0] & 0xf0)==0xe0 && (z[1] & 0xc0)==0x80 && (z[2] & 0xc0)==0x80 ){ *pU = ((z[0] & 0x0f)<<12) | ((z[1] & 0x3f)<<6) | (z[2] & 0x3f); return 3; } if( (z[0] & 0xf8)==0xf0 && (z[1] & 0xc0)==0x80 && (z[2] & 0xc0)==0x80 && (z[3] & 0xc0)==0x80 ){ *pU = ((z[0] & 0x0f)<<18) | ((z[1] & 0x3f)<<12) | ((z[2] & 0x3f))<<6 | (z[3] & 0x3f); return 4; } *pU = 0; return 1; } #if 0 /* NOT USED */ /* ** Return the width, in display columns, of a UTF-8 string. ** ** Each normal character counts as 1. Zero-width characters count ** as zero, and double-width characters count as 2. */ int cli_wcswidth(const char *z){ const unsigned char *a = (const unsigned char*)z; int n = 0; int i = 0; unsigned char c; while( (c = a[i])!=0 ){ if( c>=0xc0 ){ int u; int len = decodeUtf8(&a[i], &u); i += len; n += cli_wcwidth(u); }else if( c>=' ' ){ n++; i++; }else{ i++; } } return n; } #endif /* ** Check to see if z[] is a valid VT100 escape. If it is, then ** return the number of bytes in the escape sequence. Return 0 if ** z[] is not a VT100 escape. ** ** This routine assumes that z[0] is \033 (ESC). */ static int isVt100(const unsigned char *z){ int i; if( z[1]!='[' ) return 0; i = 2; while( z[i]>=0x30 && z[i]<=0x3f ){ i++; } while( z[i]>=0x20 && z[i]<=0x2f ){ i++; } if( z[i]<0x40 || z[i]>0x7e ) return 0; return i+1; } /* ** Output string zUtf to stdout as w characters. If w is negative, ** then right-justify the text. W is the width in UTF-8 characters, not ** in bytes. This is different from the %*.*s specification in printf ** since with %*.*s the width is measured in bytes, not characters. ** ** Take into account zero-width and double-width Unicode characters. ** In other words, a zero-width character does not count toward the ** the w limit. A double-width character counts as two. ** ** w should normally be a small number. A couple hundred at most. This ** routine caps w at 100 million to avoid integer overflow issues. */ static void utf8_width_print(FILE *out, int w, const char *zUtf){ const unsigned char *a = (const unsigned char*)zUtf; static const int mxW = 10000000; unsigned char c; int i = 0; int n = 0; int k; int aw; if( w<-mxW ){ w = -mxW; }else if( w>mxW ){ w= mxW; } aw = w<0 ? -w : w; if( zUtf==0 ) zUtf = ""; while( (c = a[i])!=0 ){ if( (c&0xc0)==0xc0 ){ int u; int len = decodeUtf8(a+i, &u); int x = cli_wcwidth(u); if( x+n>aw ){ break; } i += len; n += x; }else if( c==0x1b && (k = isVt100(&a[i]))>0 ){ i += k; }else if( n>=aw ){ break; }else{ n++; i++; } } if( n>=aw ){ sqlite3_fprintf(out, "%.*s", i, zUtf); }else if( w<0 ){ sqlite3_fprintf(out, "%*s%s", aw-n, "", zUtf); }else{ sqlite3_fprintf(out, "%s%*s", zUtf, aw-n, ""); } } /* ** Determines if a string is a number of not. */ static int isNumber(const char *z, int *realnum){ if( *z=='-' || *z=='+' ) z++; if( !IsDigit(*z) ){ return 0; } z++; if( realnum ) *realnum = 0; while( IsDigit(*z) ){ z++; } if( *z=='.' ){ z++; if( !IsDigit(*z) ) return 0; while( IsDigit(*z) ){ z++; } if( realnum ) *realnum = 1; } if( *z=='e' || *z=='E' ){ z++; if( *z=='+' || *z=='-' ) z++; if( !IsDigit(*z) ) return 0; while( IsDigit(*z) ){ z++; } if( realnum ) *realnum = 1; } return *z==0; } /* ** Compute a string length that is limited to what can be stored in ** lower 30 bits of a 32-bit signed integer. */ static int strlen30(const char *z){ const char *z2 = z; while( *z2 ){ z2++; } return 0x3fffffff & (int)(z2 - z); } /* ** Return the length of a string in characters. Multibyte UTF8 characters ** count as a single character for single-width characters, or as two ** characters for double-width characters. */ static int strlenChar(const char *z){ int n = 0; while( *z ){ if( (0x80&z[0])==0 ){ n++; z++; }else{ int u = 0; int len = decodeUtf8((const u8*)z, &u); z += len; n += cli_wcwidth(u); } } return n; } /* ** Return open FILE * if zFile exists, can be opened for read ** and is an ordinary file or a character stream source. ** Otherwise return 0. */ static FILE * openChrSource(const char *zFile){ #if defined(_WIN32) || defined(WIN32) struct __stat64 x = {0}; # define STAT_CHR_SRC(mode) ((mode & (_S_IFCHR|_S_IFIFO|_S_IFREG))!=0) /* On Windows, open first, then check the stream nature. This order ** is necessary because _stat() and sibs, when checking a named pipe, ** effectively break the pipe as its supplier sees it. */ FILE *rv = sqlite3_fopen(zFile, "rb"); if( rv==0 ) return 0; if( _fstat64(_fileno(rv), &x) != 0 || !STAT_CHR_SRC(x.st_mode)){ fclose(rv); rv = 0; } return rv; #else struct stat x = {0}; int rc = stat(zFile, &x); # define STAT_CHR_SRC(mode) (S_ISREG(mode)||S_ISFIFO(mode)||S_ISCHR(mode)) if( rc!=0 ) return 0; if( STAT_CHR_SRC(x.st_mode) ){ return sqlite3_fopen(zFile, "rb"); }else{ return 0; } #endif #undef STAT_CHR_SRC } /* ** This routine reads a line of text from FILE in, stores ** the text in memory obtained from malloc() and returns a pointer ** to the text. NULL is returned at end of file, or if malloc() ** fails, or if the length of the line is longer than about a gigabyte. ** ** If zLine is not NULL then it is a malloced buffer returned from ** a previous call to this routine that may be reused. */ static char *local_getline(char *zLine, FILE *in){ int nLine = zLine==0 ? 0 : 100; int n = 0; while( 1 ){ if( n+100>nLine ){ if( nLine>=1073741773 ){ free(zLine); return 0; } nLine = nLine*2 + 100; zLine = realloc(zLine, nLine); shell_check_oom(zLine); } if( sqlite3_fgets(&zLine[n], nLine - n, in)==0 ){ if( n==0 ){ free(zLine); return 0; } zLine[n] = 0; break; } while( zLine[n] ) n++; if( n>0 && zLine[n-1]=='\n' ){ n--; if( n>0 && zLine[n-1]=='\r' ) n--; zLine[n] = 0; break; } } return zLine; } /* ** Retrieve a single line of input text. ** ** If in==0 then read from standard input and prompt before each line. ** If isContinuation is true, then a continuation prompt is appropriate. ** If isContinuation is zero, then the main prompt should be used. ** ** If zPrior is not NULL then it is a buffer from a prior call to this ** routine that can be reused. ** ** The result is stored in space obtained from malloc() and must either ** be freed by the caller or else passed back into this routine via the ** zPrior argument for reuse. */ #ifndef SQLITE_SHELL_FIDDLE static char *one_input_line(FILE *in, char *zPrior, int isContinuation){ char *zPrompt; char *zResult; if( in!=0 ){ zResult = local_getline(zPrior, in); }else{ zPrompt = isContinuation ? CONTINUATION_PROMPT : mainPrompt; #if SHELL_USE_LOCAL_GETLINE sputz(stdout, zPrompt); fflush(stdout); do{ zResult = local_getline(zPrior, stdin); zPrior = 0; /* ^C trap creates a false EOF, so let "interrupt" thread catch up. */ if( zResult==0 ) sqlite3_sleep(50); }while( zResult==0 && seenInterrupt>0 ); #else free(zPrior); zResult = shell_readline(zPrompt); while( zResult==0 ){ /* ^C trap creates a false EOF, so let "interrupt" thread catch up. */ sqlite3_sleep(50); if( seenInterrupt==0 ) break; zResult = shell_readline(""); } if( zResult && *zResult ) shell_add_history(zResult); #endif } return zResult; } #endif /* !SQLITE_SHELL_FIDDLE */ /* ** Return the value of a hexadecimal digit. Return -1 if the input ** is not a hex digit. */ static int hexDigitValue(char c){ if( c>='0' && c<='9' ) return c - '0'; if( c>='a' && c<='f' ) return c - 'a' + 10; if( c>='A' && c<='F' ) return c - 'A' + 10; return -1; } /* ** Interpret zArg as an integer value, possibly with suffixes. ** ** If the value specified by zArg is outside the range of values that ** can be represented using a 64-bit twos-complement integer, then return ** the nearest representable value. */ static sqlite3_int64 integerValue(const char *zArg){ sqlite3_uint64 v = 0; static const struct { char *zSuffix; unsigned int iMult; } aMult[] = { { "KiB", 1024 }, { "MiB", 1024*1024 }, { "GiB", 1024*1024*1024 }, { "KB", 1000 }, { "MB", 1000000 }, { "GB", 1000000000 }, { "K", 1000 }, { "M", 1000000 }, { "G", 1000000000 }, }; int i; int isNeg = 0; if( zArg[0]=='-' ){ isNeg = 1; zArg++; }else if( zArg[0]=='+' ){ zArg++; } if( zArg[0]=='0' && zArg[1]=='x' ){ int x; zArg += 2; while( (x = hexDigitValue(zArg[0]))>=0 ){ if( v > 0x0fffffffffffffffULL ) goto integer_overflow; v = (v<<4) + x; zArg++; } }else{ while( IsDigit(zArg[0]) ){ if( v>=922337203685477580LL ){ if( v>922337203685477580LL || zArg[0]>='8' ) goto integer_overflow; } v = v*10 + (zArg[0] - '0'); zArg++; } } for(i=0; i<ArraySize(aMult); i++){ if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){ if( 0x7fffffffffffffffULL/aMult[i].iMult < v ) goto integer_overflow; v *= aMult[i].iMult; break; } } if( isNeg && v>0x7fffffffffffffffULL ) goto integer_overflow; return isNeg? -(sqlite3_int64)v : (sqlite3_int64)v; integer_overflow: return isNeg ? (i64)0x8000000000000000LL : 0x7fffffffffffffffLL; } /* ** A variable length string to which one can append text. */ typedef struct ShellText ShellText; struct ShellText { char *zTxt; /* The text */ i64 n; /* Number of bytes of zTxt[] actually used */ i64 nAlloc; /* Number of bytes allocated for zTxt[] */ }; /* ** Initialize and destroy a ShellText object */ static void initText(ShellText *p){ memset(p, 0, sizeof(*p)); } static void freeText(ShellText *p){ sqlite3_free(p->zTxt); initText(p); } /* zIn is either a pointer to a NULL-terminated string in memory obtained ** from malloc(), or a NULL pointer. The string pointed to by zAppend is ** added to zIn, and the result returned in memory obtained from malloc(). ** zIn, if it was not NULL, is freed. ** ** If the third argument, quote, is not '\0', then it is used as a ** quote character for zAppend. */ static void appendText(ShellText *p, const char *zAppend, char quote){ i64 len; i64 i; i64 nAppend = strlen30(zAppend); len = nAppend+p->n+1; if( quote ){ len += 2; for(i=0; i<nAppend; i++){ if( zAppend[i]==quote ) len++; } } if( p->zTxt==0 || p->n+len>=p->nAlloc ){ p->nAlloc = p->nAlloc*2 + len + 20; p->zTxt = sqlite3_realloc64(p->zTxt, p->nAlloc); shell_check_oom(p->zTxt); } if( quote ){ char *zCsr = p->zTxt+p->n; *zCsr++ = quote; for(i=0; i<nAppend; i++){ *zCsr++ = zAppend[i]; if( zAppend[i]==quote ) *zCsr++ = quote; } *zCsr++ = quote; p->n = (i64)(zCsr - p->zTxt); *zCsr = '\0'; }else{ memcpy(p->zTxt+p->n, zAppend, nAppend); p->n += nAppend; p->zTxt[p->n] = '\0'; } } /* ** Attempt to determine if identifier zName needs to be quoted, either ** because it contains non-alphanumeric characters, or because it is an ** SQLite keyword. Be conservative in this estimate: When in doubt assume ** that quoting is required. ** ** Return '"' if quoting is required. Return 0 if no quoting is required. */ static char quoteChar(const char *zName){ int i; if( zName==0 ) return '"'; if( !IsAlpha(zName[0]) && zName[0]!='_' ) return '"'; for(i=0; zName[i]; i++){ if( !IsAlnum(zName[i]) && zName[i]!='_' ) return '"'; } return sqlite3_keyword_check(zName, i) ? '"' : 0; } /* ** Construct a fake object name and column list to describe the structure ** of the view, virtual table, or table valued function zSchema.zName. ** ** The returned string comes from sqlite3_mprintf() and should be freed ** by the caller using sqlite3_free(). */ static char *shellFakeSchema( sqlite3 *db, /* The database connection containing the vtab */ const char *zSchema, /* Schema of the database holding the vtab */ const char *zName /* The name of the virtual table */ ){ sqlite3_stmt *pStmt = 0; char *zSql; ShellText s; char cQuote; char *zDiv = "("; int nRow = 0; zSql = sqlite3_mprintf("PRAGMA \"%w\".table_info=%Q;", zSchema ? zSchema : "main", zName); shell_check_oom(zSql); sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); initText(&s); if( zSchema ){ cQuote = quoteChar(zSchema); if( cQuote && sqlite3_stricmp(zSchema,"temp")==0 ) cQuote = 0; appendText(&s, zSchema, cQuote); appendText(&s, ".", 0); } cQuote = quoteChar(zName); appendText(&s, zName, cQuote); while( sqlite3_step(pStmt)==SQLITE_ROW ){ const char *zCol = (const char*)sqlite3_column_text(pStmt, 1); nRow++; appendText(&s, zDiv, 0); zDiv = ","; if( zCol==0 ) zCol = ""; cQuote = quoteChar(zCol); appendText(&s, zCol, cQuote); } appendText(&s, ")", 0); sqlite3_finalize(pStmt); if( nRow==0 ){ freeText(&s); s.zTxt = 0; } return s.zTxt; } /* ** SQL function: strtod(X) ** ** Use the C-library strtod() function to convert string X into a double. ** Used for comparing the accuracy of SQLite's internal text-to-float conversion ** routines against the C-library. */ static void shellStrtod( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ char *z = (char*)sqlite3_value_text(apVal[0]); UNUSED_PARAMETER(nVal); if( z==0 ) return; sqlite3_result_double(pCtx, strtod(z,0)); } /* ** SQL function: dtostr(X) ** ** Use the C-library printf() function to convert real value X into a string. ** Used for comparing the accuracy of SQLite's internal float-to-text conversion ** routines against the C-library. */ static void shellDtostr( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ double r = sqlite3_value_double(apVal[0]); int n = nVal>=2 ? sqlite3_value_int(apVal[1]) : 26; char z[400]; if( n<1 ) n = 1; if( n>350 ) n = 350; sqlite3_snprintf(sizeof(z), z, "%#+.*e", n, r); sqlite3_result_text(pCtx, z, -1, SQLITE_TRANSIENT); } /* ** SQL function: shell_add_schema(S,X) ** ** Add the schema name X to the CREATE statement in S and return the result. ** Examples: ** ** CREATE TABLE t1(x) -> CREATE TABLE xyz.t1(x); ** ** Also works on ** ** CREATE INDEX ** CREATE UNIQUE INDEX ** CREATE VIEW ** CREATE TRIGGER ** CREATE VIRTUAL TABLE ** ** This UDF is used by the .schema command to insert the schema name of ** attached databases into the middle of the sqlite_schema.sql field. */ static void shellAddSchemaName( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ static const char *aPrefix[] = { "TABLE", "INDEX", "UNIQUE INDEX", "VIEW", "TRIGGER", "VIRTUAL TABLE" }; int i = 0; const char *zIn = (const char*)sqlite3_value_text(apVal[0]); const char *zSchema = (const char*)sqlite3_value_text(apVal[1]); const char *zName = (const char*)sqlite3_value_text(apVal[2]); sqlite3 *db = sqlite3_context_db_handle(pCtx); UNUSED_PARAMETER(nVal); if( zIn!=0 && cli_strncmp(zIn, "CREATE ", 7)==0 ){ for(i=0; i<ArraySize(aPrefix); i++){ int n = strlen30(aPrefix[i]); if( cli_strncmp(zIn+7, aPrefix[i], n)==0 && zIn[n+7]==' ' ){ char *z = 0; char *zFake = 0; if( zSchema ){ char cQuote = quoteChar(zSchema); if( cQuote && sqlite3_stricmp(zSchema,"temp")!=0 ){ z = sqlite3_mprintf("%.*s \"%w\".%s", n+7, zIn, zSchema, zIn+n+8); }else{ z = sqlite3_mprintf("%.*s %s.%s", n+7, zIn, zSchema, zIn+n+8); } } if( zName && aPrefix[i][0]=='V' && (zFake = shellFakeSchema(db, zSchema, zName))!=0 ){ if( z==0 ){ z = sqlite3_mprintf("%s\n/* %s */", zIn, zFake); }else{ z = sqlite3_mprintf("%z\n/* %s */", z, zFake); } sqlite3_free(zFake); } if( z ){ sqlite3_result_text(pCtx, z, -1, sqlite3_free); return; } } } } sqlite3_result_value(pCtx, apVal[0]); } /* ** The source code for several run-time loadable extensions is inserted ** below by the ../tool/mkshellc.tcl script. Before processing that included ** code, we need to override some macros to make the included program code ** work here in the middle of this regular program. */ #define SQLITE_EXTENSION_INIT1 #define SQLITE_EXTENSION_INIT2(X) (void)(X) INCLUDE ../ext/misc/windirent.h INCLUDE ../ext/misc/memtrace.c INCLUDE ../ext/misc/pcachetrace.c INCLUDE ../ext/misc/shathree.c INCLUDE ../ext/misc/sha1.c INCLUDE ../ext/misc/uint.c INCLUDE ../ext/misc/decimal.c #undef sqlite3_base_init #define sqlite3_base_init sqlite3_base64_init INCLUDE ../ext/misc/base64.c #undef sqlite3_base_init #define sqlite3_base_init sqlite3_base85_init #define OMIT_BASE85_CHECKER INCLUDE ../ext/misc/base85.c INCLUDE ../ext/misc/ieee754.c INCLUDE ../ext/misc/series.c INCLUDE ../ext/misc/regexp.c #ifndef SQLITE_SHELL_FIDDLE INCLUDE ../ext/misc/fileio.c INCLUDE ../ext/misc/completion.c INCLUDE ../ext/misc/appendvfs.c #endif #ifdef SQLITE_HAVE_ZLIB INCLUDE ../ext/misc/zipfile.c INCLUDE ../ext/misc/sqlar.c #endif #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) INCLUDE ../ext/expert/sqlite3expert.h INCLUDE ../ext/expert/sqlite3expert.c #endif INCLUDE ../ext/intck/sqlite3intck.h INCLUDE ../ext/intck/sqlite3intck.c INCLUDE ../ext/misc/stmtrand.c INCLUDE ../ext/misc/vfstrace.c #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_ENABLE_DBPAGE_VTAB) #define SQLITE_SHELL_HAVE_RECOVER 1 #else #define SQLITE_SHELL_HAVE_RECOVER 0 #endif #if SQLITE_SHELL_HAVE_RECOVER INCLUDE ../ext/recover/sqlite3recover.h # ifndef SQLITE_HAVE_SQLITE3R INCLUDE ../ext/recover/dbdata.c INCLUDE ../ext/recover/sqlite3recover.c # endif /* SQLITE_HAVE_SQLITE3R */ #endif #ifdef SQLITE_SHELL_EXTSRC # include SHELL_STRINGIFY(SQLITE_SHELL_EXTSRC) #endif #if defined(SQLITE_ENABLE_SESSION) /* ** State information for a single open session */ typedef struct OpenSession OpenSession; struct OpenSession { char *zName; /* Symbolic name for this session */ int nFilter; /* Number of xFilter rejection GLOB patterns */ char **azFilter; /* Array of xFilter rejection GLOB patterns */ sqlite3_session *p; /* The open session */ }; #endif #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) typedef struct ExpertInfo ExpertInfo; struct ExpertInfo { sqlite3expert *pExpert; int bVerbose; }; #endif /* A single line in the EQP output */ typedef struct EQPGraphRow EQPGraphRow; struct EQPGraphRow { int iEqpId; /* ID for this row */ int iParentId; /* ID of the parent row */ EQPGraphRow *pNext; /* Next row in sequence */ char zText[1]; /* Text to display for this row */ }; /* All EQP output is collected into an instance of the following */ typedef struct EQPGraph EQPGraph; struct EQPGraph { EQPGraphRow *pRow; /* Linked list of all rows of the EQP output */ EQPGraphRow *pLast; /* Last element of the pRow list */ char zPrefix[100]; /* Graph prefix */ }; /* Parameters affecting columnar mode result display (defaulting together) */ typedef struct ColModeOpts { int iWrap; /* In columnar modes, wrap lines reaching this limit */ u8 bQuote; /* Quote results for .mode box and table */ u8 bWordWrap; /* In columnar modes, wrap at word boundaries */ } ColModeOpts; #define ColModeOpts_default { 60, 0, 0 } #define ColModeOpts_default_qbox { 60, 1, 0 } /* ** State information about the database connection is contained in an ** instance of the following structure. */ typedef struct ShellState ShellState; struct ShellState { sqlite3 *db; /* The database */ u8 autoExplain; /* Automatically turn on .explain mode */ u8 autoEQP; /* Run EXPLAIN QUERY PLAN prior to each SQL stmt */ u8 autoEQPtest; /* autoEQP is in test mode */ u8 autoEQPtrace; /* autoEQP is in trace mode */ u8 scanstatsOn; /* True to display scan stats before each finalize */ u8 openMode; /* SHELL_OPEN_NORMAL, _APPENDVFS, or _ZIPFILE */ u8 doXdgOpen; /* Invoke start/open/xdg-open in output_reset() */ u8 nEqpLevel; /* Depth of the EQP output graph */ u8 eTraceType; /* SHELL_TRACE_* value for type of trace */ u8 bSafeMode; /* True to prohibit unsafe operations */ u8 bSafeModePersist; /* The long-term value of bSafeMode */ u8 eRestoreState; /* See comments above doAutoDetectRestore() */ u8 crlfMode; /* Do NL-to-CRLF translations when enabled (maybe) */ u8 eEscMode; /* Escape mode for text output */ ColModeOpts cmOpts; /* Option values affecting columnar mode output */ unsigned statsOn; /* True to display memory stats before each finalize */ unsigned mEqpLines; /* Mask of vertical lines in the EQP output graph */ int inputNesting; /* Track nesting level of .read and other redirects */ int outCount; /* Revert to stdout when reaching zero */ int cnt; /* Number of records displayed so far */ i64 lineno; /* Line number of last line read from in */ int openFlags; /* Additional flags to open. (SQLITE_OPEN_NOFOLLOW) */ FILE *in; /* Read commands from this stream */ FILE *out; /* Write results here */ FILE *traceOut; /* Output for sqlite3_trace() */ int nErr; /* Number of errors seen */ int mode; /* An output mode setting */ int modePrior; /* Saved mode */ int cMode; /* temporary output mode for the current query */ int normalMode; /* Output mode before ".explain on" */ int writableSchema; /* True if PRAGMA writable_schema=ON */ int showHeader; /* True to show column names in List or Column mode */ int nCheck; /* Number of ".check" commands run */ unsigned nProgress; /* Number of progress callbacks encountered */ unsigned mxProgress; /* Maximum progress callbacks before failing */ unsigned flgProgress; /* Flags for the progress callback */ unsigned shellFlgs; /* Various flags */ unsigned priorShFlgs; /* Saved copy of flags */ sqlite3_int64 szMax; /* --maxsize argument to .open */ char *zDestTable; /* Name of destination table when MODE_Insert */ char *zTempFile; /* Temporary file that might need deleting */ char zTestcase[30]; /* Name of current test case */ char colSeparator[20]; /* Column separator character for several modes */ char rowSeparator[20]; /* Row separator character for MODE_Ascii */ char colSepPrior[20]; /* Saved column separator */ char rowSepPrior[20]; /* Saved row separator */ int *colWidth; /* Requested width of each column in columnar modes */ int *actualWidth; /* Actual width of each column */ int nWidth; /* Number of slots in colWidth[] and actualWidth[] */ char nullValue[20]; /* The text to print when a NULL comes back from ** the database */ char outfile[FILENAME_MAX]; /* Filename for *out */ sqlite3_stmt *pStmt; /* Current statement if any. */ FILE *pLog; /* Write log output here */ struct AuxDb { /* Storage space for auxiliary database connections */ sqlite3 *db; /* Connection pointer */ const char *zDbFilename; /* Filename used to open the connection */ char *zFreeOnClose; /* Free this memory allocation on close */ #if defined(SQLITE_ENABLE_SESSION) int nSession; /* Number of active sessions */ OpenSession aSession[4]; /* Array of sessions. [0] is in focus. */ #endif } aAuxDb[5], /* Array of all database connections */ *pAuxDb; /* Currently active database connection */ int *aiIndent; /* Array of indents used in MODE_Explain */ int nIndent; /* Size of array aiIndent[] */ int iIndent; /* Index of current op in aiIndent[] */ char *zNonce; /* Nonce for temporary safe-mode escapes */ EQPGraph sGraph; /* Information for the graphical EXPLAIN QUERY PLAN */ #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) ExpertInfo expert; /* Valid if previous command was ".expert OPT..." */ #endif #ifdef SQLITE_SHELL_FIDDLE struct { const char * zInput; /* Input string from wasm/JS proxy */ const char * zPos; /* Cursor pos into zInput */ const char * zDefaultDbName; /* Default name for db file */ } wasm; #endif }; #ifdef SQLITE_SHELL_FIDDLE static ShellState shellState; #endif /* Allowed values for ShellState.autoEQP */ #define AUTOEQP_off 0 /* Automatic EXPLAIN QUERY PLAN is off */ #define AUTOEQP_on 1 /* Automatic EQP is on */ #define AUTOEQP_trigger 2 /* On and also show plans for triggers */ #define AUTOEQP_full 3 /* Show full EXPLAIN */ /* Allowed values for ShellState.openMode */ #define SHELL_OPEN_UNSPEC 0 /* No open-mode specified */ #define SHELL_OPEN_NORMAL 1 /* Normal database file */ #define SHELL_OPEN_APPENDVFS 2 /* Use appendvfs */ #define SHELL_OPEN_ZIPFILE 3 /* Use the zipfile virtual table */ #define SHELL_OPEN_DESERIALIZE 4 /* Open using sqlite3_deserialize() */ #define SHELL_OPEN_HEXDB 5 /* Use "dbtotxt" output as data source */ /* Allowed values for ShellState.eTraceType */ #define SHELL_TRACE_PLAIN 0 /* Show input SQL text */ #define SHELL_TRACE_EXPANDED 1 /* Show expanded SQL text */ #define SHELL_TRACE_NORMALIZED 2 /* Show normalized SQL text */ /* Bits in the ShellState.flgProgress variable */ #define SHELL_PROGRESS_QUIET 0x01 /* Omit announcing every progress callback */ #define SHELL_PROGRESS_RESET 0x02 /* Reset the count when the progress ** callback limit is reached, and for each ** top-level SQL statement */ #define SHELL_PROGRESS_ONCE 0x04 /* Cancel the --limit after firing once */ /* Allowed values for ShellState.eEscMode. The default value should ** be 0, so to change the default, reorder the names. */ #define SHELL_ESC_ASCII 0 /* Substitute ^Y for X where Y=X+0x40 */ #define SHELL_ESC_SYMBOL 1 /* Substitute U+2400 graphics */ #define SHELL_ESC_OFF 2 /* Send characters verbatim */ static const char *shell_EscModeNames[] = { "ascii", "symbol", "off" }; /* ** These are the allowed shellFlgs values */ #define SHFLG_Pagecache 0x00000001 /* The --pagecache option is used */ #define SHFLG_Lookaside 0x00000002 /* Lookaside memory is used */ #define SHFLG_Backslash 0x00000004 /* The --backslash option is used */ #define SHFLG_PreserveRowid 0x00000008 /* .dump preserves rowid values */ #define SHFLG_Newlines 0x00000010 /* .dump --newline flag */ #define SHFLG_CountChanges 0x00000020 /* .changes setting */ #define SHFLG_Echo 0x00000040 /* .echo on/off, or --echo setting */ #define SHFLG_HeaderSet 0x00000080 /* showHeader has been specified */ #define SHFLG_DumpDataOnly 0x00000100 /* .dump show data only */ #define SHFLG_DumpNoSys 0x00000200 /* .dump omits system tables */ #define SHFLG_TestingMode 0x00000400 /* allow unsafe testing features */ /* ** Macros for testing and setting shellFlgs */ #define ShellHasFlag(P,X) (((P)->shellFlgs & (X))!=0) #define ShellSetFlag(P,X) ((P)->shellFlgs|=(X)) #define ShellClearFlag(P,X) ((P)->shellFlgs&=(~(X))) /* ** These are the allowed modes. */ #define MODE_Line 0 /* One column per line. Blank line between records */ #define MODE_Column 1 /* One record per line in neat columns */ #define MODE_List 2 /* One record per line with a separator */ #define MODE_Semi 3 /* Same as MODE_List but append ";" to each line */ #define MODE_Html 4 /* Generate an XHTML table */ #define MODE_Insert 5 /* Generate SQL "insert" statements */ #define MODE_Quote 6 /* Quote values as for SQL */ #define MODE_Tcl 7 /* Generate ANSI-C or TCL quoted elements */ #define MODE_Csv 8 /* Quote strings, numbers are plain */ #define MODE_Explain 9 /* Like MODE_Column, but do not truncate data */ #define MODE_Ascii 10 /* Use ASCII unit and record separators (0x1F/0x1E) */ #define MODE_Pretty 11 /* Pretty-print schemas */ #define MODE_EQP 12 /* Converts EXPLAIN QUERY PLAN output into a graph */ #define MODE_Json 13 /* Output JSON */ #define MODE_Markdown 14 /* Markdown formatting */ #define MODE_Table 15 /* MySQL-style table formatting */ #define MODE_Box 16 /* Unicode box-drawing characters */ #define MODE_Count 17 /* Output only a count of the rows of output */ #define MODE_Off 18 /* No query output shown */ #define MODE_ScanExp 19 /* Like MODE_Explain, but for ".scanstats vm" */ #define MODE_Www 20 /* Full web-page output */ static const char *modeDescr[] = { "line", "column", "list", "semi", "html", "insert", "quote", "tcl", "csv", "explain", "ascii", "prettyprint", "eqp", "json", "markdown", "table", "box", "count", "off", "scanexp", "www", }; /* ** These are the column/row/line separators used by the various ** import/export modes. */ #define SEP_Column "|" #define SEP_Row "\n" #define SEP_Tab "\t" #define SEP_Space " " #define SEP_Comma "," #define SEP_CrLf "\r\n" #define SEP_Unit "\x1F" #define SEP_Record "\x1E" /* ** Limit input nesting via .read or any other input redirect. ** It's not too expensive, so a generous allowance can be made. */ #define MAX_INPUT_NESTING 25 /* ** A callback for the sqlite3_log() interface. */ static void shellLog(void *pArg, int iErrCode, const char *zMsg){ ShellState *p = (ShellState*)pArg; if( p->pLog==0 ) return; sqlite3_fprintf(p->pLog, "(%d) %s\n", iErrCode, zMsg); fflush(p->pLog); } /* ** SQL function: shell_putsnl(X) ** ** Write the text X to the screen (or whatever output is being directed) ** adding a newline at the end, and then return X. */ static void shellPutsFunc( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ ShellState *p = (ShellState*)sqlite3_user_data(pCtx); (void)nVal; sqlite3_fprintf(p->out, "%s\n", sqlite3_value_text(apVal[0])); sqlite3_result_value(pCtx, apVal[0]); } /* ** If in safe mode, print an error message described by the arguments ** and exit immediately. */ static void failIfSafeMode( ShellState *p, const char *zErrMsg, ... ){ if( p->bSafeMode ){ va_list ap; char *zMsg; va_start(ap, zErrMsg); zMsg = sqlite3_vmprintf(zErrMsg, ap); va_end(ap); sqlite3_fprintf(stderr, "line %lld: %s\n", p->lineno, zMsg); exit(1); } } /* ** SQL function: edit(VALUE) ** edit(VALUE,EDITOR) ** ** These steps: ** ** (1) Write VALUE into a temporary file. ** (2) Run program EDITOR on that temporary file. ** (3) Read the temporary file back and return its content as the result. ** (4) Delete the temporary file ** ** If the EDITOR argument is omitted, use the value in the VISUAL ** environment variable. If still there is no EDITOR, through an error. ** ** Also throw an error if the EDITOR program returns a non-zero exit code. */ #ifndef SQLITE_NOHAVE_SYSTEM static void editFunc( sqlite3_context *context, int argc, sqlite3_value **argv ){ const char *zEditor; char *zTempFile = 0; sqlite3 *db; char *zCmd = 0; int bBin; int rc; int hasCRLF = 0; FILE *f = 0; sqlite3_int64 sz; sqlite3_int64 x; unsigned char *p = 0; if( argc==2 ){ zEditor = (const char*)sqlite3_value_text(argv[1]); }else{ zEditor = getenv("VISUAL"); } if( zEditor==0 ){ sqlite3_result_error(context, "no editor for edit()", -1); return; } if( sqlite3_value_type(argv[0])==SQLITE_NULL ){ sqlite3_result_error(context, "NULL input to edit()", -1); return; } db = sqlite3_context_db_handle(context); zTempFile = 0; sqlite3_file_control(db, 0, SQLITE_FCNTL_TEMPFILENAME, &zTempFile); if( zTempFile==0 ){ sqlite3_uint64 r = 0; sqlite3_randomness(sizeof(r), &r); zTempFile = sqlite3_mprintf("temp%llx", r); if( zTempFile==0 ){ sqlite3_result_error_nomem(context); return; } } bBin = sqlite3_value_type(argv[0])==SQLITE_BLOB; /* When writing the file to be edited, do \n to \r\n conversions on systems ** that want \r\n line endings */ f = sqlite3_fopen(zTempFile, bBin ? "wb" : "w"); if( f==0 ){ sqlite3_result_error(context, "edit() cannot open temp file", -1); goto edit_func_end; } sz = sqlite3_value_bytes(argv[0]); if( bBin ){ x = fwrite(sqlite3_value_blob(argv[0]), 1, (size_t)sz, f); }else{ const char *z = (const char*)sqlite3_value_text(argv[0]); /* Remember whether or not the value originally contained \r\n */ if( z && strstr(z,"\r\n")!=0 ) hasCRLF = 1; x = fwrite(sqlite3_value_text(argv[0]), 1, (size_t)sz, f); } fclose(f); f = 0; if( x!=sz ){ sqlite3_result_error(context, "edit() could not write the whole file", -1); goto edit_func_end; } zCmd = sqlite3_mprintf("%s \"%s\"", zEditor, zTempFile); if( zCmd==0 ){ sqlite3_result_error_nomem(context); goto edit_func_end; } rc = system(zCmd); sqlite3_free(zCmd); if( rc ){ sqlite3_result_error(context, "EDITOR returned non-zero", -1); goto edit_func_end; } f = sqlite3_fopen(zTempFile, "rb"); if( f==0 ){ sqlite3_result_error(context, "edit() cannot reopen temp file after edit", -1); goto edit_func_end; } fseek(f, 0, SEEK_END); sz = ftell(f); rewind(f); p = sqlite3_malloc64( sz+1 ); if( p==0 ){ sqlite3_result_error_nomem(context); goto edit_func_end; } x = fread(p, 1, (size_t)sz, f); fclose(f); f = 0; if( x!=sz ){ sqlite3_result_error(context, "could not read back the whole file", -1); goto edit_func_end; } if( bBin ){ sqlite3_result_blob64(context, p, sz, sqlite3_free); }else{ sqlite3_int64 i, j; if( hasCRLF ){ /* If the original contains \r\n then do no conversions back to \n */ }else{ /* If the file did not originally contain \r\n then convert any new ** \r\n back into \n */ p[sz] = 0; for(i=j=0; i<sz; i++){ if( p[i]=='\r' && p[i+1]=='\n' ) i++; p[j++] = p[i]; } sz = j; p[sz] = 0; } sqlite3_result_text64(context, (const char*)p, sz, sqlite3_free, SQLITE_UTF8); } p = 0; edit_func_end: if( f ) fclose(f); unlink(zTempFile); sqlite3_free(zTempFile); sqlite3_free(p); } #endif /* SQLITE_NOHAVE_SYSTEM */ /* ** Save or restore the current output mode */ static void outputModePush(ShellState *p){ p->modePrior = p->mode; p->priorShFlgs = p->shellFlgs; memcpy(p->colSepPrior, p->colSeparator, sizeof(p->colSeparator)); memcpy(p->rowSepPrior, p->rowSeparator, sizeof(p->rowSeparator)); } static void outputModePop(ShellState *p){ p->mode = p->modePrior; p->shellFlgs = p->priorShFlgs; memcpy(p->colSeparator, p->colSepPrior, sizeof(p->colSeparator)); memcpy(p->rowSeparator, p->rowSepPrior, sizeof(p->rowSeparator)); } /* ** Set output mode to text or binary for Windows. */ static void setCrlfMode(ShellState *p){ #ifdef _WIN32 if( p->crlfMode ){ sqlite3_fsetmode(p->out, _O_TEXT); }else{ sqlite3_fsetmode(p->out, _O_BINARY); } #else UNUSED_PARAMETER(p); #endif } /* ** Output the given string as a hex-encoded blob (eg. X'1234' ) */ static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){ int i; unsigned char *aBlob = (unsigned char*)pBlob; char *zStr = sqlite3_malloc64((i64)nBlob*2 + 1); shell_check_oom(zStr); for(i=0; i<nBlob; i++){ static const char aHex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; zStr[i*2] = aHex[ (aBlob[i] >> 4) ]; zStr[i*2+1] = aHex[ (aBlob[i] & 0x0F) ]; } zStr[i*2] = '\0'; sqlite3_fprintf(out, "X'%s'", zStr); sqlite3_free(zStr); } /* ** Output the given string as a quoted string using SQL quoting conventions: ** ** (1) Single quotes (') within the string are doubled ** (2) The while string is enclosed in '...' ** (3) Control characters other than \n, \t, and \r\n are escaped ** using \u00XX notation and if such substitutions occur, ** the whole string is enclosed in unistr('...') instead of '...'. ** ** Step (3) is omitted if the control-character escape mode is OFF. ** ** See also: output_quoted_escaped_string() which does the same except ** that it does not make exceptions for \n, \t, and \r\n in step (3). */ static void output_quoted_string(ShellState *p, const char *zInX){ int i; int needUnistr = 0; int needDblQuote = 0; const unsigned char *z = (const unsigned char*)zInX; unsigned char c; FILE *out = p->out; sqlite3_fsetmode(out, _O_BINARY); if( z==0 ) return; for(i=0; (c = z[i])!=0; i++){ if( c=='\'' ){ needDblQuote = 1; } if( c>0x1f ) continue; if( c=='\t' || c=='\n' ) continue; if( c=='\r' && z[i+1]=='\n' ) continue; needUnistr = 1; break; } if( (needDblQuote==0 && needUnistr==0) || (needDblQuote==0 && p->eEscMode==SHELL_ESC_OFF) ){ sqlite3_fprintf(out, "'%s'",z); }else if( p->eEscMode==SHELL_ESC_OFF ){ char *zEncoded = sqlite3_mprintf("%Q", z); sqlite3_fputs(zEncoded, out); sqlite3_free(zEncoded); }else{ if( needUnistr ){ sqlite3_fputs("unistr('", out); }else{ sqlite3_fputs("'", out); } while( *z ){ for(i=0; (c = z[i])!=0; i++){ if( c=='\'' ) break; if( c>0x1f ) continue; if( c=='\t' || c=='\n' ) continue; if( c=='\r' && z[i+1]=='\n' ) continue; break; } if( i ){ sqlite3_fprintf(out, "%.*s", i, z); z += i; } if( c==0 ) break; if( c=='\'' ){ sqlite3_fputs("''", out); }else{ sqlite3_fprintf(out, "\\u%04x", c); } z++; } if( needUnistr ){ sqlite3_fputs("')", out); }else{ sqlite3_fputs("'", out); } } setCrlfMode(p); } /* ** Output the given string as a quoted string using SQL quoting conventions. ** Additionallly , escape the "\n" and "\r" characters so that they do not ** get corrupted by end-of-line translation facilities in some operating ** systems. ** ** This is like output_quoted_string() but with the addition of the \r\n ** escape mechanism. */ static void output_quoted_escaped_string(ShellState *p, const char *z){ char *zEscaped; sqlite3_fsetmode(p->out, _O_BINARY); if( p->eEscMode==SHELL_ESC_OFF ){ zEscaped = sqlite3_mprintf("%Q", z); }else{ zEscaped = sqlite3_mprintf("%#Q", z); } sqlite3_fputs(zEscaped, p->out); sqlite3_free(zEscaped); setCrlfMode(p); } /* ** Find earliest of chars within s specified in zAny. ** With ns == ~0, is like strpbrk(s,zAny) and s must be 0-terminated. */ static const char *anyOfInStr(const char *s, const char *zAny, size_t ns){ const char *pcFirst = 0; if( ns == ~(size_t)0 ) ns = strlen(s); while(*zAny){ const char *pc = (const char*)memchr(s, *zAny&0xff, ns); if( pc ){ pcFirst = pc; ns = pcFirst - s; } ++zAny; } return pcFirst; } /* Skip over as much z[] input char sequence as is valid UTF-8, ** limited per nAccept char's or whole characters and containing ** no char cn such that ((1<<cn) & ccm)!=0. On return, the ** sequence z:return (inclusive:exclusive) is validated UTF-8. ** Limit: nAccept>=0 => char count, nAccept<0 => character */ const char *zSkipValidUtf8(const char *z, int nAccept, long ccm){ int ng = (nAccept<0)? -nAccept : 0; const char *pcLimit = (nAccept>=0)? z+nAccept : 0; assert(z!=0); while( (pcLimit)? (z<pcLimit) : (ng-- != 0) ){ unsigned char c = *(u8*)z; if( c<0x7f ){ if( ccm != 0L && c < 0x20 && ((1L<<c) & ccm) != 0 ) return z; ++z; /* ASCII */ }else if( (c & 0xC0) != 0xC0 ) return z; /* not a lead byte */ else{ const char *zt = z+1; /* Got lead byte, look at trail bytes.*/ do{ if( pcLimit && zt >= pcLimit ) return z; else{ char ct = *zt++; if( ct==0 || (zt-z)>4 || (ct & 0xC0)!=0x80 ){ /* Trailing bytes are too few, too many, or invalid. */ return z; } } } while( ((c <<= 1) & 0x40) == 0x40 ); /* Eat lead byte's count. */ z = zt; } } return z; } /* ** Output the given string as a quoted according to C or TCL quoting rules. */ static void output_c_string(FILE *out, const char *z){ char c; static const char *zq = "\""; static long ctrlMask = ~0L; static const char *zDQBSRO = "\"\\\x7f"; /* double-quote, backslash, rubout */ char ace[3] = "\\?"; char cbsSay; sqlite3_fputs(zq, out); while( *z!=0 ){ const char *pcDQBSRO = anyOfInStr(z, zDQBSRO, ~(size_t)0); const char *pcPast = zSkipValidUtf8(z, INT_MAX, ctrlMask); const char *pcEnd = (pcDQBSRO && pcDQBSRO < pcPast)? pcDQBSRO : pcPast; if( pcEnd > z ){ sqlite3_fprintf(out, "%.*s", (int)(pcEnd-z), z); } if( (c = *pcEnd)==0 ) break; ++pcEnd; switch( c ){ case '\\': case '"': cbsSay = (char)c; break; case '\t': cbsSay = 't'; break; case '\n': cbsSay = 'n'; break; case '\r': cbsSay = 'r'; break; case '\f': cbsSay = 'f'; break; default: cbsSay = 0; break; } if( cbsSay ){ ace[1] = cbsSay; sqlite3_fputs(ace, out); }else if( !isprint(c&0xff) ){ sqlite3_fprintf(out, "\\%03o", c&0xff); }else{ ace[1] = (char)c; sqlite3_fputs(ace+1, out); } z = pcEnd; } sqlite3_fputs(zq, out); } /* ** Output the given string as quoted according to JSON quoting rules. */ static void output_json_string(FILE *out, const char *z, i64 n){ unsigned char c; static const char *zq = "\""; static long ctrlMask = ~0L; static const char *zDQBS = "\"\\"; const char *pcLimit; char ace[3] = "\\?"; char cbsSay; if( z==0 ) z = ""; pcLimit = z + ((n<0)? strlen(z) : (size_t)n); sqlite3_fputs(zq, out); while( z < pcLimit ){ const char *pcDQBS = anyOfInStr(z, zDQBS, pcLimit-z); const char *pcPast = zSkipValidUtf8(z, (int)(pcLimit-z), ctrlMask); const char *pcEnd = (pcDQBS && pcDQBS < pcPast)? pcDQBS : pcPast; if( pcEnd > z ){ sqlite3_fprintf(out, "%.*s", (int)(pcEnd-z), z); z = pcEnd; } if( z >= pcLimit ) break; c = (unsigned char)*(z++); switch( c ){ case '"': case '\\': cbsSay = (char)c; break; case '\b': cbsSay = 'b'; break; case '\f': cbsSay = 'f'; break; case '\n': cbsSay = 'n'; break; case '\r': cbsSay = 'r'; break; case '\t': cbsSay = 't'; break; default: cbsSay = 0; break; } if( cbsSay ){ ace[1] = cbsSay; sqlite3_fputs(ace, out); }else if( c<=0x1f || c>=0x7f ){ sqlite3_fprintf(out, "\\u%04x", c); }else{ ace[1] = (char)c; sqlite3_fputs(ace+1, out); } } sqlite3_fputs(zq, out); } /* ** Escape the input string if it is needed and in accordance with ** eEscMode. ** ** Escaping is needed if the string contains any control characters ** other than \t, \n, and \r\n ** ** If no escaping is needed (the common case) then set *ppFree to NULL ** and return the original string. If escaping is needed, write the ** escaped string into memory obtained from sqlite3_malloc64() or the ** equivalent, and return the new string and set *ppFree to the new string ** as well. ** ** The caller is responsible for freeing *ppFree if it is non-NULL in order ** to reclaim memory. */ static const char *escapeOutput( ShellState *p, const char *zInX, char **ppFree ){ i64 i, j; i64 nCtrl = 0; unsigned char *zIn; unsigned char c; unsigned char *zOut; /* No escaping if disabled */ if( p->eEscMode==SHELL_ESC_OFF ){ *ppFree = 0; return zInX; } /* Count the number of control characters in the string. */ zIn = (unsigned char*)zInX; for(i=0; (c = zIn[i])!=0; i++){ if( c<=0x1f && c!='\t' && c!='\n' && (c!='\r' || zIn[i+1]!='\n') ){ nCtrl++; } } if( nCtrl==0 ){ *ppFree = 0; return zInX; } if( p->eEscMode==SHELL_ESC_SYMBOL ) nCtrl *= 2; zOut = sqlite3_malloc64( i + nCtrl + 1 ); shell_check_oom(zOut); for(i=j=0; (c = zIn[i])!=0; i++){ if( c>0x1f || c=='\t' || c=='\n' || (c=='\r' && zIn[i+1]=='\n') ){ continue; } if( i>0 ){ memcpy(&zOut[j], zIn, i); j += i; } zIn += i+1; i = -1; switch( p->eEscMode ){ case SHELL_ESC_SYMBOL: zOut[j++] = 0xe2; zOut[j++] = 0x90; zOut[j++] = 0x80+c; break; case SHELL_ESC_ASCII: zOut[j++] = '^'; zOut[j++] = 0x40+c; break; } } if( i>0 ){ memcpy(&zOut[j], zIn, i); j += i; } zOut[j] = 0; *ppFree = (char*)zOut; return (char*)zOut; } /* ** Output the given string with characters that are special to ** HTML escaped. */ static void output_html_string(FILE *out, const char *z){ int i; if( z==0 ) z = ""; while( *z ){ for(i=0; z[i] && z[i]!='<' && z[i]!='&' && z[i]!='>' && z[i]!='\"' && z[i]!='\''; i++){} if( i>0 ){ sqlite3_fprintf(out, "%.*s",i,z); } if( z[i]=='<' ){ sqlite3_fputs("<", out); }else if( z[i]=='&' ){ sqlite3_fputs("&", out); }else if( z[i]=='>' ){ sqlite3_fputs(">", out); }else if( z[i]=='\"' ){ sqlite3_fputs(""", out); }else if( z[i]=='\'' ){ sqlite3_fputs("'", out); }else{ break; } z += i + 1; } } /* ** If a field contains any character identified by a 1 in the following ** array, then the string must be quoted for CSV. */ static const char needCsvQuote[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, }; /* ** Output a single term of CSV. Actually, p->colSeparator is used for ** the separator, which may or may not be a comma. p->nullValue is ** the null value. Strings are quoted if necessary. The separator ** is only issued if bSep is true. */ static void output_csv(ShellState *p, const char *z, int bSep){ if( z==0 ){ sqlite3_fprintf(p->out, "%s",p->nullValue); }else{ unsigned i; for(i=0; z[i]; i++){ if( needCsvQuote[((unsigned char*)z)[i]] ){ i = 0; break; } } if( i==0 || strstr(z, p->colSeparator)!=0 ){ char *zQuoted = sqlite3_mprintf("\"%w\"", z); shell_check_oom(zQuoted); sqlite3_fputs(zQuoted, p->out); sqlite3_free(zQuoted); }else{ sqlite3_fputs(z, p->out); } } if( bSep ){ sqlite3_fputs(p->colSeparator, p->out); } } /* ** This routine runs when the user presses Ctrl-C */ static void interrupt_handler(int NotUsed){ UNUSED_PARAMETER(NotUsed); if( ++seenInterrupt>1 ) exit(1); if( globalDb ) sqlite3_interrupt(globalDb); } #if (defined(_WIN32) || defined(WIN32)) && !defined(_WIN32_WCE) /* ** This routine runs for console events (e.g. Ctrl-C) on Win32 */ static BOOL WINAPI ConsoleCtrlHandler( DWORD dwCtrlType /* One of the CTRL_*_EVENT constants */ ){ if( dwCtrlType==CTRL_C_EVENT ){ interrupt_handler(0); return TRUE; } return FALSE; } #endif #ifndef SQLITE_OMIT_AUTHORIZATION /* ** This authorizer runs in safe mode. */ static int safeModeAuth( void *pClientData, int op, const char *zA1, const char *zA2, const char *zA3, const char *zA4 ){ ShellState *p = (ShellState*)pClientData; static const char *azProhibitedFunctions[] = { "edit", "fts3_tokenizer", "load_extension", "readfile", "writefile", "zipfile", "zipfile_cds", }; UNUSED_PARAMETER(zA1); UNUSED_PARAMETER(zA3); UNUSED_PARAMETER(zA4); switch( op ){ case SQLITE_ATTACH: { #ifndef SQLITE_SHELL_FIDDLE /* In WASM builds the filesystem is a virtual sandbox, so ** there's no harm in using ATTACH. */ failIfSafeMode(p, "cannot run ATTACH in safe mode"); #endif break; } case SQLITE_FUNCTION: { int i; for(i=0; i<ArraySize(azProhibitedFunctions); i++){ if( sqlite3_stricmp(zA2, azProhibitedFunctions[i])==0 ){ failIfSafeMode(p, "cannot use the %s() function in safe mode", azProhibitedFunctions[i]); } } break; } } return SQLITE_OK; } /* ** When the ".auth ON" is set, the following authorizer callback is ** invoked. It always returns SQLITE_OK. */ static int shellAuth( void *pClientData, int op, const char *zA1, const char *zA2, const char *zA3, const char *zA4 ){ ShellState *p = (ShellState*)pClientData; static const char *azAction[] = { 0, "CREATE_INDEX", "CREATE_TABLE", "CREATE_TEMP_INDEX", "CREATE_TEMP_TABLE", "CREATE_TEMP_TRIGGER", "CREATE_TEMP_VIEW", "CREATE_TRIGGER", "CREATE_VIEW", "DELETE", "DROP_INDEX", "DROP_TABLE", "DROP_TEMP_INDEX", "DROP_TEMP_TABLE", "DROP_TEMP_TRIGGER", "DROP_TEMP_VIEW", "DROP_TRIGGER", "DROP_VIEW", "INSERT", "PRAGMA", "READ", "SELECT", "TRANSACTION", "UPDATE", "ATTACH", "DETACH", "ALTER_TABLE", "REINDEX", "ANALYZE", "CREATE_VTABLE", "DROP_VTABLE", "FUNCTION", "SAVEPOINT", "RECURSIVE" }; int i; const char *az[4]; az[0] = zA1; az[1] = zA2; az[2] = zA3; az[3] = zA4; sqlite3_fprintf(p->out, "authorizer: %s", azAction[op]); for(i=0; i<4; i++){ sqlite3_fputs(" ", p->out); if( az[i] ){ output_c_string(p->out, az[i]); }else{ sqlite3_fputs("NULL", p->out); } } sqlite3_fputs("\n", p->out); if( p->bSafeMode ) (void)safeModeAuth(pClientData, op, zA1, zA2, zA3, zA4); return SQLITE_OK; } #endif /* ** Print a schema statement. Part of MODE_Semi and MODE_Pretty output. ** ** This routine converts some CREATE TABLE statements for shadow tables ** in FTS3/4/5 into CREATE TABLE IF NOT EXISTS statements. ** ** If the schema statement in z[] contains a start-of-comment and if ** sqlite3_complete() returns false, try to terminate the comment before ** printing the result. https://sqlite.org/forum/forumpost/d7be961c5c */ static void printSchemaLine(FILE *out, const char *z, const char *zTail){ char *zToFree = 0; if( z==0 ) return; if( zTail==0 ) return; if( zTail[0]==';' && (strstr(z, "/*")!=0 || strstr(z,"--")!=0) ){ const char *zOrig = z; static const char *azTerm[] = { "", "*/", "\n" }; int i; for(i=0; i<ArraySize(azTerm); i++){ char *zNew = sqlite3_mprintf("%s%s;", zOrig, azTerm[i]); shell_check_oom(zNew); if( sqlite3_complete(zNew) ){ size_t n = strlen(zNew); zNew[n-1] = 0; zToFree = zNew; z = zNew; break; } sqlite3_free(zNew); } } if( sqlite3_strglob("CREATE TABLE ['\"]*", z)==0 ){ sqlite3_fprintf(out, "CREATE TABLE IF NOT EXISTS %s%s", z+13, zTail); }else{ sqlite3_fprintf(out, "%s%s", z, zTail); } sqlite3_free(zToFree); } static void printSchemaLineN(FILE *out, char *z, int n, const char *zTail){ char c = z[n]; z[n] = 0; printSchemaLine(out, z, zTail); z[n] = c; } /* ** Return true if string z[] has nothing but whitespace and comments to the ** end of the first line. */ static int wsToEol(const char *z){ int i; for(i=0; z[i]; i++){ if( z[i]=='\n' ) return 1; if( IsSpace(z[i]) ) continue; if( z[i]=='-' && z[i+1]=='-' ) return 1; return 0; } return 1; } /* ** Add a new entry to the EXPLAIN QUERY PLAN data */ static void eqp_append(ShellState *p, int iEqpId, int p2, const char *zText){ EQPGraphRow *pNew; i64 nText; if( zText==0 ) return; nText = strlen(zText); if( p->autoEQPtest ){ sqlite3_fprintf(p->out, "%d,%d,%s\n", iEqpId, p2, zText); } pNew = sqlite3_malloc64( sizeof(*pNew) + nText ); shell_check_oom(pNew); pNew->iEqpId = iEqpId; pNew->iParentId = p2; memcpy(pNew->zText, zText, nText+1); pNew->pNext = 0; if( p->sGraph.pLast ){ p->sGraph.pLast->pNext = pNew; }else{ p->sGraph.pRow = pNew; } p->sGraph.pLast = pNew; } /* ** Free and reset the EXPLAIN QUERY PLAN data that has been collected ** in p->sGraph. */ static void eqp_reset(ShellState *p){ EQPGraphRow *pRow, *pNext; for(pRow = p->sGraph.pRow; pRow; pRow = pNext){ pNext = pRow->pNext; sqlite3_free(pRow); } memset(&p->sGraph, 0, sizeof(p->sGraph)); } /* Return the next EXPLAIN QUERY PLAN line with iEqpId that occurs after ** pOld, or return the first such line if pOld is NULL */ static EQPGraphRow *eqp_next_row(ShellState *p, int iEqpId, EQPGraphRow *pOld){ EQPGraphRow *pRow = pOld ? pOld->pNext : p->sGraph.pRow; while( pRow && pRow->iParentId!=iEqpId ) pRow = pRow->pNext; return pRow; } /* Render a single level of the graph that has iEqpId as its parent. Called ** recursively to render sublevels. */ static void eqp_render_level(ShellState *p, int iEqpId){ EQPGraphRow *pRow, *pNext; i64 n = strlen(p->sGraph.zPrefix); char *z; for(pRow = eqp_next_row(p, iEqpId, 0); pRow; pRow = pNext){ pNext = eqp_next_row(p, iEqpId, pRow); z = pRow->zText; sqlite3_fprintf(p->out, "%s%s%s\n", p->sGraph.zPrefix, pNext ? "|--" : "`--", z); if( n<(i64)sizeof(p->sGraph.zPrefix)-7 ){ memcpy(&p->sGraph.zPrefix[n], pNext ? "| " : " ", 4); eqp_render_level(p, pRow->iEqpId); p->sGraph.zPrefix[n] = 0; } } } /* ** Display and reset the EXPLAIN QUERY PLAN data */ static void eqp_render(ShellState *p, i64 nCycle){ EQPGraphRow *pRow = p->sGraph.pRow; if( pRow ){ if( pRow->zText[0]=='-' ){ if( pRow->pNext==0 ){ eqp_reset(p); return; } sqlite3_fprintf(p->out, "%s\n", pRow->zText+3); p->sGraph.pRow = pRow->pNext; sqlite3_free(pRow); }else if( nCycle>0 ){ sqlite3_fprintf(p->out, "QUERY PLAN (cycles=%lld [100%%])\n", nCycle); }else{ sqlite3_fputs("QUERY PLAN\n", p->out); } p->sGraph.zPrefix[0] = 0; eqp_render_level(p, 0); eqp_reset(p); } } #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* ** Progress handler callback. */ static int progress_handler(void *pClientData) { ShellState *p = (ShellState*)pClientData; p->nProgress++; if( p->nProgress>=p->mxProgress && p->mxProgress>0 ){ sqlite3_fprintf(p->out, "Progress limit reached (%u)\n", p->nProgress); if( p->flgProgress & SHELL_PROGRESS_RESET ) p->nProgress = 0; if( p->flgProgress & SHELL_PROGRESS_ONCE ) p->mxProgress = 0; return 1; } if( (p->flgProgress & SHELL_PROGRESS_QUIET)==0 ){ sqlite3_fprintf(p->out, "Progress %u\n", p->nProgress); } return 0; } #endif /* SQLITE_OMIT_PROGRESS_CALLBACK */ /* ** Print N dashes */ static void print_dashes(FILE *out, int N){ const char zDash[] = "--------------------------------------------------"; const int nDash = sizeof(zDash) - 1; while( N>nDash ){ sqlite3_fputs(zDash, out); N -= nDash; } sqlite3_fprintf(out, "%.*s", N, zDash); } /* ** Print a markdown or table-style row separator using ascii-art */ static void print_row_separator( ShellState *p, int nArg, const char *zSep ){ int i; if( nArg>0 ){ sqlite3_fputs(zSep, p->out); print_dashes(p->out, p->actualWidth[0]+2); for(i=1; i<nArg; i++){ sqlite3_fputs(zSep, p->out); print_dashes(p->out, p->actualWidth[i]+2); } sqlite3_fputs(zSep, p->out); } sqlite3_fputs("\n", p->out); } /* ** This is the callback routine that the shell ** invokes for each row of a query result. */ static int shell_callback( void *pArg, int nArg, /* Number of result columns */ char **azArg, /* Text of each result column */ char **azCol, /* Column names */ int *aiType /* Column types. Might be NULL */ ){ int i; ShellState *p = (ShellState*)pArg; if( azArg==0 ) return 0; switch( p->cMode ){ case MODE_Count: case MODE_Off: { break; } case MODE_Line: { int w = 5; if( azArg==0 ) break; for(i=0; i<nArg; i++){ int len = strlen30(azCol[i] ? azCol[i] : ""); if( len>w ) w = len; } if( p->cnt++>0 ) sqlite3_fputs(p->rowSeparator, p->out); for(i=0; i<nArg; i++){ char *pFree = 0; const char *pDisplay; pDisplay = escapeOutput(p, azArg[i] ? azArg[i] : p->nullValue, &pFree); sqlite3_fprintf(p->out, "%*s = %s%s", w, azCol[i], pDisplay, p->rowSeparator); if( pFree ) sqlite3_free(pFree); } break; } case MODE_ScanExp: case MODE_Explain: { static const int aExplainWidth[] = {4, 13, 4, 4, 4, 13, 2, 13}; static const int aExplainMap[] = {0, 1, 2, 3, 4, 5, 6, 7 }; static const int aScanExpWidth[] = {4, 15, 6, 13, 4, 4, 4, 13, 2, 13}; static const int aScanExpMap[] = {0, 9, 8, 1, 2, 3, 4, 5, 6, 7 }; const int *aWidth = aExplainWidth; const int *aMap = aExplainMap; int nWidth = ArraySize(aExplainWidth); int iIndent = 1; if( p->cMode==MODE_ScanExp ){ aWidth = aScanExpWidth; aMap = aScanExpMap; nWidth = ArraySize(aScanExpWidth); iIndent = 3; } if( nArg>nWidth ) nArg = nWidth; /* If this is the first row seen, print out the headers */ if( p->cnt++==0 ){ for(i=0; i<nArg; i++){ utf8_width_print(p->out, aWidth[i], azCol[ aMap[i] ]); sqlite3_fputs(i==nArg-1 ? "\n" : " ", p->out); } for(i=0; i<nArg; i++){ print_dashes(p->out, aWidth[i]); sqlite3_fputs(i==nArg-1 ? "\n" : " ", p->out); } } /* If there is no data, exit early. */ if( azArg==0 ) break; for(i=0; i<nArg; i++){ const char *zSep = " "; int w = aWidth[i]; const char *zVal = azArg[ aMap[i] ]; if( i==nArg-1 ) w = 0; if( zVal && strlenChar(zVal)>w ){ w = strlenChar(zVal); zSep = " "; } if( i==iIndent && p->aiIndent && p->pStmt ){ if( p->iIndent<p->nIndent ){ sqlite3_fprintf(p->out, "%*.s", p->aiIndent[p->iIndent], ""); } p->iIndent++; } utf8_width_print(p->out, w, zVal ? zVal : p->nullValue); sqlite3_fputs(i==nArg-1 ? "\n" : zSep, p->out); } break; } case MODE_Semi: { /* .schema and .fullschema output */ printSchemaLine(p->out, azArg[0], ";\n"); break; } case MODE_Pretty: { /* .schema and .fullschema with --indent */ char *z; int j; int nParen = 0; char cEnd = 0; char c; int nLine = 0; int isIndex; int isWhere = 0; assert( nArg==1 ); if( azArg[0]==0 ) break; if( sqlite3_strlike("CREATE VIEW%", azArg[0], 0)==0 || sqlite3_strlike("CREATE TRIG%", azArg[0], 0)==0 ){ sqlite3_fprintf(p->out, "%s;\n", azArg[0]); break; } isIndex = sqlite3_strlike("CREATE INDEX%", azArg[0], 0)==0 || sqlite3_strlike("CREATE UNIQUE INDEX%", azArg[0], 0)==0; z = sqlite3_mprintf("%s", azArg[0]); shell_check_oom(z); j = 0; for(i=0; IsSpace(z[i]); i++){} for(; (c = z[i])!=0; i++){ if( IsSpace(c) ){ if( z[j-1]=='\r' ) z[j-1] = '\n'; if( IsSpace(z[j-1]) || z[j-1]=='(' ) continue; }else if( (c=='(' || c==')') && j>0 && IsSpace(z[j-1]) ){ j--; } z[j++] = c; } while( j>0 && IsSpace(z[j-1]) ){ j--; } z[j] = 0; if( strlen30(z)>=79 ){ for(i=j=0; (c = z[i])!=0; i++){ /* Copy from z[i] back to z[j] */ if( c==cEnd ){ cEnd = 0; }else if( c=='"' || c=='\'' || c=='`' ){ cEnd = c; }else if( c=='[' ){ cEnd = ']'; }else if( c=='-' && z[i+1]=='-' ){ cEnd = '\n'; }else if( c=='(' ){ nParen++; }else if( c==')' ){ nParen--; if( nLine>0 && nParen==0 && j>0 && !isWhere ){ printSchemaLineN(p->out, z, j, "\n"); j = 0; } }else if( (c=='w' || c=='W') && nParen==0 && isIndex && sqlite3_strnicmp("WHERE",&z[i],5)==0 && !IsAlnum(z[i+5]) && z[i+5]!='_' ){ isWhere = 1; }else if( isWhere && (c=='A' || c=='a') && nParen==0 && sqlite3_strnicmp("AND",&z[i],3)==0 && !IsAlnum(z[i+3]) && z[i+3]!='_' ){ printSchemaLineN(p->out, z, j, "\n "); j = 0; } z[j++] = c; if( nParen==1 && cEnd==0 && (c=='(' || c=='\n' || (c==',' && !wsToEol(z+i+1))) && !isWhere ){ if( c=='\n' ) j--; printSchemaLineN(p->out, z, j, "\n "); j = 0; nLine++; while( IsSpace(z[i+1]) ){ i++; } } } z[j] = 0; } printSchemaLine(p->out, z, ";\n"); sqlite3_free(z); break; } case MODE_List: { if( p->cnt++==0 && p->showHeader ){ for(i=0; i<nArg; i++){ char *z = azCol[i]; char *pFree; const char *zOut = escapeOutput(p, z, &pFree); sqlite3_fprintf(p->out, "%s%s", zOut, i==nArg-1 ? p->rowSeparator : p->colSeparator); if( pFree ) sqlite3_free(pFree); } } if( azArg==0 ) break; for(i=0; i<nArg; i++){ char *z = azArg[i]; char *pFree; const char *zOut; if( z==0 ) z = p->nullValue; zOut = escapeOutput(p, z, &pFree); sqlite3_fputs(zOut, p->out); if( pFree ) sqlite3_free(pFree); sqlite3_fputs((i<nArg-1)? p->colSeparator : p->rowSeparator, p->out); } break; } case MODE_Www: case MODE_Html: { if( p->cnt==0 && p->cMode==MODE_Www ){ sqlite3_fputs( "</PRE>\n" "<TABLE border='1' cellspacing='0' cellpadding='2'>\n" ,p->out ); } if( p->cnt==0 && (p->showHeader || p->cMode==MODE_Www) ){ sqlite3_fputs("<TR>", p->out); for(i=0; i<nArg; i++){ sqlite3_fputs("<TH>", p->out); output_html_string(p->out, azCol[i]); sqlite3_fputs("</TH>\n", p->out); } sqlite3_fputs("</TR>\n", p->out); } p->cnt++; if( azArg==0 ) break; sqlite3_fputs("<TR>", p->out); for(i=0; i<nArg; i++){ sqlite3_fputs("<TD>", p->out); output_html_string(p->out, azArg[i] ? azArg[i] : p->nullValue); sqlite3_fputs("</TD>\n", p->out); } sqlite3_fputs("</TR>\n", p->out); break; } case MODE_Tcl: { if( p->cnt++==0 && p->showHeader ){ for(i=0; i<nArg; i++){ output_c_string(p->out, azCol[i] ? azCol[i] : ""); if(i<nArg-1) sqlite3_fputs(p->colSeparator, p->out); } sqlite3_fputs(p->rowSeparator, p->out); } if( azArg==0 ) break; for(i=0; i<nArg; i++){ output_c_string(p->out, azArg[i] ? azArg[i] : p->nullValue); if(i<nArg-1) sqlite3_fputs(p->colSeparator, p->out); } sqlite3_fputs(p->rowSeparator, p->out); break; } case MODE_Csv: { sqlite3_fsetmode(p->out, _O_BINARY); if( p->cnt++==0 && p->showHeader ){ for(i=0; i<nArg; i++){ output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1); } sqlite3_fputs(p->rowSeparator, p->out); } if( nArg>0 ){ for(i=0; i<nArg; i++){ output_csv(p, azArg[i], i<nArg-1); } sqlite3_fputs(p->rowSeparator, p->out); } setCrlfMode(p); break; } case MODE_Insert: { if( azArg==0 ) break; sqlite3_fprintf(p->out, "INSERT INTO %s",p->zDestTable); if( p->showHeader ){ sqlite3_fputs("(", p->out); for(i=0; i<nArg; i++){ if( i>0 ) sqlite3_fputs(",", p->out); if( quoteChar(azCol[i]) ){ char *z = sqlite3_mprintf("\"%w\"", azCol[i]); shell_check_oom(z); sqlite3_fputs(z, p->out); sqlite3_free(z); }else{ sqlite3_fprintf(p->out, "%s", azCol[i]); } } sqlite3_fputs(")", p->out); } p->cnt++; for(i=0; i<nArg; i++){ sqlite3_fputs(i>0 ? "," : " VALUES(", p->out); if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ sqlite3_fputs("NULL", p->out); }else if( aiType && aiType[i]==SQLITE_TEXT ){ if( ShellHasFlag(p, SHFLG_Newlines) ){ output_quoted_string(p, azArg[i]); }else{ output_quoted_escaped_string(p, azArg[i]); } }else if( aiType && aiType[i]==SQLITE_INTEGER ){ sqlite3_fputs(azArg[i], p->out); }else if( aiType && aiType[i]==SQLITE_FLOAT ){ char z[50]; double r = sqlite3_column_double(p->pStmt, i); sqlite3_uint64 ur; memcpy(&ur,&r,sizeof(r)); if( ur==0x7ff0000000000000LL ){ sqlite3_fputs("9.0e+999", p->out); }else if( ur==0xfff0000000000000LL ){ sqlite3_fputs("-9.0e+999", p->out); }else{ sqlite3_int64 ir = (sqlite3_int64)r; if( r==(double)ir ){ sqlite3_snprintf(50,z,"%lld.0", ir); }else{ sqlite3_snprintf(50,z,"%!.20g", r); } sqlite3_fputs(z, p->out); } }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){ const void *pBlob = sqlite3_column_blob(p->pStmt, i); int nBlob = sqlite3_column_bytes(p->pStmt, i); output_hex_blob(p->out, pBlob, nBlob); }else if( isNumber(azArg[i], 0) ){ sqlite3_fputs(azArg[i], p->out); }else if( ShellHasFlag(p, SHFLG_Newlines) ){ output_quoted_string(p, azArg[i]); }else{ output_quoted_escaped_string(p, azArg[i]); } } sqlite3_fputs(");\n", p->out); break; } case MODE_Json: { if( azArg==0 ) break; if( p->cnt==0 ){ sqlite3_fputs("[{", p->out); }else{ sqlite3_fputs(",\n{", p->out); } p->cnt++; for(i=0; i<nArg; i++){ output_json_string(p->out, azCol[i], -1); sqlite3_fputs(":", p->out); if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ sqlite3_fputs("null", p->out); }else if( aiType && aiType[i]==SQLITE_FLOAT ){ char z[50]; double r = sqlite3_column_double(p->pStmt, i); sqlite3_uint64 ur; memcpy(&ur,&r,sizeof(r)); if( ur==0x7ff0000000000000LL ){ sqlite3_fputs("9.0e+999", p->out); }else if( ur==0xfff0000000000000LL ){ sqlite3_fputs("-9.0e+999", p->out); }else{ sqlite3_snprintf(50,z,"%!.20g", r); sqlite3_fputs(z, p->out); } }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){ const void *pBlob = sqlite3_column_blob(p->pStmt, i); int nBlob = sqlite3_column_bytes(p->pStmt, i); output_json_string(p->out, pBlob, nBlob); }else if( aiType && aiType[i]==SQLITE_TEXT ){ output_json_string(p->out, azArg[i], -1); }else{ sqlite3_fputs(azArg[i], p->out); } if( i<nArg-1 ){ sqlite3_fputs(",", p->out); } } sqlite3_fputs("}", p->out); break; } case MODE_Quote: { if( azArg==0 ) break; if( p->cnt==0 && p->showHeader ){ for(i=0; i<nArg; i++){ if( i>0 ) sqlite3_fputs(p->colSeparator, p->out); output_quoted_string(p, azCol[i]); } sqlite3_fputs(p->rowSeparator, p->out); } p->cnt++; for(i=0; i<nArg; i++){ if( i>0 ) sqlite3_fputs(p->colSeparator, p->out); if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ sqlite3_fputs("NULL", p->out); }else if( aiType && aiType[i]==SQLITE_TEXT ){ output_quoted_string(p, azArg[i]); }else if( aiType && aiType[i]==SQLITE_INTEGER ){ sqlite3_fputs(azArg[i], p->out); }else if( aiType && aiType[i]==SQLITE_FLOAT ){ char z[50]; double r = sqlite3_column_double(p->pStmt, i); sqlite3_snprintf(50,z,"%!.20g", r); sqlite3_fputs(z, p->out); }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){ const void *pBlob = sqlite3_column_blob(p->pStmt, i); int nBlob = sqlite3_column_bytes(p->pStmt, i); output_hex_blob(p->out, pBlob, nBlob); }else if( isNumber(azArg[i], 0) ){ sqlite3_fputs(azArg[i], p->out); }else{ output_quoted_string(p, azArg[i]); } } sqlite3_fputs(p->rowSeparator, p->out); break; } case MODE_Ascii: { if( p->cnt++==0 && p->showHeader ){ for(i=0; i<nArg; i++){ if( i>0 ) sqlite3_fputs(p->colSeparator, p->out); sqlite3_fputs(azCol[i] ? azCol[i] : "", p->out); } sqlite3_fputs(p->rowSeparator, p->out); } if( azArg==0 ) break; for(i=0; i<nArg; i++){ if( i>0 ) sqlite3_fputs(p->colSeparator, p->out); sqlite3_fputs(azArg[i] ? azArg[i] : p->nullValue, p->out); } sqlite3_fputs(p->rowSeparator, p->out); break; } case MODE_EQP: { eqp_append(p, atoi(azArg[0]), atoi(azArg[1]), azArg[3]); break; } } return 0; } /* ** This is the callback routine that the SQLite library ** invokes for each row of a query result. */ static int callback(void *pArg, int nArg, char **azArg, char **azCol){ /* since we don't have type info, call the shell_callback with a NULL value */ return shell_callback(pArg, nArg, azArg, azCol, NULL); } /* ** This is the callback routine from sqlite3_exec() that appends all ** output onto the end of a ShellText object. */ static int captureOutputCallback(void *pArg, int nArg, char **azArg, char **az){ ShellText *p = (ShellText*)pArg; int i; UNUSED_PARAMETER(az); if( azArg==0 ) return 0; if( p->n ) appendText(p, "|", 0); for(i=0; i<nArg; i++){ if( i ) appendText(p, ",", 0); if( azArg[i] ) appendText(p, azArg[i], 0); } return 0; } /* ** Generate an appropriate SELFTEST table in the main database. */ static void createSelftestTable(ShellState *p){ char *zErrMsg = 0; sqlite3_exec(p->db, "SAVEPOINT selftest_init;\n" "CREATE TABLE IF NOT EXISTS selftest(\n" " tno INTEGER PRIMARY KEY,\n" /* Test number */ " op TEXT,\n" /* Operator: memo run */ " cmd TEXT,\n" /* Command text */ " ans TEXT\n" /* Desired answer */ ");" "CREATE TEMP TABLE [_shell$self](op,cmd,ans);\n" "INSERT INTO [_shell$self](rowid,op,cmd)\n" " VALUES(coalesce((SELECT (max(tno)+100)/10 FROM selftest),10),\n" " 'memo','Tests generated by --init');\n" "INSERT INTO [_shell$self]\n" " SELECT 'run',\n" " 'SELECT hex(sha3_query(''SELECT type,name,tbl_name,sql " "FROM sqlite_schema ORDER BY 2'',224))',\n" " hex(sha3_query('SELECT type,name,tbl_name,sql " "FROM sqlite_schema ORDER BY 2',224));\n" "INSERT INTO [_shell$self]\n" " SELECT 'run'," " 'SELECT hex(sha3_query(''SELECT * FROM \"' ||" " printf('%w',name) || '\" NOT INDEXED'',224))',\n" " hex(sha3_query(printf('SELECT * FROM \"%w\" NOT INDEXED',name),224))\n" " FROM (\n" " SELECT name FROM sqlite_schema\n" " WHERE type='table'\n" " AND name<>'selftest'\n" " AND coalesce(rootpage,0)>0\n" " )\n" " ORDER BY name;\n" "INSERT INTO [_shell$self]\n" " VALUES('run','PRAGMA integrity_check','ok');\n" "INSERT INTO selftest(tno,op,cmd,ans)" " SELECT rowid*10,op,cmd,ans FROM [_shell$self];\n" "DROP TABLE [_shell$self];" ,0,0,&zErrMsg); if( zErrMsg ){ sqlite3_fprintf(stderr, "SELFTEST initialization failure: %s\n", zErrMsg); sqlite3_free(zErrMsg); } sqlite3_exec(p->db, "RELEASE selftest_init",0,0,0); } /* ** Set the destination table field of the ShellState structure to ** the name of the table given. Escape any quote characters in the ** table name. */ static void set_table_name(ShellState *p, const char *zName){ if( p->zDestTable ){ sqlite3_free(p->zDestTable); p->zDestTable = 0; } if( zName==0 ) return; if( quoteChar(zName) ){ p->zDestTable = sqlite3_mprintf("\"%w\"", zName); }else{ p->zDestTable = sqlite3_mprintf("%s", zName); } shell_check_oom(p->zDestTable); } /* ** Maybe construct two lines of text that point out the position of a ** syntax error. Return a pointer to the text, in memory obtained from ** sqlite3_malloc(). Or, if the most recent error does not involve a ** specific token that we can point to, return an empty string. ** ** In all cases, the memory returned is obtained from sqlite3_malloc64() ** and should be released by the caller invoking sqlite3_free(). */ static char *shell_error_context(const char *zSql, sqlite3 *db){ int iOffset; size_t len; char *zCode; char *zMsg; int i; if( db==0 || zSql==0 || (iOffset = sqlite3_error_offset(db))<0 || iOffset>=(int)strlen(zSql) ){ return sqlite3_mprintf(""); } while( iOffset>50 ){ iOffset--; zSql++; while( (zSql[0]&0xc0)==0x80 ){ zSql++; iOffset--; } } len = strlen(zSql); if( len>78 ){ len = 78; while( len>0 && (zSql[len]&0xc0)==0x80 ) len--; } zCode = sqlite3_mprintf("%.*s", len, zSql); shell_check_oom(zCode); for(i=0; zCode[i]; i++){ if( IsSpace(zSql[i]) ) zCode[i] = ' '; } if( iOffset<25 ){ zMsg = sqlite3_mprintf("\n %z\n %*s^--- error here", zCode,iOffset,""); }else{ zMsg = sqlite3_mprintf("\n %z\n %*serror here ---^", zCode,iOffset-14,""); } return zMsg; } /* ** Execute a query statement that will generate SQL output. Print ** the result columns, comma-separated, on a line and then add a ** semicolon terminator to the end of that line. ** ** If the number of columns is 1 and that column contains text "--" ** then write the semicolon on a separate line. That way, if a ** "--" comment occurs at the end of the statement, the comment ** won't consume the semicolon terminator. */ static int run_table_dump_query( ShellState *p, /* Query context */ const char *zSelect /* SELECT statement to extract content */ ){ sqlite3_stmt *pSelect; int rc; int nResult; int i; const char *z; rc = sqlite3_prepare_v2(p->db, zSelect, -1, &pSelect, 0); if( rc!=SQLITE_OK || !pSelect ){ char *zContext = shell_error_context(zSelect, p->db); sqlite3_fprintf(p->out, "/**** ERROR: (%d) %s *****/\n%s", rc, sqlite3_errmsg(p->db), zContext); sqlite3_free(zContext); if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++; return rc; } rc = sqlite3_step(pSelect); nResult = sqlite3_column_count(pSelect); while( rc==SQLITE_ROW ){ z = (const char*)sqlite3_column_text(pSelect, 0); sqlite3_fprintf(p->out, "%s", z); for(i=1; i<nResult; i++){ sqlite3_fprintf(p->out, ",%s", sqlite3_column_text(pSelect, i)); } if( z==0 ) z = ""; while( z[0] && (z[0]!='-' || z[1]!='-') ) z++; if( z[0] ){ sqlite3_fputs("\n;\n", p->out); }else{ sqlite3_fputs(";\n", p->out); } rc = sqlite3_step(pSelect); } rc = sqlite3_finalize(pSelect); if( rc!=SQLITE_OK ){ sqlite3_fprintf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, sqlite3_errmsg(p->db)); if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++; } return rc; } /* ** Allocate space and save off string indicating current error. */ static char *save_err_msg( sqlite3 *db, /* Database to query */ const char *zPhase, /* When the error occurs */ int rc, /* Error code returned from API */ const char *zSql /* SQL string, or NULL */ ){ char *zErr; char *zContext; sqlite3_str *pStr = sqlite3_str_new(0); sqlite3_str_appendf(pStr, "%s, %s", zPhase, sqlite3_errmsg(db)); if( rc>1 ){ sqlite3_str_appendf(pStr, " (%d)", rc); } zContext = shell_error_context(zSql, db); if( zContext ){ sqlite3_str_appendall(pStr, zContext); sqlite3_free(zContext); } zErr = sqlite3_str_finish(pStr); shell_check_oom(zErr); return zErr; } #ifdef __linux__ /* ** Attempt to display I/O stats on Linux using /proc/PID/io */ static void displayLinuxIoStats(FILE *out){ FILE *in; char z[200]; sqlite3_snprintf(sizeof(z), z, "/proc/%d/io", getpid()); in = sqlite3_fopen(z, "rb"); if( in==0 ) return; while( sqlite3_fgets(z, sizeof(z), in)!=0 ){ static const struct { const char *zPattern; const char *zDesc; } aTrans[] = { { "rchar: ", "Bytes received by read():" }, { "wchar: ", "Bytes sent to write():" }, { "syscr: ", "Read() system calls:" }, { "syscw: ", "Write() system calls:" }, { "read_bytes: ", "Bytes read from storage:" }, { "write_bytes: ", "Bytes written to storage:" }, { "cancelled_write_bytes: ", "Cancelled write bytes:" }, }; int i; for(i=0; i<ArraySize(aTrans); i++){ int n = strlen30(aTrans[i].zPattern); if( cli_strncmp(aTrans[i].zPattern, z, n)==0 ){ sqlite3_fprintf(out, "%-36s %s", aTrans[i].zDesc, &z[n]); break; } } } fclose(in); } #endif /* ** Display a single line of status using 64-bit values. */ static void displayStatLine( FILE *out, /* Write to this channel */ char *zLabel, /* Label for this one line */ char *zFormat, /* Format for the result */ int iStatusCtrl, /* Which status to display */ int bReset /* True to reset the stats */ ){ sqlite3_int64 iCur = -1; sqlite3_int64 iHiwtr = -1; int i, nPercent; char zLine[200]; sqlite3_status64(iStatusCtrl, &iCur, &iHiwtr, bReset); for(i=0, nPercent=0; zFormat[i]; i++){ if( zFormat[i]=='%' ) nPercent++; } if( nPercent>1 ){ sqlite3_snprintf(sizeof(zLine), zLine, zFormat, iCur, iHiwtr); }else{ sqlite3_snprintf(sizeof(zLine), zLine, zFormat, iHiwtr); } sqlite3_fprintf(out, "%-36s %s\n", zLabel, zLine); } /* ** Display memory stats. */ static int display_stats( sqlite3 *db, /* Database to query */ ShellState *pArg, /* Pointer to ShellState */ int bReset /* True to reset the stats */ ){ int iCur, iHiwtr; sqlite3_int64 iCur64, iHiwtr64; FILE *out; if( pArg==0 || pArg->out==0 ) return 0; out = pArg->out; if( pArg->pStmt && pArg->statsOn==2 ){ int nCol, i, x; sqlite3_stmt *pStmt = pArg->pStmt; char z[100]; nCol = sqlite3_column_count(pStmt); sqlite3_fprintf(out, "%-36s %d\n", "Number of output columns:", nCol); for(i=0; i<nCol; i++){ sqlite3_snprintf(sizeof(z),z,"Column %d %nname:", i, &x); sqlite3_fprintf(out, "%-36s %s\n", z, sqlite3_column_name(pStmt,i)); #ifndef SQLITE_OMIT_DECLTYPE sqlite3_snprintf(30, z+x, "declared type:"); sqlite3_fprintf(out, "%-36s %s\n", z, sqlite3_column_decltype(pStmt, i)); #endif #ifdef SQLITE_ENABLE_COLUMN_METADATA sqlite3_snprintf(30, z+x, "database name:"); sqlite3_fprintf(out, "%-36s %s\n", z, sqlite3_column_database_name(pStmt,i)); sqlite3_snprintf(30, z+x, "table name:"); sqlite3_fprintf(out, "%-36s %s\n", z, sqlite3_column_table_name(pStmt,i)); sqlite3_snprintf(30, z+x, "origin name:"); sqlite3_fprintf(out, "%-36s %s\n", z,sqlite3_column_origin_name(pStmt,i)); #endif } } if( pArg->statsOn==3 ){ if( pArg->pStmt ){ iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP,bReset); sqlite3_fprintf(out, "VM-steps: %d\n", iCur); } return 0; } displayStatLine(out, "Memory Used:", "%lld (max %lld) bytes", SQLITE_STATUS_MEMORY_USED, bReset); displayStatLine(out, "Number of Outstanding Allocations:", "%lld (max %lld)", SQLITE_STATUS_MALLOC_COUNT, bReset); if( pArg->shellFlgs & SHFLG_Pagecache ){ displayStatLine(out, "Number of Pcache Pages Used:", "%lld (max %lld) pages", SQLITE_STATUS_PAGECACHE_USED, bReset); } displayStatLine(out, "Number of Pcache Overflow Bytes:", "%lld (max %lld) bytes", SQLITE_STATUS_PAGECACHE_OVERFLOW, bReset); displayStatLine(out, "Largest Allocation:", "%lld bytes", SQLITE_STATUS_MALLOC_SIZE, bReset); displayStatLine(out, "Largest Pcache Allocation:", "%lld bytes", SQLITE_STATUS_PAGECACHE_SIZE, bReset); #ifdef YYTRACKMAXSTACKDEPTH displayStatLine(out, "Deepest Parser Stack:", "%lld (max %lld)", SQLITE_STATUS_PARSER_STACK, bReset); #endif if( db ){ if( pArg->shellFlgs & SHFLG_Lookaside ){ iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Lookaside Slots Used: %d (max %d)\n", iCur, iHiwtr); sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Successful lookaside attempts: %d\n", iHiwtr); sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Lookaside failures due to size: %d\n", iHiwtr); sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Lookaside failures due to OOM: %d\n", iHiwtr); } iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Pager Heap Usage: %d bytes\n", iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1); sqlite3_fprintf(out, "Page cache hits: %d\n", iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1); sqlite3_fprintf(out, "Page cache misses: %d\n", iCur); iHiwtr64 = iCur64 = -1; sqlite3_db_status64(db, SQLITE_DBSTATUS_TEMPBUF_SPILL, &iCur64, &iHiwtr64, 0); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1); sqlite3_fprintf(out, "Page cache writes: %d\n", iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_SPILL, &iCur, &iHiwtr, 1); sqlite3_fprintf(out, "Page cache spills: %d\n", iCur); sqlite3_fprintf(out, "Temporary data spilled to disk: %lld\n", iCur64); sqlite3_db_status64(db, SQLITE_DBSTATUS_TEMPBUF_SPILL, &iCur64, &iHiwtr64, 1); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Schema Heap Usage: %d bytes\n", iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset); sqlite3_fprintf(out, "Statement Heap/Lookaside Usage: %d bytes\n", iCur); } if( pArg->pStmt ){ int iHit, iMiss; iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP, bReset); sqlite3_fprintf(out, "Fullscan Steps: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset); sqlite3_fprintf(out, "Sort Operations: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset); sqlite3_fprintf(out, "Autoindex Inserts: %d\n", iCur); iHit = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FILTER_HIT, bReset); iMiss = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FILTER_MISS, bReset); if( iHit || iMiss ){ sqlite3_fprintf(out, "Bloom filter bypass taken: %d/%d\n", iHit, iHit+iMiss); } iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset); sqlite3_fprintf(out, "Virtual Machine Steps: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE,bReset); sqlite3_fprintf(out, "Reprepare operations: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset); sqlite3_fprintf(out, "Number of times run: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset); sqlite3_fprintf(out, "Memory used by prepared stmt: %d\n", iCur); } #ifdef __linux__ displayLinuxIoStats(pArg->out); #endif /* Do not remove this machine readable comment: extra-stats-output-here */ return 0; } #ifdef SQLITE_ENABLE_STMT_SCANSTATUS static int scanStatsHeight(sqlite3_stmt *p, int iEntry){ int iPid = 0; int ret = 1; sqlite3_stmt_scanstatus_v2(p, iEntry, SQLITE_SCANSTAT_SELECTID, SQLITE_SCANSTAT_COMPLEX, (void*)&iPid ); while( iPid!=0 ){ int ii; for(ii=0; 1; ii++){ int iId; int res; res = sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_SELECTID, SQLITE_SCANSTAT_COMPLEX, (void*)&iId ); if( res ) break; if( iId==iPid ){ sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_PARENTID, SQLITE_SCANSTAT_COMPLEX, (void*)&iPid ); } } ret++; } return ret; } #endif #ifdef SQLITE_ENABLE_STMT_SCANSTATUS static void display_explain_scanstats( sqlite3 *db, /* Database to query */ ShellState *pArg /* Pointer to ShellState */ ){ static const int f = SQLITE_SCANSTAT_COMPLEX; sqlite3_stmt *p = pArg->pStmt; int ii = 0; i64 nTotal = 0; int nWidth = 0; eqp_reset(pArg); for(ii=0; 1; ii++){ const char *z = 0; int n = 0; if( sqlite3_stmt_scanstatus_v2(p,ii,SQLITE_SCANSTAT_EXPLAIN,f,(void*)&z) ){ break; } n = (int)strlen(z) + scanStatsHeight(p, ii)*3; if( n>nWidth ) nWidth = n; } nWidth += 4; sqlite3_stmt_scanstatus_v2(p, -1, SQLITE_SCANSTAT_NCYCLE, f, (void*)&nTotal); for(ii=0; 1; ii++){ i64 nLoop = 0; i64 nRow = 0; i64 nCycle = 0; int iId = 0; int iPid = 0; const char *zo = 0; const char *zName = 0; char *zText = 0; double rEst = 0.0; if( sqlite3_stmt_scanstatus_v2(p,ii,SQLITE_SCANSTAT_EXPLAIN,f,(void*)&zo) ){ break; } sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_EST,f,(void*)&rEst); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_NLOOP,f,(void*)&nLoop); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_NVISIT,f,(void*)&nRow); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_NCYCLE,f,(void*)&nCycle); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_SELECTID,f,(void*)&iId); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_PARENTID,f,(void*)&iPid); sqlite3_stmt_scanstatus_v2(p, ii, SQLITE_SCANSTAT_NAME,f,(void*)&zName); zText = sqlite3_mprintf("%s", zo); if( nCycle>=0 || nLoop>=0 || nRow>=0 ){ char *z = 0; if( nCycle>=0 && nTotal>0 ){ z = sqlite3_mprintf("%zcycles=%lld [%d%%]", z, nCycle, ((nCycle*100)+nTotal/2) / nTotal ); } if( nLoop>=0 ){ z = sqlite3_mprintf("%z%sloops=%lld", z, z ? " " : "", nLoop); } if( nRow>=0 ){ z = sqlite3_mprintf("%z%srows=%lld", z, z ? " " : "", nRow); } if( zName && pArg->scanstatsOn>1 ){ double rpl = (double)nRow / (double)nLoop; z = sqlite3_mprintf("%z rpl=%.1f est=%.1f", z, rpl, rEst); } zText = sqlite3_mprintf( "% *z (%z)", -1*(nWidth-scanStatsHeight(p, ii)*3), zText, z ); } eqp_append(pArg, iId, iPid, zText); sqlite3_free(zText); } eqp_render(pArg, nTotal); } #endif /* ** Parameter azArray points to a zero-terminated array of strings. zStr ** points to a single nul-terminated string. Return non-zero if zStr ** is equal, according to strcmp(), to any of the strings in the array. ** Otherwise, return zero. */ static int str_in_array(const char *zStr, const char **azArray){ int i; for(i=0; azArray[i]; i++){ if( 0==cli_strcmp(zStr, azArray[i]) ) return 1; } return 0; } /* ** If compiled statement pSql appears to be an EXPLAIN statement, allocate ** and populate the ShellState.aiIndent[] array with the number of ** spaces each opcode should be indented before it is output. ** ** The indenting rules are: ** ** * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent ** all opcodes that occur between the p2 jump destination and the opcode ** itself by 2 spaces. ** ** * Do the previous for "Return" instructions for when P2 is positive. ** See tag-20220407a in wherecode.c and vdbe.c. ** ** * For each "Goto", if the jump destination is earlier in the program ** and ends on one of: ** Yield SeekGt SeekLt RowSetRead Rewind ** or if the P1 parameter is one instead of zero, ** then indent all opcodes between the earlier instruction ** and "Goto" by 2 spaces. */ static void explain_data_prepare(ShellState *p, sqlite3_stmt *pSql){ int *abYield = 0; /* True if op is an OP_Yield */ int nAlloc = 0; /* Allocated size of p->aiIndent[], abYield */ int iOp; /* Index of operation in p->aiIndent[] */ const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext", "Return", 0 }; const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead", "Rewind", 0 }; const char *azGoto[] = { "Goto", 0 }; /* The caller guarantees that the leftmost 4 columns of the statement ** passed to this function are equivalent to the leftmost 4 columns ** of EXPLAIN statement output. In practice the statement may be ** an EXPLAIN, or it may be a query on the bytecode() virtual table. */ assert( sqlite3_column_count(pSql)>=4 ); assert( 0==sqlite3_stricmp( sqlite3_column_name(pSql, 0), "addr" ) ); assert( 0==sqlite3_stricmp( sqlite3_column_name(pSql, 1), "opcode" ) ); assert( 0==sqlite3_stricmp( sqlite3_column_name(pSql, 2), "p1" ) ); assert( 0==sqlite3_stricmp( sqlite3_column_name(pSql, 3), "p2" ) ); for(iOp=0; SQLITE_ROW==sqlite3_step(pSql); iOp++){ int i; int iAddr = sqlite3_column_int(pSql, 0); const char *zOp = (const char*)sqlite3_column_text(pSql, 1); int p1 = sqlite3_column_int(pSql, 2); int p2 = sqlite3_column_int(pSql, 3); /* Assuming that p2 is an instruction address, set variable p2op to the ** index of that instruction in the aiIndent[] array. p2 and p2op may be ** different if the current instruction is part of a sub-program generated ** by an SQL trigger or foreign key. */ int p2op = (p2 + (iOp-iAddr)); /* Grow the p->aiIndent array as required */ if( iOp>=nAlloc ){ nAlloc += 100; p->aiIndent = (int*)sqlite3_realloc64(p->aiIndent, nAlloc*sizeof(int)); shell_check_oom(p->aiIndent); abYield = (int*)sqlite3_realloc64(abYield, nAlloc*sizeof(int)); shell_check_oom(abYield); } abYield[iOp] = str_in_array(zOp, azYield); p->aiIndent[iOp] = 0; p->nIndent = iOp+1; if( str_in_array(zOp, azNext) && p2op>0 ){ for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; } if( str_in_array(zOp, azGoto) && p2op<iOp && (abYield[p2op] || p1) ){ for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; } } p->iIndent = 0; sqlite3_free(abYield); sqlite3_reset(pSql); } /* ** Free the array allocated by explain_data_prepare(). */ static void explain_data_delete(ShellState *p){ sqlite3_free(p->aiIndent); p->aiIndent = 0; p->nIndent = 0; p->iIndent = 0; } static void exec_prepared_stmt(ShellState*, sqlite3_stmt*); /* ** Display scan stats. */ static void display_scanstats( sqlite3 *db, /* Database to query */ ShellState *pArg /* Pointer to ShellState */ ){ #ifndef SQLITE_ENABLE_STMT_SCANSTATUS UNUSED_PARAMETER(db); UNUSED_PARAMETER(pArg); #else if( pArg->scanstatsOn==3 ){ const char *zSql = " SELECT addr, opcode, p1, p2, p3, p4, p5, comment, nexec," " format('% 6s (%.2f%%)'," " CASE WHEN ncycle<100_000 THEN ncycle || ' '" " WHEN ncycle<100_000_000 THEN (ncycle/1_000) || 'K'" " WHEN ncycle<100_000_000_000 THEN (ncycle/1_000_000) || 'M'" " ELSE (ncycle/1000_000_000) || 'G' END," " ncycle*100.0/(sum(ncycle) OVER ())" " ) AS cycles" " FROM bytecode(?)"; int rc = SQLITE_OK; sqlite3_stmt *pStmt = 0; rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); if( rc==SQLITE_OK ){ sqlite3_stmt *pSave = pArg->pStmt; pArg->pStmt = pStmt; sqlite3_bind_pointer(pStmt, 1, pSave, "stmt-pointer", 0); pArg->cnt = 0; pArg->cMode = MODE_ScanExp; explain_data_prepare(pArg, pStmt); exec_prepared_stmt(pArg, pStmt); explain_data_delete(pArg); sqlite3_finalize(pStmt); pArg->pStmt = pSave; } }else{ display_explain_scanstats(db, pArg); } #endif } /* ** Disable and restore .wheretrace and .treetrace/.selecttrace settings. */ static unsigned int savedSelectTrace; static unsigned int savedWhereTrace; static void disable_debug_trace_modes(void){ unsigned int zero = 0; sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 0, &savedSelectTrace); sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 1, &zero); sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 2, &savedWhereTrace); sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 3, &zero); } static void restore_debug_trace_modes(void){ sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 1, &savedSelectTrace); sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 3, &savedWhereTrace); } /* Create the TEMP table used to store parameter bindings */ static void bind_table_init(ShellState *p){ int wrSchema = 0; int defensiveMode = 0; sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, -1, &defensiveMode); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, 0, 0); sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, -1, &wrSchema); sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, 1, 0); sqlite3_exec(p->db, "CREATE TABLE IF NOT EXISTS temp.sqlite_parameters(\n" " key TEXT PRIMARY KEY,\n" " value\n" ") WITHOUT ROWID;", 0, 0, 0); sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, wrSchema, 0); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, defensiveMode, 0); } /* ** Bind parameters on a prepared statement. ** ** Parameter bindings are taken from a TEMP table of the form: ** ** CREATE TEMP TABLE sqlite_parameters(key TEXT PRIMARY KEY, value) ** WITHOUT ROWID; ** ** No bindings occur if this table does not exist. The name of the table ** begins with "sqlite_" so that it will not collide with ordinary application ** tables. The table must be in the TEMP schema. */ static void bind_prepared_stmt(ShellState *pArg, sqlite3_stmt *pStmt){ int nVar; int i; int rc; sqlite3_stmt *pQ = 0; nVar = sqlite3_bind_parameter_count(pStmt); if( nVar==0 ) return; /* Nothing to do */ if( sqlite3_table_column_metadata(pArg->db, "TEMP", "sqlite_parameters", "key", 0, 0, 0, 0, 0)!=SQLITE_OK ){ rc = SQLITE_NOTFOUND; pQ = 0; }else{ rc = sqlite3_prepare_v2(pArg->db, "SELECT value FROM temp.sqlite_parameters" " WHERE key=?1", -1, &pQ, 0); } for(i=1; i<=nVar; i++){ char zNum[30]; const char *zVar = sqlite3_bind_parameter_name(pStmt, i); if( zVar==0 ){ sqlite3_snprintf(sizeof(zNum),zNum,"?%d",i); zVar = zNum; } sqlite3_bind_text(pQ, 1, zVar, -1, SQLITE_STATIC); if( rc==SQLITE_OK && pQ && sqlite3_step(pQ)==SQLITE_ROW ){ sqlite3_bind_value(pStmt, i, sqlite3_column_value(pQ, 0)); #ifdef NAN }else if( sqlite3_strlike("_NAN", zVar, 0)==0 ){ sqlite3_bind_double(pStmt, i, NAN); #endif #ifdef INFINITY }else if( sqlite3_strlike("_INF", zVar, 0)==0 ){ sqlite3_bind_double(pStmt, i, INFINITY); #endif }else if( strncmp(zVar, "$int_", 5)==0 ){ sqlite3_bind_int(pStmt, i, atoi(&zVar[5])); }else if( strncmp(zVar, "$text_", 6)==0 ){ size_t szVar = strlen(zVar); char *zBuf = sqlite3_malloc64( szVar-5 ); if( zBuf ){ memcpy(zBuf, &zVar[6], szVar-5); sqlite3_bind_text64(pStmt, i, zBuf, szVar-6, sqlite3_free, SQLITE_UTF8); } #ifdef SQLITE_ENABLE_CARRAY }else if( strncmp(zVar, "$carray_", 8)==0 ){ static char *azColorNames[] = { "azure", "black", "blue", "brown", "cyan", "fuchsia", "gold", "gray", "green", "indigo", "khaki", "lime", "magenta", "maroon", "navy", "olive", "orange", "pink", "purple", "red", "silver", "tan", "teal", "violet", "white", "yellow" }; static int aPrimes[] = { 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 }; /* Special bindings: carray($carray_clr), carray($carray_primes) ** with --unsafe-testing: carray($carray_clr_p,26,'char*'), ** carray($carray_primes_p,26,'int32') */ if( strcmp(zVar+8,"clr")==0 ){ sqlite3_carray_bind(pStmt,i,azColorNames,26,SQLITE_CARRAY_TEXT,0); }else if( strcmp(zVar+8,"primes")==0 ){ sqlite3_carray_bind(pStmt,i,aPrimes,26,SQLITE_CARRAY_INT32,0); }else if( strcmp(zVar+8,"clr_p")==0 && ShellHasFlag(pArg,SHFLG_TestingMode) ){ sqlite3_bind_pointer(pStmt,i,azColorNames,"carray",0); }else if( strcmp(zVar+8,"primes_p")==0 && ShellHasFlag(pArg,SHFLG_TestingMode) ){ sqlite3_bind_pointer(pStmt,i,aPrimes,"carray",0); }else{ sqlite3_bind_null(pStmt, i); } #endif }else{ sqlite3_bind_null(pStmt, i); } sqlite3_reset(pQ); } sqlite3_finalize(pQ); } /* ** UTF8 box-drawing characters. Imagine box lines like this: ** ** 1 ** | ** 4 --+-- 2 ** | ** 3 ** ** Each box characters has between 2 and 4 of the lines leading from ** the center. The characters are here identified by the numbers of ** their corresponding lines. */ #define BOX_24 "\342\224\200" /* U+2500 --- */ #define BOX_13 "\342\224\202" /* U+2502 | */ #define BOX_23 "\342\224\214" /* U+250c ,- */ #define BOX_34 "\342\224\220" /* U+2510 -, */ #define BOX_12 "\342\224\224" /* U+2514 '- */ #define BOX_14 "\342\224\230" /* U+2518 -' */ #define BOX_123 "\342\224\234" /* U+251c |- */ #define BOX_134 "\342\224\244" /* U+2524 -| */ #define BOX_234 "\342\224\254" /* U+252c -,- */ #define BOX_124 "\342\224\264" /* U+2534 -'- */ #define BOX_1234 "\342\224\274" /* U+253c -|- */ /* Draw horizontal line N characters long using unicode box ** characters */ static void print_box_line(FILE *out, int N){ const char zDash[] = BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24 BOX_24; const int nDash = sizeof(zDash) - 1; N *= 3; while( N>nDash ){ sqlite3_fputs(zDash, out); N -= nDash; } sqlite3_fprintf(out, "%.*s", N, zDash); } /* ** Draw a horizontal separator for a MODE_Box table. */ static void print_box_row_separator( ShellState *p, int nArg, const char *zSep1, const char *zSep2, const char *zSep3 ){ int i; if( nArg>0 ){ sqlite3_fputs(zSep1, p->out); print_box_line(p->out, p->actualWidth[0]+2); for(i=1; i<nArg; i++){ sqlite3_fputs(zSep2, p->out); print_box_line(p->out, p->actualWidth[i]+2); } sqlite3_fputs(zSep3, p->out); } sqlite3_fputs("\n", p->out); } /* ** z[] is a line of text that is to be displayed the .mode box or table or ** similar tabular formats. z[] might contain control characters such ** as \n, \t, \f, or \r. ** ** Compute characters to display on the first line of z[]. Stop at the ** first \r, \n, or \f. Expand \t into spaces. Return a copy (obtained ** from malloc()) of that first line, which caller should free sometime. ** Write anything to display on the next line into *pzTail. If this is ** the last line, write a NULL into *pzTail. (*pzTail is not allocated.) */ static char *translateForDisplayAndDup( ShellState *p, /* To access current settings */ const unsigned char *z, /* Input text to be transformed */ const unsigned char **pzTail, /* OUT: Tail of the input for next line */ int mxWidth, /* Max width. 0 means no limit */ u8 bWordWrap /* If true, avoid breaking mid-word */ ){ int i; /* Input bytes consumed */ int j; /* Output bytes generated */ int k; /* Input bytes to be displayed */ int n; /* Output column number */ unsigned char *zOut; /* Output text */ if( z==0 ){ *pzTail = 0; return 0; } if( mxWidth<0 ) mxWidth = -mxWidth; if( mxWidth==0 ) mxWidth = 1000000; i = j = n = 0; while( n<mxWidth ){ unsigned char c = z[i]; if( c>=0xc0 ){ int u; int len = decodeUtf8(&z[i], &u); i += len; j += len; n += cli_wcwidth(u); continue; } if( c>=' ' ){ n++; i++; j++; continue; } if( c==0 || c=='\n' || (c=='\r' && z[i+1]=='\n') ) break; if( c=='\t' ){ do{ n++; j++; }while( (n&7)!=0 && n<mxWidth ); i++; continue; } if( c==0x1b && p->eEscMode==SHELL_ESC_OFF && (k = isVt100(&z[i]))>0 ){ i += k; j += k; }else{ n++; j += 3; i++; } } if( n>=mxWidth && bWordWrap ){ /* Perhaps try to back up to a better place to break the line */ for(k=i; k>i/2; k--){ if( IsSpace(z[k-1]) ) break; } if( k<=i/2 ){ for(k=i; k>i/2; k--){ if( IsAlnum(z[k-1])!=IsAlnum(z[k]) && (z[k]&0xc0)!=0x80 ) break; } } if( k<=i/2 ){ k = i; }else{ i = k; while( z[i]==' ' ) i++; } }else{ k = i; } if( n>=mxWidth && z[i]>=' ' ){ *pzTail = &z[i]; }else if( z[i]=='\r' && z[i+1]=='\n' ){ *pzTail = z[i+2] ? &z[i+2] : 0; }else if( z[i]==0 || z[i+1]==0 ){ *pzTail = 0; }else{ *pzTail = &z[i+1]; } zOut = malloc( j+1 ); shell_check_oom(zOut); i = j = n = 0; while( i<k ){ unsigned char c = z[i]; if( c>=0xc0 ){ int u; int len = decodeUtf8(&z[i], &u); do{ zOut[j++] = z[i++]; }while( (--len)>0 ); n += cli_wcwidth(u); continue; } if( c>=' ' ){ n++; zOut[j++] = z[i++]; continue; } if( c==0 ) break; if( z[i]=='\t' ){ do{ n++; zOut[j++] = ' '; }while( (n&7)!=0 && n<mxWidth ); i++; continue; } switch( p->eEscMode ){ case SHELL_ESC_SYMBOL: zOut[j++] = 0xe2; zOut[j++] = 0x90; zOut[j++] = 0x80 + c; break; case SHELL_ESC_ASCII: zOut[j++] = '^'; zOut[j++] = 0x40 + c; break; case SHELL_ESC_OFF: { int nn; if( c==0x1b && (nn = isVt100(&z[i]))>0 ){ memcpy(&zOut[j], &z[i], nn); j += nn; i += nn - 1; }else{ zOut[j++] = c; } break; } } i++; } zOut[j] = 0; return (char*)zOut; } /* Return true if the text string z[] contains characters that need ** unistr() escaping. */ static int needUnistr(const unsigned char *z){ unsigned char c; if( z==0 ) return 0; while( (c = *z)>0x1f || c=='\t' || c=='\n' || (c=='\r' && z[1]=='\n') ){ z++; } return c!=0; } /* Extract the value of the i-th current column for pStmt as an SQL literal ** value. Memory is obtained from sqlite3_malloc64() and must be freed by ** the caller. */ static char *quoted_column(sqlite3_stmt *pStmt, int i){ switch( sqlite3_column_type(pStmt, i) ){ case SQLITE_NULL: { return sqlite3_mprintf("NULL"); } case SQLITE_INTEGER: case SQLITE_FLOAT: { return sqlite3_mprintf("%s",sqlite3_column_text(pStmt,i)); } case SQLITE_TEXT: { const unsigned char *zText = sqlite3_column_text(pStmt,i); return sqlite3_mprintf(needUnistr(zText)?"%#Q":"%Q",zText); } case SQLITE_BLOB: { int j; sqlite3_str *pStr = sqlite3_str_new(0); const unsigned char *a = sqlite3_column_blob(pStmt,i); int n = sqlite3_column_bytes(pStmt,i); sqlite3_str_append(pStr, "x'", 2); for(j=0; j<n; j++){ sqlite3_str_appendf(pStr, "%02x", a[j]); } sqlite3_str_append(pStr, "'", 1); return sqlite3_str_finish(pStr); } } return 0; /* Not reached */ } /* ** Run a prepared statement and output the result in one of the ** table-oriented formats: MODE_Column, MODE_Markdown, MODE_Table, ** or MODE_Box. ** ** This is different from ordinary exec_prepared_stmt() in that ** it has to run the entire query and gather the results into memory ** first, in order to determine column widths, before providing ** any output. */ static void exec_prepared_stmt_columnar( ShellState *p, /* Pointer to ShellState */ sqlite3_stmt *pStmt /* Statement to run */ ){ sqlite3_int64 nRow = 0; int nColumn = 0; char **azData = 0; sqlite3_int64 nAlloc = 0; char *abRowDiv = 0; const unsigned char *uz; const char *z; char **azQuoted = 0; int rc; sqlite3_int64 i, nData; int j, nTotal, w, n; const char *colSep = 0; const char *rowSep = 0; const unsigned char **azNextLine = 0; int bNextLine = 0; int bMultiLineRowExists = 0; int bw = p->cmOpts.bWordWrap; const char *zEmpty = ""; const char *zShowNull = p->nullValue; rc = sqlite3_step(pStmt); if( rc!=SQLITE_ROW ) return; nColumn = sqlite3_column_count(pStmt); if( nColumn==0 ) goto columnar_end; nAlloc = nColumn*4; if( nAlloc<=0 ) nAlloc = 1; azData = sqlite3_malloc64( nAlloc*sizeof(char*) ); shell_check_oom(azData); azNextLine = sqlite3_malloc64( nColumn*sizeof(char*) ); shell_check_oom(azNextLine); memset((void*)azNextLine, 0, nColumn*sizeof(char*) ); if( p->cmOpts.bQuote ){ azQuoted = sqlite3_malloc64( nColumn*sizeof(char*) ); shell_check_oom(azQuoted); memset(azQuoted, 0, nColumn*sizeof(char*) ); } abRowDiv = sqlite3_malloc64( nAlloc/nColumn ); shell_check_oom(abRowDiv); if( nColumn>p->nWidth ){ p->colWidth = realloc(p->colWidth, (nColumn+1)*2*sizeof(int)); shell_check_oom(p->colWidth); for(i=p->nWidth; i<nColumn; i++) p->colWidth[i] = 0; p->nWidth = nColumn; p->actualWidth = &p->colWidth[nColumn]; } memset(p->actualWidth, 0, nColumn*sizeof(int)); for(i=0; i<nColumn; i++){ w = p->colWidth[i]; if( w<0 ) w = -w; p->actualWidth[i] = w; } for(i=0; i<nColumn; i++){ const unsigned char *zNotUsed; int wx = p->colWidth[i]; if( wx==0 ){ wx = p->cmOpts.iWrap; } if( wx<0 ) wx = -wx; uz = (const unsigned char*)sqlite3_column_name(pStmt,i); if( uz==0 ) uz = (u8*)""; azData[i] = translateForDisplayAndDup(p, uz, &zNotUsed, wx, bw); } do{ int useNextLine = bNextLine; bNextLine = 0; if( (nRow+2)*nColumn >= nAlloc ){ nAlloc *= 2; azData = sqlite3_realloc64(azData, nAlloc*sizeof(char*)); shell_check_oom(azData); abRowDiv = sqlite3_realloc64(abRowDiv, nAlloc/nColumn); shell_check_oom(abRowDiv); } abRowDiv[nRow] = 1; nRow++; for(i=0; i<nColumn; i++){ int wx = p->colWidth[i]; if( wx==0 ){ wx = p->cmOpts.iWrap; } if( wx<0 ) wx = -wx; if( useNextLine ){ uz = azNextLine[i]; if( uz==0 ) uz = (u8*)zEmpty; }else if( p->cmOpts.bQuote ){ assert( azQuoted!=0 ); sqlite3_free(azQuoted[i]); azQuoted[i] = quoted_column(pStmt,i); uz = (const unsigned char*)azQuoted[i]; }else{ uz = (const unsigned char*)sqlite3_column_text(pStmt,i); if( uz==0 ) uz = (u8*)zShowNull; } azData[nRow*nColumn + i] = translateForDisplayAndDup(p, uz, &azNextLine[i], wx, bw); if( azNextLine[i] ){ bNextLine = 1; abRowDiv[nRow-1] = 0; bMultiLineRowExists = 1; } } }while( bNextLine || sqlite3_step(pStmt)==SQLITE_ROW ); nTotal = nColumn*(nRow+1); for(i=0; i<nTotal; i++){ z = azData[i]; if( z==0 ) z = (char*)zEmpty; n = strlenChar(z); j = i%nColumn; if( n>p->actualWidth[j] ) p->actualWidth[j] = n; } if( seenInterrupt ) goto columnar_end; switch( p->cMode ){ case MODE_Column: { colSep = " "; rowSep = "\n"; if( p->showHeader ){ for(i=0; i<nColumn; i++){ w = p->actualWidth[i]; if( p->colWidth[i]<0 ) w = -w; utf8_width_print(p->out, w, azData[i]); sqlite3_fputs(i==nColumn-1?"\n":" ", p->out); } for(i=0; i<nColumn; i++){ print_dashes(p->out, p->actualWidth[i]); sqlite3_fputs(i==nColumn-1?"\n":" ", p->out); } } break; } case MODE_Table: { colSep = " | "; rowSep = " |\n"; print_row_separator(p, nColumn, "+"); sqlite3_fputs("| ", p->out); for(i=0; i<nColumn; i++){ w = p->actualWidth[i]; n = strlenChar(azData[i]); sqlite3_fprintf(p->out, "%*s%s%*s", (w-n)/2, "", azData[i], (w-n+1)/2, ""); sqlite3_fputs(i==nColumn-1?" |\n":" | ", p->out); } print_row_separator(p, nColumn, "+"); break; } case MODE_Markdown: { colSep = " | "; rowSep = " |\n"; sqlite3_fputs("| ", p->out); for(i=0; i<nColumn; i++){ w = p->actualWidth[i]; n = strlenChar(azData[i]); sqlite3_fprintf(p->out, "%*s%s%*s", (w-n)/2, "", azData[i], (w-n+1)/2, ""); sqlite3_fputs(i==nColumn-1?" |\n":" | ", p->out); } print_row_separator(p, nColumn, "|"); break; } case MODE_Box: { colSep = " " BOX_13 " "; rowSep = " " BOX_13 "\n"; print_box_row_separator(p, nColumn, BOX_23, BOX_234, BOX_34); sqlite3_fputs(BOX_13 " ", p->out); for(i=0; i<nColumn; i++){ w = p->actualWidth[i]; n = strlenChar(azData[i]); sqlite3_fprintf(p->out, "%*s%s%*s%s", (w-n)/2, "", azData[i], (w-n+1)/2, "", i==nColumn-1?" "BOX_13"\n":" "BOX_13" "); } print_box_row_separator(p, nColumn, BOX_123, BOX_1234, BOX_134); break; } } for(i=nColumn, j=0; i<nTotal; i++, j++){ if( j==0 && p->cMode!=MODE_Column ){ sqlite3_fputs(p->cMode==MODE_Box?BOX_13" ":"| ", p->out); } z = azData[i]; if( z==0 ) z = p->nullValue; w = p->actualWidth[j]; if( p->colWidth[j]<0 ) w = -w; utf8_width_print(p->out, w, z); if( j==nColumn-1 ){ sqlite3_fputs(rowSep, p->out); if( bMultiLineRowExists && abRowDiv[i/nColumn-1] && i+1<nTotal ){ if( p->cMode==MODE_Table ){ print_row_separator(p, nColumn, "+"); }else if( p->cMode==MODE_Box ){ print_box_row_separator(p, nColumn, BOX_123, BOX_1234, BOX_134); }else if( p->cMode==MODE_Column ){ sqlite3_fputs("\n", p->out); } } j = -1; if( seenInterrupt ) goto columnar_end; }else{ sqlite3_fputs(colSep, p->out); } } if( p->cMode==MODE_Table ){ print_row_separator(p, nColumn, "+"); }else if( p->cMode==MODE_Box ){ print_box_row_separator(p, nColumn, BOX_12, BOX_124, BOX_14); } columnar_end: if( seenInterrupt ){ sqlite3_fputs("Interrupt\n", p->out); } nData = (nRow+1)*nColumn; for(i=0; i<nData; i++){ z = azData[i]; if( z!=zEmpty && z!=zShowNull ) free(azData[i]); } sqlite3_free(azData); sqlite3_free((void*)azNextLine); sqlite3_free(abRowDiv); if( azQuoted ){ for(i=0; i<nColumn; i++) sqlite3_free(azQuoted[i]); sqlite3_free(azQuoted); } } /* ** Run a prepared statement */ static void exec_prepared_stmt( ShellState *pArg, /* Pointer to ShellState */ sqlite3_stmt *pStmt /* Statement to run */ ){ int rc; sqlite3_uint64 nRow = 0; if( pArg->cMode==MODE_Column || pArg->cMode==MODE_Table || pArg->cMode==MODE_Box || pArg->cMode==MODE_Markdown ){ exec_prepared_stmt_columnar(pArg, pStmt); return; } /* perform the first step. this will tell us if we ** have a result set or not and how wide it is. */ rc = sqlite3_step(pStmt); /* if we have a result set... */ if( SQLITE_ROW == rc ){ /* allocate space for col name ptr, value ptr, and type */ int nCol = sqlite3_column_count(pStmt); void *pData = sqlite3_malloc64(3*nCol*sizeof(const char*) + 1); if( !pData ){ shell_out_of_memory(); }else{ char **azCols = (char **)pData; /* Names of result columns */ char **azVals = &azCols[nCol]; /* Results */ int *aiTypes = (int *)&azVals[nCol]; /* Result types */ int i, x; assert(sizeof(int) <= sizeof(char *)); /* save off ptrs to column names */ for(i=0; i<nCol; i++){ azCols[i] = (char *)sqlite3_column_name(pStmt, i); } do{ nRow++; /* extract the data and data types */ for(i=0; i<nCol; i++){ aiTypes[i] = x = sqlite3_column_type(pStmt, i); if( x==SQLITE_BLOB && pArg && (pArg->cMode==MODE_Insert || pArg->cMode==MODE_Quote) ){ azVals[i] = ""; }else{ azVals[i] = (char*)sqlite3_column_text(pStmt, i); } if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){ rc = SQLITE_NOMEM; break; /* from for */ } } /* end for */ /* if data and types extracted successfully... */ if( SQLITE_ROW == rc ){ /* call the supplied callback with the result row data */ if( shell_callback(pArg, nCol, azVals, azCols, aiTypes) ){ rc = SQLITE_ABORT; }else{ rc = sqlite3_step(pStmt); } } } while( SQLITE_ROW == rc ); sqlite3_free(pData); if( pArg->cMode==MODE_Json ){ sqlite3_fputs("]\n", pArg->out); }else if( pArg->cMode==MODE_Www ){ sqlite3_fputs("</TABLE>\n<PRE>\n", pArg->out); }else if( pArg->cMode==MODE_Count ){ char zBuf[200]; sqlite3_snprintf(sizeof(zBuf), zBuf, "%llu row%s\n", nRow, nRow!=1 ? "s" : ""); printf("%s", zBuf); } } } } #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) /* ** This function is called to process SQL if the previous shell command ** was ".expert". It passes the SQL in the second argument directly to ** the sqlite3expert object. ** ** If successful, SQLITE_OK is returned. Otherwise, an SQLite error ** code. In this case, (*pzErr) may be set to point to a buffer containing ** an English language error message. It is the responsibility of the ** caller to eventually free this buffer using sqlite3_free(). */ static int expertHandleSQL( ShellState *pState, const char *zSql, char **pzErr ){ assert( pState->expert.pExpert ); assert( pzErr==0 || *pzErr==0 ); return sqlite3_expert_sql(pState->expert.pExpert, zSql, pzErr); } /* ** This function is called either to silently clean up the object ** created by the ".expert" command (if bCancel==1), or to generate a ** report from it and then clean it up (if bCancel==0). ** ** If successful, SQLITE_OK is returned. Otherwise, an SQLite error ** code. In this case, (*pzErr) may be set to point to a buffer containing ** an English language error message. It is the responsibility of the ** caller to eventually free this buffer using sqlite3_free(). */ static int expertFinish( ShellState *pState, int bCancel, char **pzErr ){ int rc = SQLITE_OK; sqlite3expert *p = pState->expert.pExpert; FILE *out = pState->out; assert( p ); assert( bCancel || pzErr==0 || *pzErr==0 ); if( bCancel==0 ){ int bVerbose = pState->expert.bVerbose; rc = sqlite3_expert_analyze(p, pzErr); if( rc==SQLITE_OK ){ int nQuery = sqlite3_expert_count(p); int i; if( bVerbose ){ const char *zCand = sqlite3_expert_report(p,0,EXPERT_REPORT_CANDIDATES); sqlite3_fputs("-- Candidates -----------------------------\n", out); sqlite3_fprintf(out, "%s\n", zCand); } for(i=0; i<nQuery; i++){ const char *zSql = sqlite3_expert_report(p, i, EXPERT_REPORT_SQL); const char *zIdx = sqlite3_expert_report(p, i, EXPERT_REPORT_INDEXES); const char *zEQP = sqlite3_expert_report(p, i, EXPERT_REPORT_PLAN); if( zIdx==0 ) zIdx = "(no new indexes)\n"; if( bVerbose ){ sqlite3_fprintf(out, "-- Query %d --------------------------------\n" "%s\n\n" ,i+1, zSql); } sqlite3_fprintf(out, "%s\n%s\n", zIdx, zEQP); } } } sqlite3_expert_destroy(p); pState->expert.pExpert = 0; return rc; } /* ** Implementation of ".expert" dot command. */ static int expertDotCommand( ShellState *pState, /* Current shell tool state */ char **azArg, /* Array of arguments passed to dot command */ int nArg /* Number of entries in azArg[] */ ){ int rc = SQLITE_OK; char *zErr = 0; int i; int iSample = 0; assert( pState->expert.pExpert==0 ); memset(&pState->expert, 0, sizeof(ExpertInfo)); for(i=1; rc==SQLITE_OK && i<nArg; i++){ char *z = azArg[i]; int n; if( z[0]=='-' && z[1]=='-' ) z++; n = strlen30(z); if( n>=2 && 0==cli_strncmp(z, "-verbose", n) ){ pState->expert.bVerbose = 1; } else if( n>=2 && 0==cli_strncmp(z, "-sample", n) ){ if( i==(nArg-1) ){ sqlite3_fprintf(stderr, "option requires an argument: %s\n", z); rc = SQLITE_ERROR; }else{ iSample = (int)integerValue(azArg[++i]); if( iSample<0 || iSample>100 ){ sqlite3_fprintf(stderr,"value out of range: %s\n", azArg[i]); rc = SQLITE_ERROR; } } } else{ sqlite3_fprintf(stderr,"unknown option: %s\n", z); rc = SQLITE_ERROR; } } if( rc==SQLITE_OK ){ pState->expert.pExpert = sqlite3_expert_new(pState->db, &zErr); if( pState->expert.pExpert==0 ){ sqlite3_fprintf(stderr, "sqlite3_expert_new: %s\n", zErr ? zErr : "out of memory"); rc = SQLITE_ERROR; }else{ sqlite3_expert_config( pState->expert.pExpert, EXPERT_CONFIG_SAMPLE, iSample ); } } sqlite3_free(zErr); return rc; } #endif /* !SQLITE_OMIT_VIRTUALTABLE && !SQLITE_OMIT_AUTHORIZATION */ /* ** Execute a statement or set of statements. Print ** any result rows/columns depending on the current mode ** set via the supplied callback. ** ** This is very similar to SQLite's built-in sqlite3_exec() ** function except it takes a slightly different callback ** and callback data argument. */ static int shell_exec( ShellState *pArg, /* Pointer to ShellState */ const char *zSql, /* SQL to be evaluated */ char **pzErrMsg /* Error msg written here */ ){ sqlite3_stmt *pStmt = NULL; /* Statement to execute. */ int rc = SQLITE_OK; /* Return Code */ int rc2; const char *zLeftover; /* Tail of unprocessed SQL */ sqlite3 *db = pArg->db; if( pzErrMsg ){ *pzErrMsg = NULL; } #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) if( pArg->expert.pExpert ){ rc = expertHandleSQL(pArg, zSql, pzErrMsg); return expertFinish(pArg, (rc!=SQLITE_OK), pzErrMsg); } #endif while( zSql[0] && (SQLITE_OK == rc) ){ static const char *zStmtSql; rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover); if( SQLITE_OK != rc ){ if( pzErrMsg ){ *pzErrMsg = save_err_msg(db, "in prepare", rc, zSql); } }else{ if( !pStmt ){ /* this happens for a comment or white-space */ zSql = zLeftover; while( IsSpace(zSql[0]) ) zSql++; continue; } zStmtSql = sqlite3_sql(pStmt); if( zStmtSql==0 ) zStmtSql = ""; while( IsSpace(zStmtSql[0]) ) zStmtSql++; /* save off the prepared statement handle and reset row count */ if( pArg ){ pArg->pStmt = pStmt; pArg->cnt = 0; } /* Show the EXPLAIN QUERY PLAN if .eqp is on */ if( pArg && pArg->autoEQP && sqlite3_stmt_isexplain(pStmt)==0 ){ sqlite3_stmt *pExplain; int triggerEQP = 0; disable_debug_trace_modes(); sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, -1, &triggerEQP); if( pArg->autoEQP>=AUTOEQP_trigger ){ sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 1, 0); } pExplain = pStmt; sqlite3_reset(pExplain); rc = sqlite3_stmt_explain(pExplain, 2); if( rc==SQLITE_OK ){ bind_prepared_stmt(pArg, pExplain); while( sqlite3_step(pExplain)==SQLITE_ROW ){ const char *zEQPLine = (const char*)sqlite3_column_text(pExplain,3); int iEqpId = sqlite3_column_int(pExplain, 0); int iParentId = sqlite3_column_int(pExplain, 1); if( zEQPLine==0 ) zEQPLine = ""; if( zEQPLine[0]=='-' ) eqp_render(pArg, 0); eqp_append(pArg, iEqpId, iParentId, zEQPLine); } eqp_render(pArg, 0); } if( pArg->autoEQP>=AUTOEQP_full ){ /* Also do an EXPLAIN for ".eqp full" mode */ sqlite3_reset(pExplain); rc = sqlite3_stmt_explain(pExplain, 1); if( rc==SQLITE_OK ){ pArg->cMode = MODE_Explain; assert( sqlite3_stmt_isexplain(pExplain)==1 ); bind_prepared_stmt(pArg, pExplain); explain_data_prepare(pArg, pExplain); exec_prepared_stmt(pArg, pExplain); explain_data_delete(pArg); } } if( pArg->autoEQP>=AUTOEQP_trigger && triggerEQP==0 ){ sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 0, 0); } sqlite3_reset(pStmt); sqlite3_stmt_explain(pStmt, 0); restore_debug_trace_modes(); } if( pArg ){ int bIsExplain = (sqlite3_stmt_isexplain(pStmt)==1); pArg->cMode = pArg->mode; if( pArg->autoExplain ){ if( bIsExplain ){ pArg->cMode = MODE_Explain; } if( sqlite3_stmt_isexplain(pStmt)==2 ){ pArg->cMode = MODE_EQP; } } /* If the shell is currently in ".explain" mode, gather the extra ** data required to add indents to the output.*/ if( pArg->cMode==MODE_Explain && bIsExplain ){ explain_data_prepare(pArg, pStmt); } } bind_prepared_stmt(pArg, pStmt); exec_prepared_stmt(pArg, pStmt); explain_data_delete(pArg); eqp_render(pArg, 0); /* print usage stats if stats on */ if( pArg && pArg->statsOn ){ display_stats(db, pArg, 0); } /* print loop-counters if required */ if( pArg && pArg->scanstatsOn ){ display_scanstats(db, pArg); } /* Finalize the statement just executed. If this fails, save a ** copy of the error message. Otherwise, set zSql to point to the ** next statement to execute. */ rc2 = sqlite3_finalize(pStmt); if( rc!=SQLITE_NOMEM ) rc = rc2; if( rc==SQLITE_OK ){ zSql = zLeftover; while( IsSpace(zSql[0]) ) zSql++; }else if( pzErrMsg ){ *pzErrMsg = save_err_msg(db, "stepping", rc, 0); } /* clear saved stmt handle */ if( pArg ){ pArg->pStmt = NULL; } } } /* end while */ return rc; } /* ** Release memory previously allocated by tableColumnList(). */ static void freeColumnList(char **azCol){ int i; for(i=1; azCol[i]; i++){ sqlite3_free(azCol[i]); } /* azCol[0] is a static string */ sqlite3_free(azCol); } /* ** Return a list of pointers to strings which are the names of all ** columns in table zTab. The memory to hold the names is dynamically ** allocated and must be released by the caller using a subsequent call ** to freeColumnList(). ** ** The azCol[0] entry is usually NULL. However, if zTab contains a rowid ** value that needs to be preserved, then azCol[0] is filled in with the ** name of the rowid column. ** ** The first regular column in the table is azCol[1]. The list is terminated ** by an entry with azCol[i]==0. */ static char **tableColumnList(ShellState *p, const char *zTab){ char **azCol = 0; sqlite3_stmt *pStmt; char *zSql; int nCol = 0; i64 nAlloc = 0; int nPK = 0; /* Number of PRIMARY KEY columns seen */ int isIPK = 0; /* True if one PRIMARY KEY column of type INTEGER */ int preserveRowid = ShellHasFlag(p, SHFLG_PreserveRowid); int rc; zSql = sqlite3_mprintf("PRAGMA table_info=%Q", zTab); shell_check_oom(zSql); rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rc ) return 0; while( sqlite3_step(pStmt)==SQLITE_ROW ){ if( nCol>=nAlloc-2 ){ nAlloc = nAlloc*2 + nCol + 10; azCol = sqlite3_realloc64(azCol, nAlloc*sizeof(azCol[0])); shell_check_oom(azCol); } azCol[++nCol] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 1)); shell_check_oom(azCol[nCol]); if( sqlite3_column_int(pStmt, 5) ){ nPK++; if( nPK==1 && sqlite3_stricmp((const char*)sqlite3_column_text(pStmt,2), "INTEGER")==0 ){ isIPK = 1; }else{ isIPK = 0; } } } sqlite3_finalize(pStmt); if( azCol==0 ) return 0; azCol[0] = 0; azCol[nCol+1] = 0; /* The decision of whether or not a rowid really needs to be preserved ** is tricky. We never need to preserve a rowid for a WITHOUT ROWID table ** or a table with an INTEGER PRIMARY KEY. We are unable to preserve ** rowids on tables where the rowid is inaccessible because there are other ** columns in the table named "rowid", "_rowid_", and "oid". */ if( preserveRowid && isIPK ){ /* If a single PRIMARY KEY column with type INTEGER was seen, then it ** might be an alias for the ROWID. But it might also be a WITHOUT ROWID ** table or a INTEGER PRIMARY KEY DESC column, neither of which are ** ROWID aliases. To distinguish these cases, check to see if ** there is a "pk" entry in "PRAGMA index_list". There will be ** no "pk" index if the PRIMARY KEY really is an alias for the ROWID. */ zSql = sqlite3_mprintf("SELECT 1 FROM pragma_index_list(%Q)" " WHERE origin='pk'", zTab); shell_check_oom(zSql); rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rc ){ freeColumnList(azCol); return 0; } rc = sqlite3_step(pStmt); sqlite3_finalize(pStmt); preserveRowid = rc==SQLITE_ROW; } if( preserveRowid ){ /* Only preserve the rowid if we can find a name to use for the ** rowid */ static char *azRowid[] = { "rowid", "_rowid_", "oid" }; int i, j; for(j=0; j<3; j++){ for(i=1; i<=nCol; i++){ if( sqlite3_stricmp(azRowid[j],azCol[i])==0 ) break; } if( i>nCol ){ /* At this point, we know that azRowid[j] is not the name of any ** ordinary column in the table. Verify that azRowid[j] is a valid ** name for the rowid before adding it to azCol[0]. WITHOUT ROWID ** tables will fail this last check */ rc = sqlite3_table_column_metadata(p->db,0,zTab,azRowid[j],0,0,0,0,0); if( rc==SQLITE_OK ) azCol[0] = azRowid[j]; break; } } } return azCol; } /* ** Toggle the reverse_unordered_selects setting. */ static void toggleSelectOrder(sqlite3 *db){ sqlite3_stmt *pStmt = 0; int iSetting = 0; char zStmt[100]; sqlite3_prepare_v2(db, "PRAGMA reverse_unordered_selects", -1, &pStmt, 0); if( sqlite3_step(pStmt)==SQLITE_ROW ){ iSetting = sqlite3_column_int(pStmt, 0); } sqlite3_finalize(pStmt); sqlite3_snprintf(sizeof(zStmt), zStmt, "PRAGMA reverse_unordered_selects(%d)", !iSetting); sqlite3_exec(db, zStmt, 0, 0, 0); } /* Forward reference */ static int db_int(sqlite3 *db, const char *zSql, ...); /* ** This is a different callback routine used for dumping the database. ** Each row received by this callback consists of a table name, ** the table type ("index" or "table") and SQL to create the table. ** This routine should print text sufficient to recreate the table. */ static int dump_callback(void *pArg, int nArg, char **azArg, char **azNotUsed){ int rc; const char *zTable; const char *zType; const char *zSql; ShellState *p = (ShellState *)pArg; int dataOnly; int noSys; UNUSED_PARAMETER(azNotUsed); if( nArg!=3 || azArg==0 ) return 0; zTable = azArg[0]; zType = azArg[1]; zSql = azArg[2]; if( zTable==0 ) return 0; if( zType==0 ) return 0; dataOnly = (p->shellFlgs & SHFLG_DumpDataOnly)!=0; noSys = (p->shellFlgs & SHFLG_DumpNoSys)!=0; if( cli_strcmp(zTable, "sqlite_sequence")==0 && !noSys ){ /* The sqlite_sequence table is repopulated last. Delete content ** in the sqlite_sequence table added by prior repopulations prior to ** repopulating sqlite_sequence itself. But only do this if the ** table is non-empty, because if it is empty the table might not ** have been recreated by prior repopulations. See forum posts: ** 2024-10-13T17:10:01z and 2025-10-29T19:38:43z */ if( db_int(p->db, "SELECT count(*) FROM sqlite_sequence")>0 ){ if( !p->writableSchema ){ sqlite3_fputs("PRAGMA writable_schema=ON;\n", p->out); p->writableSchema = 1; } sqlite3_fputs("CREATE TABLE IF NOT EXISTS sqlite_sequence(name,seq);\n" "DELETE FROM sqlite_sequence;\n", p->out); } }else if( sqlite3_strglob("sqlite_stat?", zTable)==0 && !noSys ){ if( !dataOnly ) sqlite3_fputs("ANALYZE sqlite_schema;\n", p->out); }else if( cli_strncmp(zTable, "sqlite_", 7)==0 ){ return 0; }else if( dataOnly ){ /* no-op */ }else if( cli_strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){ char *zIns; if( !p->writableSchema ){ sqlite3_fputs("PRAGMA writable_schema=ON;\n", p->out); p->writableSchema = 1; } zIns = sqlite3_mprintf( "INSERT INTO sqlite_schema(type,name,tbl_name,rootpage,sql)" "VALUES('table','%q','%q',0,'%q');", zTable, zTable, zSql); shell_check_oom(zIns); sqlite3_fprintf(p->out, "%s\n", zIns); sqlite3_free(zIns); return 0; }else{ printSchemaLine(p->out, zSql, ";\n"); } if( cli_strcmp(zType, "table")==0 ){ ShellText sSelect; ShellText sTable; char **azCol; int i; char *savedDestTable; int savedMode; azCol = tableColumnList(p, zTable); if( azCol==0 ){ p->nErr++; return 0; } /* Always quote the table name, even if it appears to be pure ascii, ** in case it is a keyword. Ex: INSERT INTO "table" ... */ initText(&sTable); appendText(&sTable, zTable, quoteChar(zTable)); /* If preserving the rowid, add a column list after the table name. ** In other words: "INSERT INTO tab(rowid,a,b,c,...) VALUES(...)" ** instead of the usual "INSERT INTO tab VALUES(...)". */ if( azCol[0] ){ appendText(&sTable, "(", 0); appendText(&sTable, azCol[0], 0); for(i=1; azCol[i]; i++){ appendText(&sTable, ",", 0); appendText(&sTable, azCol[i], quoteChar(azCol[i])); } appendText(&sTable, ")", 0); } /* Build an appropriate SELECT statement */ initText(&sSelect); appendText(&sSelect, "SELECT ", 0); if( azCol[0] ){ appendText(&sSelect, azCol[0], 0); appendText(&sSelect, ",", 0); } for(i=1; azCol[i]; i++){ appendText(&sSelect, azCol[i], quoteChar(azCol[i])); if( azCol[i+1] ){ appendText(&sSelect, ",", 0); } } freeColumnList(azCol); appendText(&sSelect, " FROM ", 0); appendText(&sSelect, zTable, quoteChar(zTable)); savedDestTable = p->zDestTable; savedMode = p->mode; p->zDestTable = sTable.zTxt; p->mode = p->cMode = MODE_Insert; rc = shell_exec(p, sSelect.zTxt, 0); if( (rc&0xff)==SQLITE_CORRUPT ){ sqlite3_fputs("/****** CORRUPTION ERROR *******/\n", p->out); toggleSelectOrder(p->db); shell_exec(p, sSelect.zTxt, 0); toggleSelectOrder(p->db); } p->zDestTable = savedDestTable; p->mode = savedMode; freeText(&sTable); freeText(&sSelect); if( rc ) p->nErr++; } return 0; } /* ** Run zQuery. Use dump_callback() as the callback routine so that ** the contents of the query are output as SQL statements. ** ** If we get a SQLITE_CORRUPT error, rerun the query after appending ** "ORDER BY rowid DESC" to the end. */ static int run_schema_dump_query( ShellState *p, const char *zQuery ){ int rc; char *zErr = 0; rc = sqlite3_exec(p->db, zQuery, dump_callback, p, &zErr); if( rc==SQLITE_CORRUPT ){ char *zQ2; int len = strlen30(zQuery); sqlite3_fputs("/****** CORRUPTION ERROR *******/\n", p->out); if( zErr ){ sqlite3_fprintf(p->out, "/****** %s ******/\n", zErr); sqlite3_free(zErr); zErr = 0; } zQ2 = malloc( len+100 ); if( zQ2==0 ) return rc; sqlite3_snprintf(len+100, zQ2, "%s ORDER BY rowid DESC", zQuery); rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr); if( rc ){ sqlite3_fprintf(p->out, "/****** ERROR: %s ******/\n", zErr); }else{ rc = SQLITE_CORRUPT; } free(zQ2); } sqlite3_free(zErr); return rc; } /* ** Text of help messages. ** ** The help text for each individual command begins with a line that starts ** with ".". Subsequent lines are supplemental information. ** ** There must be two or more spaces between the end of the command and the ** start of the description of what that command does. */ static const char *(azHelp[]) = { #if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE) \ && !defined(SQLITE_SHELL_FIDDLE) ".archive ... Manage SQL archives", " Each command must have exactly one of the following options:", " -c, --create Create a new archive", " -u, --update Add or update files with changed mtime", " -i, --insert Like -u but always add even if unchanged", " -r, --remove Remove files from archive", " -t, --list List contents of archive", " -x, --extract Extract files from archive", " Optional arguments:", " -v, --verbose Print each filename as it is processed", " -f FILE, --file FILE Use archive FILE (default is current db)", " -a FILE, --append FILE Open FILE using the apndvfs VFS", " -C DIR, --directory DIR Read/extract files from directory DIR", " -g, --glob Use glob matching for names in archive", " -n, --dryrun Show the SQL that would have occurred", " Examples:", " .ar -cf ARCHIVE foo bar # Create ARCHIVE from files foo and bar", " .ar -tf ARCHIVE # List members of ARCHIVE", " .ar -xvf ARCHIVE # Verbosely extract files from ARCHIVE", " See also:", " http://sqlite.org/cli.html#sqlite_archive_support", #endif #ifndef SQLITE_OMIT_AUTHORIZATION ".auth ON|OFF Show authorizer callbacks", #endif #ifndef SQLITE_SHELL_FIDDLE ".backup ?DB? FILE Backup DB (default \"main\") to FILE", " Options:", " --append Use the appendvfs", " --async Write to FILE without journal and fsync()", #endif ".bail on|off Stop after hitting an error. Default OFF", #ifndef SQLITE_SHELL_FIDDLE ".cd DIRECTORY Change the working directory to DIRECTORY", #endif ".changes on|off Show number of rows changed by SQL", #ifndef SQLITE_SHELL_FIDDLE ".check GLOB Fail if output since .testcase does not match", ".clone NEWDB Clone data into NEWDB from the existing database", #endif ".connection [close] [#] Open or close an auxiliary database connection", ".crlf ?on|off? Whether or not to use \\r\\n line endings", ".databases List names and files of attached databases", ".dbconfig ?op? ?val? List or change sqlite3_db_config() options", #if SQLITE_SHELL_HAVE_RECOVER ".dbinfo ?DB? Show status information about the database", #endif ".dbtotxt Hex dump of the database file", ".dump ?OBJECTS? Render database content as SQL", " Options:", " --data-only Output only INSERT statements", " --newlines Allow unescaped newline characters in output", " --nosys Omit system tables (ex: \"sqlite_stat1\")", " --preserve-rowids Include ROWID values in the output", " OBJECTS is a LIKE pattern for tables, indexes, triggers or views to dump", " Additional LIKE patterns can be given in subsequent arguments", ".echo on|off Turn command echo on or off", ".eqp on|off|full|... Enable or disable automatic EXPLAIN QUERY PLAN", " Other Modes:", #ifdef SQLITE_DEBUG " test Show raw EXPLAIN QUERY PLAN output", " trace Like \"full\" but enable \"PRAGMA vdbe_trace\"", #endif " trigger Like \"full\" but also show trigger bytecode", #ifndef SQLITE_SHELL_FIDDLE ".excel Display the output of next command in spreadsheet", " --bom Put a UTF8 byte-order mark on intermediate file", #endif #ifndef SQLITE_SHELL_FIDDLE ".exit ?CODE? Exit this program with return-code CODE", #endif #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) ".expert EXPERIMENTAL. Suggest indexes for queries", #endif ".explain ?on|off|auto? Change the EXPLAIN formatting mode. Default: auto", ".filectrl CMD ... Run various sqlite3_file_control() operations", " --schema SCHEMA Use SCHEMA instead of \"main\"", " --help Show CMD details", ".fullschema ?--indent? Show schema and the content of sqlite_stat tables", ".headers on|off Turn display of headers on or off", ".help ?-all? ?PATTERN? Show help text for PATTERN", #ifndef SQLITE_SHELL_FIDDLE ".import FILE TABLE Import data from FILE into TABLE", " Options:", " --ascii Use \\037 and \\036 as column and row separators", " --csv Use , and \\n as column and row separators", " --skip N Skip the first N rows of input", " --schema S Target table to be S.TABLE", " -v \"Verbose\" - increase auxiliary output", " Notes:", " * If TABLE does not exist, it is created. The first row of input", " determines the column names.", " * If neither --csv or --ascii are used, the input mode is derived", " from the \".mode\" output mode", " * If FILE begins with \"|\" then it is a command that generates the", " input text.", #endif #ifndef SQLITE_OMIT_TEST_CONTROL ".imposter INDEX TABLE Create imposter table TABLE on index INDEX", #endif ".indexes ?TABLE? Show names of indexes", " If TABLE is specified, only show indexes for", " tables matching TABLE using the LIKE operator.", ".intck ?STEPS_PER_UNLOCK? Run an incremental integrity check on the db", #ifdef SQLITE_ENABLE_IOTRACE ",iotrace FILE Enable I/O diagnostic logging to FILE", #endif ".limit ?LIMIT? ?VAL? Display or change the value of an SQLITE_LIMIT", ".lint OPTIONS Report potential schema issues.", " Options:", " fkey-indexes Find missing foreign key indexes", #if !defined(SQLITE_OMIT_LOAD_EXTENSION) && !defined(SQLITE_SHELL_FIDDLE) ".load FILE ?ENTRY? Load an extension library", #endif #if !defined(SQLITE_SHELL_FIDDLE) ".log FILE|on|off Turn logging on or off. FILE can be stderr/stdout", #else ".log on|off Turn logging on or off.", #endif ".mode ?MODE? ?OPTIONS? Set output mode", " MODE is one of:", " ascii Columns/rows delimited by 0x1F and 0x1E", " box Tables using unicode box-drawing characters", " csv Comma-separated values", " column Output in columns. (See .width)", " html HTML <table> code", " insert SQL insert statements for TABLE", " json Results in a JSON array", " line One value per line", " list Values delimited by \"|\"", " markdown Markdown table format", " qbox Shorthand for \"box --wrap 60 --quote\"", " quote Escape answers as for SQL", " table ASCII-art table", " tabs Tab-separated values", " tcl TCL list elements", " OPTIONS: (for columnar modes or insert mode):", " --escape T ctrl-char escape; T is one of: symbol, ascii, off", " --wrap N Wrap output lines to no longer than N characters", " --wordwrap B Wrap or not at word boundaries per B (on/off)", " --ww Shorthand for \"--wordwrap 1\"", " --quote Quote output text as SQL literals", " --noquote Do not quote output text", " TABLE The name of SQL table used for \"insert\" mode", #ifndef SQLITE_SHELL_FIDDLE ".nonce STRING Suspend safe mode for one command if nonce matches", #endif ".nullvalue STRING Use STRING in place of NULL values", #ifndef SQLITE_SHELL_FIDDLE ".once ?OPTIONS? ?FILE? Output for the next SQL command only to FILE", " If FILE begins with '|' then open as a pipe", " --bom Put a UTF8 byte-order mark at the beginning", " -e Send output to the system text editor", " --plain Use text/plain output instead of HTML for -w option", " -w Send output as HTML to a web browser (same as \".www\")", " -x Send output as CSV to a spreadsheet (same as \".excel\")", /* Note that .open is (partially) available in WASM builds but is ** currently only intended to be used by the fiddle tool, not ** end users, so is "undocumented." */ ".open ?OPTIONS? ?FILE? Close existing database and reopen FILE", " Options:", " --append Use appendvfs to append database to the end of FILE", #endif #ifndef SQLITE_OMIT_DESERIALIZE " --deserialize Load into memory using sqlite3_deserialize()", #endif /*" --exclusive Set the SQLITE_OPEN_EXCLUSIVE flag", UNDOCUMENTED */ #ifndef SQLITE_OMIT_DESERIALIZE " --hexdb Load the output of \"dbtotxt\" as an in-memory db", #endif " --ifexist Only open if FILE already exists", #ifndef SQLITE_OMIT_DESERIALIZE " --maxsize N Maximum size for --hexdb or --deserialized database", #endif " --new Initialize FILE to an empty database", " --normal FILE is an ordinary SQLite database", " --nofollow Do not follow symbolic links", " --readonly Open FILE readonly", " --zip FILE is a ZIP archive", #ifndef SQLITE_SHELL_FIDDLE ".output ?FILE? Send output to FILE or stdout if FILE is omitted", " If FILE begins with '|' then open it as a pipe.", " If FILE is 'off' then output is disabled.", " Options:", " --bom Prefix output with a UTF8 byte-order mark", " -e Send output to the system text editor", " --plain Use text/plain for -w option", " -w Send output to a web browser", " -x Send output as CSV to a spreadsheet", #endif ".parameter CMD ... Manage SQL parameter bindings", " clear Erase all bindings", " init Initialize the TEMP table that holds bindings", " list List the current parameter bindings", " set PARAMETER VALUE Given SQL parameter PARAMETER a value of VALUE", " PARAMETER should start with one of: $ : @ ?", " unset PARAMETER Remove PARAMETER from the binding table", ".print STRING... Print literal STRING", #ifndef SQLITE_OMIT_PROGRESS_CALLBACK ".progress N Invoke progress handler after every N opcodes", " --limit N Interrupt after N progress callbacks", " --once Do no more than one progress interrupt", " --quiet|-q No output except at interrupts", " --reset Reset the count for each input and interrupt", #endif ".prompt MAIN CONTINUE Replace the standard prompts", #ifndef SQLITE_SHELL_FIDDLE ".quit Stop interpreting input stream, exit if primary.", ".read FILE Read input from FILE or command output", " If FILE begins with \"|\", it is a command that generates the input.", #endif #if SQLITE_SHELL_HAVE_RECOVER ".recover Recover as much data as possible from corrupt db.", " --ignore-freelist Ignore pages that appear to be on db freelist", " --lost-and-found TABLE Alternative name for the lost-and-found table", " --no-rowids Do not attempt to recover rowid values", " that are not also INTEGER PRIMARY KEYs", #endif #ifndef SQLITE_SHELL_FIDDLE ".restore ?DB? FILE Restore content of DB (default \"main\") from FILE", ".save ?OPTIONS? FILE Write database to FILE (an alias for .backup ...)", #endif ".scanstats on|off|est Turn sqlite3_stmt_scanstatus() metrics on or off", ".schema ?PATTERN? Show the CREATE statements matching PATTERN", " Options:", " --indent Try to pretty-print the schema", " --nosys Omit objects whose names start with \"sqlite_\"", ",selftest ?OPTIONS? Run tests defined in the SELFTEST table", " Options:", " --init Create a new SELFTEST table", " -v Verbose output", ".separator COL ?ROW? Change the column and row separators", #if defined(SQLITE_ENABLE_SESSION) ".session ?NAME? CMD ... Create or control sessions", " Subcommands:", " attach TABLE Attach TABLE", " changeset FILE Write a changeset into FILE", " close Close one session", " enable ?BOOLEAN? Set or query the enable bit", " filter GLOB... Reject tables matching GLOBs", " indirect ?BOOLEAN? Mark or query the indirect status", " isempty Query whether the session is empty", " list List currently open session names", " open DB NAME Open a new session on DB", " patchset FILE Write a patchset into FILE", " If ?NAME? is omitted, the first defined session is used.", #endif ".sha3sum ... Compute a SHA3 hash of database content", " Options:", " --schema Also hash the sqlite_schema table", " --sha3-224 Use the sha3-224 algorithm", " --sha3-256 Use the sha3-256 algorithm (default)", " --sha3-384 Use the sha3-384 algorithm", " --sha3-512 Use the sha3-512 algorithm", " Any other argument is a LIKE pattern for tables to hash", #if !defined(SQLITE_NOHAVE_SYSTEM) && !defined(SQLITE_SHELL_FIDDLE) ".shell CMD ARGS... Run CMD ARGS... in a system shell", #endif ".show Show the current values for various settings", ".stats ?ARG? Show stats or turn stats on or off", " off Turn off automatic stat display", " on Turn on automatic stat display", " stmt Show statement stats", " vmstep Show the virtual machine step count only", #if !defined(SQLITE_NOHAVE_SYSTEM) && !defined(SQLITE_SHELL_FIDDLE) ".system CMD ARGS... Run CMD ARGS... in a system shell", #endif ".tables ?TABLE? List names of tables matching LIKE pattern TABLE", #ifndef SQLITE_SHELL_FIDDLE ",testcase NAME Begin redirecting output to 'testcase-out.txt'", #endif ",testctrl CMD ... Run various sqlite3_test_control() operations", " Run \".testctrl\" with no arguments for details", ".timeout MS Try opening locked tables for MS milliseconds", ".timer on|off Turn SQL timer on or off", #ifndef SQLITE_OMIT_TRACE ".trace ?OPTIONS? Output each SQL statement as it is run", " FILE Send output to FILE", " stdout Send output to stdout", " stderr Send output to stderr", " off Disable tracing", " --expanded Expand query parameters", #ifdef SQLITE_ENABLE_NORMALIZE " --normalized Normal the SQL statements", #endif " --plain Show SQL as it is input", " --stmt Trace statement execution (SQLITE_TRACE_STMT)", " --profile Profile statements (SQLITE_TRACE_PROFILE)", " --row Trace each row (SQLITE_TRACE_ROW)", " --close Trace connection close (SQLITE_TRACE_CLOSE)", #endif /* SQLITE_OMIT_TRACE */ #ifdef SQLITE_DEBUG ".unmodule NAME ... Unregister virtual table modules", " --allexcept Unregister everything except those named", #endif ".version Show source, library and compiler versions", ".vfsinfo ?AUX? Information about the top-level VFS", ".vfslist List all available VFSes", ".vfsname ?AUX? Print the name of the VFS stack", ".width NUM1 NUM2 ... Set minimum column widths for columnar output", " Negative values right-justify", #ifndef SQLITE_SHELL_FIDDLE ".www Display output of the next command in web browser", " --plain Show results as text/plain, not as HTML", #endif }; /* ** Output help text for commands that match zPattern. ** ** * If zPattern is NULL, then show all documented commands, but ** only give a one-line summary of each. ** ** * If zPattern is "-a" or "-all" or "--all" then show all help text ** for all commands except undocumented commands. ** ** * If zPattern is "0" then show all help for undocumented commands. ** Undocumented commands begin with "," instead of "." in the azHelp[] ** array. ** ** * If zPattern is a prefix for one or more documented commands, then ** show help for those commands. If only a single command matches the ** prefix, show the full text of the help. If multiple commands match, ** Only show just the first line of each. ** ** * Otherwise, show the complete text of any documented command for which ** zPattern is a LIKE match for any text within that command help ** text. ** ** Return the number commands that match zPattern. */ static int showHelp(FILE *out, const char *zPattern){ int i = 0; int j = 0; int n = 0; char *zPat; if( zPattern==0 ){ /* Show just the first line for all help topics */ zPattern = "[a-z]"; }else if( cli_strcmp(zPattern,"-a")==0 || cli_strcmp(zPattern,"-all")==0 || cli_strcmp(zPattern,"--all")==0 ){ /* Show everything except undocumented commands */ zPattern = "."; }else if( cli_strcmp(zPattern,"0")==0 ){ /* Show complete help text of undocumented commands */ int show = 0; for(i=0; i<ArraySize(azHelp); i++){ if( azHelp[i][0]=='.' ){ show = 0; }else if( azHelp[i][0]==',' ){ show = 1; sqlite3_fprintf(out, ".%s\n", &azHelp[i][1]); n++; }else if( show ){ sqlite3_fprintf(out, "%s\n", azHelp[i]); } } return n; } /* Seek documented commands for which zPattern is an exact prefix */ zPat = sqlite3_mprintf(".%s*", zPattern); shell_check_oom(zPat); for(i=0; i<ArraySize(azHelp); i++){ if( sqlite3_strglob(zPat, azHelp[i])==0 ){ sqlite3_fprintf(out, "%s\n", azHelp[i]); j = i+1; n++; } } sqlite3_free(zPat); if( n ){ if( n==1 ){ /* when zPattern is a prefix of exactly one command, then include ** the details of that command, which should begin at offset j */ while( j<ArraySize(azHelp)-1 && azHelp[j][0]==' ' ){ sqlite3_fprintf(out, "%s\n", azHelp[j]); j++; } } return n; } /* Look for documented commands that contain zPattern anywhere. ** Show complete text of all documented commands that match. */ zPat = sqlite3_mprintf("%%%s%%", zPattern); shell_check_oom(zPat); for(i=0; i<ArraySize(azHelp); i++){ if( azHelp[i][0]==',' ){ while( i<ArraySize(azHelp)-1 && azHelp[i+1][0]==' ' ) ++i; continue; } if( azHelp[i][0]=='.' ) j = i; if( sqlite3_strlike(zPat, azHelp[i], 0)==0 ){ sqlite3_fprintf(out, "%s\n", azHelp[j]); while( j<ArraySize(azHelp)-1 && azHelp[j+1][0]==' ' ){ j++; sqlite3_fprintf(out, "%s\n", azHelp[j]); } i = j; n++; } } sqlite3_free(zPat); return n; } /* Forward reference */ static int process_input(ShellState *p, const char*); /* ** Read the content of file zName into memory obtained from sqlite3_malloc64() ** and return a pointer to the buffer. The caller is responsible for freeing ** the memory. ** ** If parameter pnByte is not NULL, (*pnByte) is set to the number of bytes ** read. ** ** For convenience, a nul-terminator byte is always appended to the data read ** from the file before the buffer is returned. This byte is not included in ** the final value of (*pnByte), if applicable. ** ** NULL is returned if any error is encountered. The final value of *pnByte ** is undefined in this case. */ static char *readFile(const char *zName, int *pnByte){ FILE *in = sqlite3_fopen(zName, "rb"); long nIn; size_t nRead; char *pBuf; int rc; if( in==0 ) return 0; rc = fseek(in, 0, SEEK_END); if( rc!=0 ){ sqlite3_fprintf(stderr,"Error: '%s' not seekable\n", zName); fclose(in); return 0; } nIn = ftell(in); rewind(in); pBuf = sqlite3_malloc64( nIn+1 ); if( pBuf==0 ){ sqlite3_fputs("Error: out of memory\n", stderr); fclose(in); return 0; } nRead = fread(pBuf, nIn, 1, in); fclose(in); if( nRead!=1 ){ sqlite3_free(pBuf); sqlite3_fprintf(stderr,"Error: cannot read '%s'\n", zName); return 0; } pBuf[nIn] = 0; if( pnByte ) *pnByte = nIn; return pBuf; } #if defined(SQLITE_ENABLE_SESSION) /* ** Close a single OpenSession object and release all of its associated ** resources. */ static void session_close(OpenSession *pSession){ int i; sqlite3session_delete(pSession->p); sqlite3_free(pSession->zName); for(i=0; i<pSession->nFilter; i++){ sqlite3_free(pSession->azFilter[i]); } sqlite3_free(pSession->azFilter); memset(pSession, 0, sizeof(OpenSession)); } #endif /* ** Close all OpenSession objects and release all associated resources. */ #if defined(SQLITE_ENABLE_SESSION) static void session_close_all(ShellState *p, int i){ int j; struct AuxDb *pAuxDb = i<0 ? p->pAuxDb : &p->aAuxDb[i]; for(j=0; j<pAuxDb->nSession; j++){ session_close(&pAuxDb->aSession[j]); } pAuxDb->nSession = 0; } #else # define session_close_all(X,Y) #endif /* ** Implementation of the xFilter function for an open session. Omit ** any tables named by ".session filter" but let all other table through. */ #if defined(SQLITE_ENABLE_SESSION) static int session_filter(void *pCtx, const char *zTab){ OpenSession *pSession = (OpenSession*)pCtx; int i; for(i=0; i<pSession->nFilter; i++){ if( sqlite3_strglob(pSession->azFilter[i], zTab)==0 ) return 0; } return 1; } #endif /* ** Try to deduce the type of file for zName based on its content. Return ** one of the SHELL_OPEN_* constants. ** ** If the file does not exist or is empty but its name looks like a ZIP ** archive and the dfltZip flag is true, then assume it is a ZIP archive. ** Otherwise, assume an ordinary database regardless of the filename if ** the type cannot be determined from content. */ int deduceDatabaseType(const char *zName, int dfltZip, int openFlags){ FILE *f; size_t n; sqlite3 *db = 0; sqlite3_stmt *pStmt = 0; int rc = SHELL_OPEN_UNSPEC; char zBuf[100]; if( access(zName,0)!=0 ) goto database_type_by_name; if( sqlite3_open_v2(zName, &db, openFlags, 0)==SQLITE_OK && sqlite3_prepare_v2(db,"SELECT count(*) FROM sqlite_schema",-1,&pStmt,0) ==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ rc = SHELL_OPEN_NORMAL; } sqlite3_finalize(pStmt); sqlite3_close(db); if( rc==SHELL_OPEN_NORMAL ) return SHELL_OPEN_NORMAL; f = sqlite3_fopen(zName, "rb"); if( f==0 ) goto database_type_by_name; n = fread(zBuf, 16, 1, f); if( n==1 && memcmp(zBuf, "SQLite format 3", 16)==0 ){ fclose(f); return SHELL_OPEN_NORMAL; } fseek(f, -25, SEEK_END); n = fread(zBuf, 25, 1, f); if( n==1 && memcmp(zBuf, "Start-Of-SQLite3-", 17)==0 ){ rc = SHELL_OPEN_APPENDVFS; }else{ fseek(f, -22, SEEK_END); n = fread(zBuf, 22, 1, f); if( n==1 && zBuf[0]==0x50 && zBuf[1]==0x4b && zBuf[2]==0x05 && zBuf[3]==0x06 ){ rc = SHELL_OPEN_ZIPFILE; }else if( n==0 && dfltZip && sqlite3_strlike("%.zip",zName,0)==0 ){ rc = SHELL_OPEN_ZIPFILE; } } fclose(f); return rc; database_type_by_name: if( dfltZip && sqlite3_strlike("%.zip",zName,0)==0 ){ rc = SHELL_OPEN_ZIPFILE; }else{ rc = SHELL_OPEN_NORMAL; } return rc; } #ifndef SQLITE_OMIT_DESERIALIZE /* ** Reconstruct an in-memory database using the output from the "dbtotxt" ** program. Read content from the file in p->aAuxDb[].zDbFilename. ** If p->aAuxDb[].zDbFilename is 0, then read from standard input. */ static unsigned char *readHexDb(ShellState *p, int *pnData){ unsigned char *a = 0; i64 nLine; int n = 0; /* Size of db per first line of hex dump */ i64 sz = 0; /* n rounded up to nearest page boundary */ int pgsz = 0; i64 iOffset = 0; int rc; FILE *in; const char *zDbFilename = p->pAuxDb->zDbFilename; unsigned int x[16]; char zLine[1000]; if( zDbFilename ){ in = sqlite3_fopen(zDbFilename, "r"); if( in==0 ){ sqlite3_fprintf(stderr,"cannot open \"%s\" for reading\n", zDbFilename); return 0; } nLine = 0; }else{ in = p->in; nLine = p->lineno; if( in==0 ) in = stdin; } *pnData = 0; nLine++; if( sqlite3_fgets(zLine, sizeof(zLine), in)==0 ) goto readHexDb_error; rc = sscanf(zLine, "| size %d pagesize %d", &n, &pgsz); if( rc!=2 ) goto readHexDb_error; if( n<0 ) goto readHexDb_error; if( pgsz<512 || pgsz>65536 || (pgsz & (pgsz-1))!=0 ){ sqlite3_fputs("invalid pagesize\n", stderr); goto readHexDb_error; } sz = ((i64)n+pgsz-1)&~(pgsz-1); /* Round up to nearest multiple of pgsz */ a = sqlite3_malloc64( sz ? sz : 1 ); shell_check_oom(a); memset(a, 0, sz); for(nLine++; sqlite3_fgets(zLine, sizeof(zLine), in)!=0; nLine++){ int j = 0; /* Page number from "| page" line */ int k = 0; /* Offset from "| page" line */ if( nLine>=2000000000 ){ sqlite3_fprintf(stderr, "input too big\n"); goto readHexDb_error; } rc = sscanf(zLine, "| page %d offset %d", &j, &k); if( rc==2 ){ iOffset = k; continue; } if( cli_strncmp(zLine, "| end ", 6)==0 ){ break; } rc = sscanf(zLine,"| %d: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", &j, &x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7], &x[8], &x[9], &x[10], &x[11], &x[12], &x[13], &x[14], &x[15]); if( rc==17 ){ i64 iOff = iOffset+j; if( iOff+16<=sz && iOff>=0 ){ int ii; for(ii=0; ii<16; ii++) a[iOff+ii] = x[ii]&0xff; } } } *pnData = sz; if( in!=p->in ){ fclose(in); }else{ p->lineno = nLine; } return a; readHexDb_error: if( in!=p->in ){ fclose(in); }else{ while( sqlite3_fgets(zLine, sizeof(zLine), p->in)!=0 ){ nLine++; if(cli_strncmp(zLine, "| end ", 6)==0 ) break; } p->lineno = nLine; } sqlite3_free(a); sqlite3_fprintf(stderr,"Error on line %lld of --hexdb input\n", nLine); return 0; } #endif /* SQLITE_OMIT_DESERIALIZE */ /* ** Scalar function "usleep(X)" invokes sqlite3_sleep(X) and returns X. */ static void shellUSleepFunc( sqlite3_context *context, int argcUnused, sqlite3_value **argv ){ int sleep = sqlite3_value_int(argv[0]); (void)argcUnused; sqlite3_sleep(sleep/1000); sqlite3_result_int(context, sleep); } /* ** SQL function: shell_module_schema(X) ** ** Return a fake schema for the table-valued function or eponymous virtual ** table X. */ static void shellModuleSchema( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ const char *zName; char *zFake; ShellState *p = (ShellState*)sqlite3_user_data(pCtx); FILE *pSavedLog = p->pLog; UNUSED_PARAMETER(nVal); zName = (const char*)sqlite3_value_text(apVal[0]); /* Temporarily disable the ".log" when calling shellFakeSchema() because ** shellFakeSchema() might generate failures for some ephemeral virtual ** tables due to missing arguments. Example: fts4aux. ** https://sqlite.org/forum/forumpost/42fe6520b803be51 */ p->pLog = 0; zFake = zName? shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName) : 0; p->pLog = pSavedLog; if( zFake ){ sqlite3_result_text(pCtx, sqlite3_mprintf("/* %s */", zFake), -1, sqlite3_free); sqlite3_free(zFake); } } /* Flags for open_db(). ** ** The default behavior of open_db() is to exit(1) if the database fails to ** open. The OPEN_DB_KEEPALIVE flag changes that so that it prints an error ** but still returns without calling exit. ** ** The OPEN_DB_ZIPFILE flag causes open_db() to prefer to open files as a ** ZIP archive if the file does not exist or is empty and its name matches ** the *.zip pattern. */ #define OPEN_DB_KEEPALIVE 0x001 /* Return after error if true */ #define OPEN_DB_ZIPFILE 0x002 /* Open as ZIP if name matches *.zip */ /* ** Make sure the database is open. If it is not, then open it. If ** the database fails to open, print an error message and exit. */ static void open_db(ShellState *p, int openFlags){ if( p->db==0 ){ const char *zDbFilename = p->pAuxDb->zDbFilename; if( p->openMode==SHELL_OPEN_UNSPEC ){ if( zDbFilename==0 || zDbFilename[0]==0 ){ p->openMode = SHELL_OPEN_NORMAL; }else{ p->openMode = (u8)deduceDatabaseType(zDbFilename, (openFlags & OPEN_DB_ZIPFILE)!=0, p->openFlags); } } if( (p->openFlags & (SQLITE_OPEN_READONLY|SQLITE_OPEN_READWRITE))==0 ){ if( p->openFlags==0 ) p->openFlags = SQLITE_OPEN_CREATE; p->openFlags |= SQLITE_OPEN_READWRITE; } switch( p->openMode ){ case SHELL_OPEN_APPENDVFS: { sqlite3_open_v2(zDbFilename, &p->db, p->openFlags, "apndvfs"); break; } case SHELL_OPEN_HEXDB: case SHELL_OPEN_DESERIALIZE: { sqlite3_open(0, &p->db); break; } case SHELL_OPEN_ZIPFILE: { sqlite3_open(":memory:", &p->db); break; } case SHELL_OPEN_UNSPEC: case SHELL_OPEN_NORMAL: { sqlite3_open_v2(zDbFilename, &p->db, p->openFlags, 0); break; } } if( p->db==0 || SQLITE_OK!=sqlite3_errcode(p->db) ){ sqlite3_fprintf(stderr,"Error: unable to open database \"%s\": %s\n", zDbFilename, sqlite3_errmsg(p->db)); if( (openFlags & OPEN_DB_KEEPALIVE)==0 ){ exit(1); } sqlite3_close(p->db); sqlite3_open(":memory:", &p->db); if( p->db==0 || SQLITE_OK!=sqlite3_errcode(p->db) ){ sqlite3_fputs("Also: unable to open substitute in-memory database.\n", stderr); exit(1); }else{ sqlite3_fprintf(stderr, "Notice: using substitute in-memory database instead of \"%s\"\n", zDbFilename); } } globalDb = p->db; sqlite3_db_config(p->db, SQLITE_DBCONFIG_STMT_SCANSTATUS, (int)0, (int*)0); /* Reflect the use or absence of --unsafe-testing invocation. */ { int testmode_on = ShellHasFlag(p,SHFLG_TestingMode); sqlite3_db_config(p->db, SQLITE_DBCONFIG_TRUSTED_SCHEMA, testmode_on,0); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, !testmode_on,0); } #ifndef SQLITE_OMIT_LOAD_EXTENSION sqlite3_enable_load_extension(p->db, 1); #endif sqlite3_sha_init(p->db, 0, 0); sqlite3_shathree_init(p->db, 0, 0); sqlite3_uint_init(p->db, 0, 0); sqlite3_stmtrand_init(p->db, 0, 0); sqlite3_decimal_init(p->db, 0, 0); sqlite3_base64_init(p->db, 0, 0); sqlite3_base85_init(p->db, 0, 0); sqlite3_regexp_init(p->db, 0, 0); sqlite3_ieee_init(p->db, 0, 0); sqlite3_series_init(p->db, 0, 0); #ifndef SQLITE_SHELL_FIDDLE sqlite3_fileio_init(p->db, 0, 0); sqlite3_completion_init(p->db, 0, 0); #endif #ifdef SQLITE_HAVE_ZLIB if( !p->bSafeModePersist ){ sqlite3_zipfile_init(p->db, 0, 0); sqlite3_sqlar_init(p->db, 0, 0); } #endif #ifdef SQLITE_SHELL_EXTFUNCS /* Create a preprocessing mechanism for extensions to make * their own provisions for being built into the shell. * This is a short-span macro. See further below for usage. */ #define SHELL_SUB_MACRO(base, variant) base ## _ ## variant #define SHELL_SUBMACRO(base, variant) SHELL_SUB_MACRO(base, variant) /* Let custom-included extensions get their ..._init() called. * The WHATEVER_INIT( db, pzErrorMsg, pApi ) macro should cause * the extension's sqlite3_*_init( db, pzErrorMsg, pApi ) * initialization routine to be called. */ { int irc = SHELL_SUBMACRO(SQLITE_SHELL_EXTFUNCS, INIT)(p->db); /* Let custom-included extensions expose their functionality. * The WHATEVER_EXPOSE( db, pzErrorMsg ) macro should cause * the SQL functions, virtual tables, collating sequences or * VFS's implemented by the extension to be registered. */ if( irc==SQLITE_OK || irc==SQLITE_OK_LOAD_PERMANENTLY ){ SHELL_SUBMACRO(SQLITE_SHELL_EXTFUNCS, EXPOSE)(p->db, 0); } #undef SHELL_SUB_MACRO #undef SHELL_SUBMACRO } #endif sqlite3_create_function(p->db, "strtod", 1, SQLITE_UTF8, 0, shellStrtod, 0, 0); sqlite3_create_function(p->db, "dtostr", 1, SQLITE_UTF8, 0, shellDtostr, 0, 0); sqlite3_create_function(p->db, "dtostr", 2, SQLITE_UTF8, 0, shellDtostr, 0, 0); sqlite3_create_function(p->db, "shell_add_schema", 3, SQLITE_UTF8, 0, shellAddSchemaName, 0, 0); sqlite3_create_function(p->db, "shell_module_schema", 1, SQLITE_UTF8, p, shellModuleSchema, 0, 0); sqlite3_create_function(p->db, "shell_putsnl", 1, SQLITE_UTF8, p, shellPutsFunc, 0, 0); sqlite3_create_function(p->db, "usleep",1,SQLITE_UTF8,0, shellUSleepFunc, 0, 0); #ifndef SQLITE_NOHAVE_SYSTEM sqlite3_create_function(p->db, "edit", 1, SQLITE_UTF8, 0, editFunc, 0, 0); sqlite3_create_function(p->db, "edit", 2, SQLITE_UTF8, 0, editFunc, 0, 0); #endif if( p->openMode==SHELL_OPEN_ZIPFILE ){ char *zSql = sqlite3_mprintf( "CREATE VIRTUAL TABLE zip USING zipfile(%Q);", zDbFilename); shell_check_oom(zSql); sqlite3_exec(p->db, zSql, 0, 0, 0); sqlite3_free(zSql); } #ifndef SQLITE_OMIT_DESERIALIZE else if( p->openMode==SHELL_OPEN_DESERIALIZE || p->openMode==SHELL_OPEN_HEXDB ){ int rc; int nData = 0; unsigned char *aData; if( p->openMode==SHELL_OPEN_DESERIALIZE ){ aData = (unsigned char*)readFile(zDbFilename, &nData); }else{ aData = readHexDb(p, &nData); } if( aData==0 ){ return; } rc = sqlite3_deserialize(p->db, "main", aData, nData, nData, SQLITE_DESERIALIZE_RESIZEABLE | SQLITE_DESERIALIZE_FREEONCLOSE); if( rc ){ sqlite3_fprintf(stderr,"Error: sqlite3_deserialize() returns %d\n", rc); } if( p->szMax>0 ){ sqlite3_file_control(p->db, "main", SQLITE_FCNTL_SIZE_LIMIT, &p->szMax); } } #endif } if( p->db!=0 ){ #ifndef SQLITE_OMIT_AUTHORIZATION if( p->bSafeModePersist ){ sqlite3_set_authorizer(p->db, safeModeAuth, p); } #endif sqlite3_db_config( p->db, SQLITE_DBCONFIG_STMT_SCANSTATUS, p->scanstatsOn, (int*)0 ); } } /* ** Attempt to close the database connection. Report errors. */ void close_db(sqlite3 *db){ int rc = sqlite3_close(db); if( rc ){ sqlite3_fprintf(stderr, "Error: sqlite3_close() returns %d: %s\n", rc, sqlite3_errmsg(db)); } } #if (HAVE_READLINE || HAVE_EDITLINE) \ && !defined(SQLITE_OMIT_READLINE_COMPLETION) /* ** Readline completion callbacks */ static char *readline_completion_generator(const char *text, int state){ static sqlite3_stmt *pStmt = 0; char *zRet; if( state==0 ){ char *zSql; sqlite3_finalize(pStmt); zSql = sqlite3_mprintf("SELECT DISTINCT candidate COLLATE nocase" " FROM completion(%Q) ORDER BY 1", text); shell_check_oom(zSql); sqlite3_prepare_v2(globalDb, zSql, -1, &pStmt, 0); sqlite3_free(zSql); } if( sqlite3_step(pStmt)==SQLITE_ROW ){ const char *z = (const char*)sqlite3_column_text(pStmt,0); zRet = z ? strdup(z) : 0; }else{ sqlite3_finalize(pStmt); pStmt = 0; zRet = 0; } return zRet; } static char **readline_completion(const char *zText, int iStart, int iEnd){ (void)iStart; (void)iEnd; rl_attempted_completion_over = 1; return rl_completion_matches(zText, readline_completion_generator); } #elif HAVE_LINENOISE /* ** Linenoise completion callback. Note that the 3rd argument is from ** the "msteveb" version of linenoise, not the "antirez" version. */ static void linenoise_completion( const char *zLine, linenoiseCompletions *lc #if HAVE_LINENOISE==2 ,void *pUserData #endif ){ i64 nLine = strlen(zLine); i64 i, iStart; sqlite3_stmt *pStmt = 0; char *zSql; char zBuf[1000]; #if HAVE_LINENOISE==2 UNUSED_PARAMETER(pUserData); #endif if( nLine>(i64)sizeof(zBuf)-30 ) return; if( zLine[0]=='.' || zLine[0]=='#') return; for(i=nLine-1; i>=0 && (IsAlnum(zLine[i]) || zLine[i]=='_'); i--){} if( i==nLine-1 ) return; iStart = i+1; memcpy(zBuf, zLine, iStart); zSql = sqlite3_mprintf("SELECT DISTINCT candidate COLLATE nocase" " FROM completion(%Q,%Q) ORDER BY 1", &zLine[iStart], zLine); shell_check_oom(zSql); sqlite3_prepare_v2(globalDb, zSql, -1, &pStmt, 0); sqlite3_free(zSql); sqlite3_exec(globalDb, "PRAGMA page_count", 0, 0, 0); /* Load the schema */ while( sqlite3_step(pStmt)==SQLITE_ROW ){ const char *zCompletion = (const char*)sqlite3_column_text(pStmt, 0); int nCompletion = sqlite3_column_bytes(pStmt, 0); if( iStart+nCompletion < (i64)sizeof(zBuf)-1 && zCompletion ){ memcpy(zBuf+iStart, zCompletion, nCompletion+1); linenoiseAddCompletion(lc, zBuf); } } sqlite3_finalize(pStmt); } #endif /* ** Do C-language style dequoting. ** ** \a -> alarm ** \b -> backspace ** \t -> tab ** \n -> newline ** \v -> vertical tab ** \f -> form feed ** \r -> carriage return ** \s -> space ** \" -> " ** \' -> ' ** \\ -> backslash ** \NNN -> ascii character NNN in octal ** \xHH -> ascii character HH in hexadecimal */ static void resolve_backslashes(char *z){ int i, j; char c; while( *z && *z!='\\' ) z++; for(i=j=0; (c = z[i])!=0; i++, j++){ if( c=='\\' && z[i+1]!=0 ){ c = z[++i]; if( c=='a' ){ c = '\a'; }else if( c=='b' ){ c = '\b'; }else if( c=='t' ){ c = '\t'; }else if( c=='n' ){ c = '\n'; }else if( c=='v' ){ c = '\v'; }else if( c=='f' ){ c = '\f'; }else if( c=='r' ){ c = '\r'; }else if( c=='"' ){ c = '"'; }else if( c=='\'' ){ c = '\''; }else if( c=='\\' ){ c = '\\'; }else if( c=='x' ){ int nhd = 0, hdv; u8 hv = 0; while( nhd<2 && (c=z[i+1+nhd])!=0 && (hdv=hexDigitValue(c))>=0 ){ hv = (u8)((hv<<4)|hdv); ++nhd; } i += nhd; c = (u8)hv; }else if( c>='0' && c<='7' ){ c -= '0'; if( z[i+1]>='0' && z[i+1]<='7' ){ i++; c = (c<<3) + z[i] - '0'; if( z[i+1]>='0' && z[i+1]<='7' ){ i++; c = (c<<3) + z[i] - '0'; } } } } z[j] = c; } if( j<i ) z[j] = 0; } /* ** Interpret zArg as either an integer or a boolean value. Return 1 or 0 ** for TRUE and FALSE. Return the integer value if appropriate. */ static int booleanValue(const char *zArg){ int i; if( zArg[0]=='0' && zArg[1]=='x' ){ for(i=2; hexDigitValue(zArg[i])>=0; i++){} }else{ for(i=0; zArg[i]>='0' && zArg[i]<='9'; i++){} } if( i>0 && zArg[i]==0 ) return (int)(integerValue(zArg) & 0xffffffff); if( sqlite3_stricmp(zArg, "on")==0 || sqlite3_stricmp(zArg,"yes")==0 ){ return 1; } if( sqlite3_stricmp(zArg, "off")==0 || sqlite3_stricmp(zArg,"no")==0 ){ return 0; } sqlite3_fprintf(stderr, "ERROR: Not a boolean value: \"%s\". Assuming \"no\".\n", zArg); return 0; } /* ** Set or clear a shell flag according to a boolean value. */ static void setOrClearFlag(ShellState *p, unsigned mFlag, const char *zArg){ if( booleanValue(zArg) ){ ShellSetFlag(p, mFlag); }else{ ShellClearFlag(p, mFlag); } } /* ** Close an output file, assuming it is not stderr or stdout */ static void output_file_close(FILE *f){ if( f && f!=stdout && f!=stderr ) fclose(f); } /* ** Try to open an output file. The names "stdout" and "stderr" are ** recognized and do the right thing. NULL is returned if the output ** filename is "off". */ static FILE *output_file_open(const char *zFile){ FILE *f; if( cli_strcmp(zFile,"stdout")==0 ){ f = stdout; }else if( cli_strcmp(zFile, "stderr")==0 ){ f = stderr; }else if( cli_strcmp(zFile, "off")==0 ){ f = 0; }else{ f = sqlite3_fopen(zFile, "w"); if( f==0 ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", zFile); } } return f; } #ifndef SQLITE_OMIT_TRACE /* ** A routine for handling output from sqlite3_trace(). */ static int sql_trace_callback( unsigned mType, /* The trace type */ void *pArg, /* The ShellState pointer */ void *pP, /* Usually a pointer to sqlite_stmt */ void *pX /* Auxiliary output */ ){ ShellState *p = (ShellState*)pArg; sqlite3_stmt *pStmt; const char *zSql; i64 nSql; if( p->traceOut==0 ) return 0; if( mType==SQLITE_TRACE_CLOSE ){ sputz(p->traceOut, "-- closing database connection\n"); return 0; } if( mType!=SQLITE_TRACE_ROW && pX!=0 && ((const char*)pX)[0]=='-' ){ zSql = (const char*)pX; }else{ pStmt = (sqlite3_stmt*)pP; switch( p->eTraceType ){ case SHELL_TRACE_EXPANDED: { zSql = sqlite3_expanded_sql(pStmt); break; } #ifdef SQLITE_ENABLE_NORMALIZE case SHELL_TRACE_NORMALIZED: { zSql = sqlite3_normalized_sql(pStmt); break; } #endif default: { zSql = sqlite3_sql(pStmt); break; } } } if( zSql==0 ) return 0; nSql = strlen(zSql); if( nSql>1000000000 ) nSql = 1000000000; while( nSql>0 && zSql[nSql-1]==';' ){ nSql--; } switch( mType ){ case SQLITE_TRACE_ROW: case SQLITE_TRACE_STMT: { sqlite3_fprintf(p->traceOut, "%.*s;\n", (int)nSql, zSql); break; } case SQLITE_TRACE_PROFILE: { sqlite3_int64 nNanosec = pX ? *(sqlite3_int64*)pX : 0; sqlite3_fprintf(p->traceOut, "%.*s; -- %lld ns\n", (int)nSql, zSql, nNanosec); break; } } return 0; } #endif /* ** A no-op routine that runs with the ".breakpoint" doc-command. This is ** a useful spot to set a debugger breakpoint. ** ** This routine does not do anything practical. The code are there simply ** to prevent the compiler from optimizing this routine out. */ static void test_breakpoint(void){ static unsigned int nCall = 0; if( (nCall++)==0xffffffff ) printf("Many .breakpoints have run\n"); } /* ** An object used to read a CSV and other files for import. */ typedef struct ImportCtx ImportCtx; struct ImportCtx { const char *zFile; /* Name of the input file */ FILE *in; /* Read the CSV text from this input stream */ int (SQLITE_CDECL *xCloser)(FILE*); /* Func to close in */ char *z; /* Accumulated text for a field */ i64 n; /* Number of bytes in z */ i64 nAlloc; /* Space allocated for z[] */ int nLine; /* Current line number */ int nRow; /* Number of rows imported */ int nErr; /* Number of errors encountered */ int bNotFirst; /* True if one or more bytes already read */ int cTerm; /* Character that terminated the most recent field */ int cColSep; /* The column separator character. (Usually ",") */ int cRowSep; /* The row separator character. (Usually "\n") */ }; /* Clean up resourced used by an ImportCtx */ static void import_cleanup(ImportCtx *p){ if( p->in!=0 && p->xCloser!=0 ){ p->xCloser(p->in); p->in = 0; } sqlite3_free(p->z); p->z = 0; } /* Append a single byte to z[] */ static void import_append_char(ImportCtx *p, int c){ if( p->n+1>=p->nAlloc ){ p->nAlloc += p->nAlloc + 100; p->z = sqlite3_realloc64(p->z, p->nAlloc); shell_check_oom(p->z); } p->z[p->n++] = (char)c; } /* Read a single field of CSV text. Compatible with rfc4180 and extended ** with the option of having a separator other than ",". ** ** + Input comes from p->in. ** + Store results in p->z of length p->n. Space to hold p->z comes ** from sqlite3_malloc64(). ** + Use p->cSep as the column separator. The default is ",". ** + Use p->rSep as the row separator. The default is "\n". ** + Keep track of the line number in p->nLine. ** + Store the character that terminates the field in p->cTerm. Store ** EOF on end-of-file. ** + Report syntax errors on stderr */ static char *SQLITE_CDECL csv_read_one_field(ImportCtx *p){ int c; int cSep = (u8)p->cColSep; int rSep = (u8)p->cRowSep; p->n = 0; c = fgetc(p->in); if( c==EOF || seenInterrupt ){ p->cTerm = EOF; return 0; } if( c=='"' ){ int pc, ppc; int startLine = p->nLine; int cQuote = c; pc = ppc = 0; while( 1 ){ c = fgetc(p->in); if( c==rSep ) p->nLine++; if( c==cQuote ){ if( pc==cQuote ){ pc = 0; continue; } } if( (c==cSep && pc==cQuote) || (c==rSep && pc==cQuote) || (c==rSep && pc=='\r' && ppc==cQuote) || (c==EOF && pc==cQuote) ){ do{ p->n--; }while( p->z[p->n]!=cQuote ); p->cTerm = c; break; } if( pc==cQuote && c!='\r' ){ sqlite3_fprintf(stderr,"%s:%d: unescaped %c character\n", p->zFile, p->nLine, cQuote); } if( c==EOF ){ sqlite3_fprintf(stderr,"%s:%d: unterminated %c-quoted field\n", p->zFile, startLine, cQuote); p->cTerm = c; break; } import_append_char(p, c); ppc = pc; pc = c; } }else{ /* If this is the first field being parsed and it begins with the ** UTF-8 BOM (0xEF BB BF) then skip the BOM */ if( (c&0xff)==0xef && p->bNotFirst==0 ){ import_append_char(p, c); c = fgetc(p->in); if( (c&0xff)==0xbb ){ import_append_char(p, c); c = fgetc(p->in); if( (c&0xff)==0xbf ){ p->bNotFirst = 1; p->n = 0; return csv_read_one_field(p); } } } while( c!=EOF && c!=cSep && c!=rSep ){ import_append_char(p, c); c = fgetc(p->in); } if( c==rSep ){ p->nLine++; if( p->n>0 && p->z[p->n-1]=='\r' ) p->n--; } p->cTerm = c; } if( p->z ) p->z[p->n] = 0; p->bNotFirst = 1; return p->z; } /* Read a single field of ASCII delimited text. ** ** + Input comes from p->in. ** + Store results in p->z of length p->n. Space to hold p->z comes ** from sqlite3_malloc64(). ** + Use p->cSep as the column separator. The default is "\x1F". ** + Use p->rSep as the row separator. The default is "\x1E". ** + Keep track of the row number in p->nLine. ** + Store the character that terminates the field in p->cTerm. Store ** EOF on end-of-file. ** + Report syntax errors on stderr */ static char *SQLITE_CDECL ascii_read_one_field(ImportCtx *p){ int c; int cSep = (u8)p->cColSep; int rSep = (u8)p->cRowSep; p->n = 0; c = fgetc(p->in); if( c==EOF || seenInterrupt ){ p->cTerm = EOF; return 0; } while( c!=EOF && c!=cSep && c!=rSep ){ import_append_char(p, c); c = fgetc(p->in); } if( c==rSep ){ p->nLine++; } p->cTerm = c; if( p->z ) p->z[p->n] = 0; return p->z; } /* ** Try to transfer data for table zTable. If an error is seen while ** moving forward, try to go backwards. The backwards movement won't ** work for WITHOUT ROWID tables. */ static void tryToCloneData( ShellState *p, sqlite3 *newDb, const char *zTable ){ sqlite3_stmt *pQuery = 0; sqlite3_stmt *pInsert = 0; char *zQuery = 0; char *zInsert = 0; int rc; int i, j, n; int nTable = strlen30(zTable); int k = 0; int cnt = 0; const int spinRate = 10000; zQuery = sqlite3_mprintf("SELECT * FROM \"%w\"", zTable); shell_check_oom(zQuery); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ sqlite3_fprintf(stderr,"Error %d: %s on [%s]\n", sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), zQuery); goto end_data_xfer; } n = sqlite3_column_count(pQuery); zInsert = sqlite3_malloc64(200 + nTable + n*3); shell_check_oom(zInsert); sqlite3_snprintf(200+nTable,zInsert, "INSERT OR IGNORE INTO \"%s\" VALUES(?", zTable); i = strlen30(zInsert); for(j=1; j<n; j++){ memcpy(zInsert+i, ",?", 2); i += 2; } memcpy(zInsert+i, ");", 3); rc = sqlite3_prepare_v2(newDb, zInsert, -1, &pInsert, 0); if( rc ){ sqlite3_fprintf(stderr,"Error %d: %s on [%s]\n", sqlite3_extended_errcode(newDb), sqlite3_errmsg(newDb), zInsert); goto end_data_xfer; } for(k=0; k<2; k++){ while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){ for(i=0; i<n; i++){ switch( sqlite3_column_type(pQuery, i) ){ case SQLITE_NULL: { sqlite3_bind_null(pInsert, i+1); break; } case SQLITE_INTEGER: { sqlite3_bind_int64(pInsert, i+1, sqlite3_column_int64(pQuery,i)); break; } case SQLITE_FLOAT: { sqlite3_bind_double(pInsert, i+1, sqlite3_column_double(pQuery,i)); break; } case SQLITE_TEXT: { sqlite3_bind_text(pInsert, i+1, (const char*)sqlite3_column_text(pQuery,i), -1, SQLITE_STATIC); break; } case SQLITE_BLOB: { sqlite3_bind_blob(pInsert, i+1, sqlite3_column_blob(pQuery,i), sqlite3_column_bytes(pQuery,i), SQLITE_STATIC); break; } } } /* End for */ rc = sqlite3_step(pInsert); if( rc!=SQLITE_OK && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){ sqlite3_fprintf(stderr,"Error %d: %s\n", sqlite3_extended_errcode(newDb), sqlite3_errmsg(newDb)); } sqlite3_reset(pInsert); cnt++; if( (cnt%spinRate)==0 ){ printf("%c\b", "|/-\\"[(cnt/spinRate)%4]); fflush(stdout); } } /* End while */ if( rc==SQLITE_DONE ) break; sqlite3_finalize(pQuery); sqlite3_free(zQuery); zQuery = sqlite3_mprintf("SELECT * FROM \"%w\" ORDER BY rowid DESC;", zTable); shell_check_oom(zQuery); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ sqlite3_fprintf(stderr,"Warning: cannot step \"%s\" backwards", zTable); break; } } /* End for(k=0...) */ end_data_xfer: sqlite3_finalize(pQuery); sqlite3_finalize(pInsert); sqlite3_free(zQuery); sqlite3_free(zInsert); } /* ** Try to transfer all rows of the schema that match zWhere. For ** each row, invoke xForEach() on the object defined by that row. ** If an error is encountered while moving forward through the ** sqlite_schema table, try again moving backwards. */ static void tryToCloneSchema( ShellState *p, sqlite3 *newDb, const char *zWhere, void (*xForEach)(ShellState*,sqlite3*,const char*) ){ sqlite3_stmt *pQuery = 0; char *zQuery = 0; int rc; const unsigned char *zName; const unsigned char *zSql; char *zErrMsg = 0; zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_schema" " WHERE %s ORDER BY rowid ASC", zWhere); shell_check_oom(zQuery); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ sqlite3_fprintf(stderr, "Error: (%d) %s on [%s]\n", sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), zQuery); goto end_schema_xfer; } while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){ zName = sqlite3_column_text(pQuery, 0); zSql = sqlite3_column_text(pQuery, 1); if( zName==0 || zSql==0 ) continue; if( sqlite3_stricmp((char*)zName, "sqlite_sequence")!=0 ){ sqlite3_fprintf(stdout, "%s... ", zName); fflush(stdout); sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg); if( zErrMsg ){ sqlite3_fprintf(stderr,"Error: %s\nSQL: [%s]\n", zErrMsg, zSql); sqlite3_free(zErrMsg); zErrMsg = 0; } } if( xForEach ){ xForEach(p, newDb, (const char*)zName); } sputz(stdout, "done\n"); } if( rc!=SQLITE_DONE ){ sqlite3_finalize(pQuery); sqlite3_free(zQuery); zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_schema" " WHERE %s ORDER BY rowid DESC", zWhere); shell_check_oom(zQuery); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ sqlite3_fprintf(stderr,"Error: (%d) %s on [%s]\n", sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db), zQuery); goto end_schema_xfer; } while( sqlite3_step(pQuery)==SQLITE_ROW ){ zName = sqlite3_column_text(pQuery, 0); zSql = sqlite3_column_text(pQuery, 1); if( zName==0 || zSql==0 ) continue; if( sqlite3_stricmp((char*)zName, "sqlite_sequence")==0 ) continue; sqlite3_fprintf(stdout, "%s... ", zName); fflush(stdout); sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg); if( zErrMsg ){ sqlite3_fprintf(stderr,"Error: %s\nSQL: [%s]\n", zErrMsg, zSql); sqlite3_free(zErrMsg); zErrMsg = 0; } if( xForEach ){ xForEach(p, newDb, (const char*)zName); } sputz(stdout, "done\n"); } } end_schema_xfer: sqlite3_finalize(pQuery); sqlite3_free(zQuery); } /* ** Open a new database file named "zNewDb". Try to recover as much information ** as possible out of the main database (which might be corrupt) and write it ** into zNewDb. */ static void tryToClone(ShellState *p, const char *zNewDb){ int rc; sqlite3 *newDb = 0; if( access(zNewDb,0)==0 ){ sqlite3_fprintf(stderr,"File \"%s\" already exists.\n", zNewDb); return; } rc = sqlite3_open(zNewDb, &newDb); if( rc ){ sqlite3_fprintf(stderr, "Cannot create output database: %s\n", sqlite3_errmsg(newDb)); }else{ sqlite3_exec(p->db, "PRAGMA writable_schema=ON;", 0, 0, 0); sqlite3_exec(newDb, "BEGIN EXCLUSIVE;", 0, 0, 0); tryToCloneSchema(p, newDb, "type='table'", tryToCloneData); tryToCloneSchema(p, newDb, "type!='table'", 0); sqlite3_exec(newDb, "COMMIT;", 0, 0, 0); sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0); } close_db(newDb); } #ifndef SQLITE_SHELL_FIDDLE /* ** Change the output stream (file or pipe or console) to something else. */ static void output_redir(ShellState *p, FILE *pfNew){ if( p->out != stdout ){ sqlite3_fputs("Output already redirected.\n", stderr); }else{ p->out = pfNew; setCrlfMode(p); if( p->mode==MODE_Www ){ sqlite3_fputs( "<!DOCTYPE html>\n" "<HTML><BODY><PRE>\n", p->out ); } } } /* ** Change the output file back to stdout. ** ** If the p->doXdgOpen flag is set, that means the output was being ** redirected to a temporary file named by p->zTempFile. In that case, ** launch start/open/xdg-open on that temporary file. */ static void output_reset(ShellState *p){ if( p->outfile[0]=='|' ){ #ifndef SQLITE_OMIT_POPEN pclose(p->out); #endif }else{ if( p->mode==MODE_Www ){ sqlite3_fputs("</PRE></BODY></HTML>\n", p->out); } output_file_close(p->out); #ifndef SQLITE_NOHAVE_SYSTEM if( p->doXdgOpen ){ const char *zXdgOpenCmd = #if defined(_WIN32) "start"; #elif defined(__APPLE__) "open"; #else "xdg-open"; #endif char *zCmd; zCmd = sqlite3_mprintf("%s %s", zXdgOpenCmd, p->zTempFile); if( system(zCmd) ){ sqlite3_fprintf(stderr,"Failed: [%s]\n", zCmd); }else{ /* Give the start/open/xdg-open command some time to get ** going before we continue, and potential delete the ** p->zTempFile data file out from under it */ sqlite3_sleep(2000); } sqlite3_free(zCmd); outputModePop(p); p->doXdgOpen = 0; } #endif /* !defined(SQLITE_NOHAVE_SYSTEM) */ } p->outfile[0] = 0; p->out = stdout; setCrlfMode(p); } #else # define output_redir(SS,pfO) # define output_reset(SS) #endif /* ** Run an SQL command and return the single integer result. */ static int db_int(sqlite3 *db, const char *zSql, ...){ sqlite3_stmt *pStmt; int res = 0; char *z; va_list ap; va_start(ap, zSql); z = sqlite3_vmprintf(zSql, ap); va_end(ap); sqlite3_prepare_v2(db, z, -1, &pStmt, 0); if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){ res = sqlite3_column_int(pStmt,0); } sqlite3_finalize(pStmt); sqlite3_free(z); return res; } #if SQLITE_SHELL_HAVE_RECOVER /* ** Convert a 2-byte or 4-byte big-endian integer into a native integer */ static unsigned int get2byteInt(unsigned char *a){ return ((unsigned int)a[0]<<8) + (unsigned int)a[1]; } static unsigned int get4byteInt(unsigned char *a){ return ((unsigned int)a[0]<<24) + ((unsigned int)a[1]<<16) + ((unsigned int)a[2]<<8) + (unsigned int)a[3]; } /* ** Implementation of the ".dbinfo" command. ** ** Return 1 on error, 2 to exit, and 0 otherwise. */ static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){ static const struct { const char *zName; int ofst; } aField[] = { { "file change counter:", 24 }, { "database page count:", 28 }, { "freelist page count:", 36 }, { "schema cookie:", 40 }, { "schema format:", 44 }, { "default cache size:", 48 }, { "autovacuum top root:", 52 }, { "incremental vacuum:", 64 }, { "text encoding:", 56 }, { "user version:", 60 }, { "application id:", 68 }, { "software version:", 96 }, }; static const struct { const char *zName; const char *zSql; } aQuery[] = { { "number of tables:", "SELECT count(*) FROM %s WHERE type='table'" }, { "number of indexes:", "SELECT count(*) FROM %s WHERE type='index'" }, { "number of triggers:", "SELECT count(*) FROM %s WHERE type='trigger'" }, { "number of views:", "SELECT count(*) FROM %s WHERE type='view'" }, { "schema size:", "SELECT total(length(sql)) FROM %s" }, }; int i, rc; unsigned iDataVersion; char *zSchemaTab; char *zDb = nArg>=2 ? azArg[1] : "main"; sqlite3_stmt *pStmt = 0; unsigned char aHdr[100]; open_db(p, 0); if( p->db==0 ) return 1; rc = sqlite3_prepare_v2(p->db, "SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", -1, &pStmt, 0); if( rc ){ sqlite3_fprintf(stderr,"error: %s\n", sqlite3_errmsg(p->db)); sqlite3_finalize(pStmt); return 1; } sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC); if( sqlite3_step(pStmt)==SQLITE_ROW && sqlite3_column_bytes(pStmt,0)>100 ){ const u8 *pb = sqlite3_column_blob(pStmt,0); shell_check_oom(pb); memcpy(aHdr, pb, 100); sqlite3_finalize(pStmt); }else{ sqlite3_fputs("unable to read database header\n", stderr); sqlite3_finalize(pStmt); return 1; } i = get2byteInt(aHdr+16); if( i==1 ) i = 65536; sqlite3_fprintf(p->out, "%-20s %d\n", "database page size:", i); sqlite3_fprintf(p->out, "%-20s %d\n", "write format:", aHdr[18]); sqlite3_fprintf(p->out, "%-20s %d\n", "read format:", aHdr[19]); sqlite3_fprintf(p->out, "%-20s %d\n", "reserved bytes:", aHdr[20]); for(i=0; i<ArraySize(aField); i++){ int ofst = aField[i].ofst; unsigned int val = get4byteInt(aHdr + ofst); sqlite3_fprintf(p->out, "%-20s %u", aField[i].zName, val); switch( ofst ){ case 56: { if( val==1 ) sqlite3_fputs(" (utf8)", p->out); if( val==2 ) sqlite3_fputs(" (utf16le)", p->out); if( val==3 ) sqlite3_fputs(" (utf16be)", p->out); } } sqlite3_fputs("\n", p->out); } if( zDb==0 ){ zSchemaTab = sqlite3_mprintf("main.sqlite_schema"); }else if( cli_strcmp(zDb,"temp")==0 ){ zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_schema"); }else{ zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_schema", zDb); } for(i=0; i<ArraySize(aQuery); i++){ int val = db_int(p->db, aQuery[i].zSql, zSchemaTab); sqlite3_fprintf(p->out, "%-20s %d\n", aQuery[i].zName, val); } sqlite3_free(zSchemaTab); sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_DATA_VERSION, &iDataVersion); sqlite3_fprintf(p->out, "%-20s %u\n", "data version", iDataVersion); return 0; } #endif /* SQLITE_SHELL_HAVE_RECOVER */ /* ** Implementation of the ".dbtotxt" command. ** ** Return 1 on error, 2 to exit, and 0 otherwise. */ static int shell_dbtotxt_command(ShellState *p, int nArg, char **azArg){ sqlite3_stmt *pStmt = 0; sqlite3_int64 nPage = 0; int pgSz = 0; const char *zTail; char *zName = 0; int rc, i, j; unsigned char bShow[256]; /* Characters ok to display */ UNUSED_PARAMETER(nArg); UNUSED_PARAMETER(azArg); memset(bShow, '.', sizeof(bShow)); for(i=' '; i<='~'; i++){ if( i!='{' && i!='}' && i!='"' && i!='\\' ) bShow[i] = (unsigned char)i; } rc = sqlite3_prepare_v2(p->db, "PRAGMA page_size", -1, &pStmt, 0); if( rc ) goto dbtotxt_error; rc = 0; if( sqlite3_step(pStmt)!=SQLITE_ROW ) goto dbtotxt_error; pgSz = sqlite3_column_int(pStmt, 0); sqlite3_finalize(pStmt); pStmt = 0; if( pgSz<512 || pgSz>65536 || (pgSz&(pgSz-1))!=0 ) goto dbtotxt_error; rc = sqlite3_prepare_v2(p->db, "PRAGMA page_count", -1, &pStmt, 0); if( rc ) goto dbtotxt_error; rc = 0; if( sqlite3_step(pStmt)!=SQLITE_ROW ) goto dbtotxt_error; nPage = sqlite3_column_int64(pStmt, 0); sqlite3_finalize(pStmt); pStmt = 0; if( nPage<1 ) goto dbtotxt_error; rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0); if( rc ) goto dbtotxt_error; if( sqlite3_step(pStmt)!=SQLITE_ROW ){ zTail = "unk.db"; }else{ const char *zFilename = (const char*)sqlite3_column_text(pStmt, 2); if( zFilename==0 || zFilename[0]==0 ) zFilename = "unk.db"; zTail = strrchr(zFilename, '/'); #if defined(_WIN32) if( zTail==0 ) zTail = strrchr(zFilename, '\\'); #endif if( zTail==0 ){ zTail = zFilename; }else if( zTail[1]!=0 ){ zTail++; } } zName = strdup(zTail); shell_check_oom(zName); sqlite3_fprintf(p->out, "| size %lld pagesize %d filename %s\n", nPage*pgSz, pgSz, zName); sqlite3_finalize(pStmt); pStmt = 0; rc = sqlite3_prepare_v2(p->db, "SELECT pgno, data FROM sqlite_dbpage ORDER BY pgno", -1, &pStmt, 0); if( rc ) goto dbtotxt_error; while( sqlite3_step(pStmt)==SQLITE_ROW ){ sqlite3_int64 pgno = sqlite3_column_int64(pStmt, 0); const u8 *aData = sqlite3_column_blob(pStmt, 1); int seenPageLabel = 0; for(i=0; i<pgSz; i+=16){ const u8 *aLine = aData+i; for(j=0; j<16 && aLine[j]==0; j++){} if( j==16 ) continue; if( !seenPageLabel ){ sqlite3_fprintf(p->out, "| page %lld offset %lld\n",pgno,(pgno-1)*pgSz); seenPageLabel = 1; } sqlite3_fprintf(p->out, "| %5d:", i); for(j=0; j<16; j++) sqlite3_fprintf(p->out, " %02x", aLine[j]); sqlite3_fprintf(p->out, " "); for(j=0; j<16; j++){ unsigned char c = (unsigned char)aLine[j]; sqlite3_fprintf(p->out, "%c", bShow[c]); } sqlite3_fprintf(p->out, "\n"); } } sqlite3_finalize(pStmt); sqlite3_fprintf(p->out, "| end %s\n", zName); free(zName); return 0; dbtotxt_error: if( rc ){ sqlite3_fprintf(stderr, "ERROR: %s\n", sqlite3_errmsg(p->db)); } sqlite3_finalize(pStmt); free(zName); return 1; } /* ** Print the given string as an error message. */ static void shellEmitError(const char *zErr){ sqlite3_fprintf(stderr,"Error: %s\n", zErr); } /* ** Print the current sqlite3_errmsg() value to stderr and return 1. */ static int shellDatabaseError(sqlite3 *db){ shellEmitError(sqlite3_errmsg(db)); return 1; } /* ** Compare the pattern in zGlob[] against the text in z[]. Return TRUE ** if they match and FALSE (0) if they do not match. ** ** Globbing rules: ** ** '*' Matches any sequence of zero or more characters. ** ** '?' Matches exactly one character. ** ** [...] Matches one character from the enclosed list of ** characters. ** ** [^...] Matches one character not in the enclosed list. ** ** '#' Matches any sequence of one or more digits with an ** optional + or - sign in front ** ** ' ' Any span of whitespace matches any other span of ** whitespace. ** ** Extra whitespace at the end of z[] is ignored. */ static int testcase_glob(const char *zGlob, const char *z){ int c, c2; int invert; int seen; while( (c = (*(zGlob++)))!=0 ){ if( IsSpace(c) ){ if( !IsSpace(*z) ) return 0; while( IsSpace(*zGlob) ) zGlob++; while( IsSpace(*z) ) z++; }else if( c=='*' ){ while( (c=(*(zGlob++))) == '*' || c=='?' ){ if( c=='?' && (*(z++))==0 ) return 0; } if( c==0 ){ return 1; }else if( c=='[' ){ while( *z && testcase_glob(zGlob-1,z)==0 ){ z++; } return (*z)!=0; } while( (c2 = (*(z++)))!=0 ){ while( c2!=c ){ c2 = *(z++); if( c2==0 ) return 0; } if( testcase_glob(zGlob,z) ) return 1; } return 0; }else if( c=='?' ){ if( (*(z++))==0 ) return 0; }else if( c=='[' ){ int prior_c = 0; seen = 0; invert = 0; c = *(z++); if( c==0 ) return 0; c2 = *(zGlob++); if( c2=='^' ){ invert = 1; c2 = *(zGlob++); } if( c2==']' ){ if( c==']' ) seen = 1; c2 = *(zGlob++); } while( c2 && c2!=']' ){ if( c2=='-' && zGlob[0]!=']' && zGlob[0]!=0 && prior_c>0 ){ c2 = *(zGlob++); if( c>=prior_c && c<=c2 ) seen = 1; prior_c = 0; }else{ if( c==c2 ){ seen = 1; } prior_c = c2; } c2 = *(zGlob++); } if( c2==0 || (seen ^ invert)==0 ) return 0; }else if( c=='#' ){ if( (z[0]=='-' || z[0]=='+') && IsDigit(z[1]) ) z++; if( !IsDigit(z[0]) ) return 0; z++; while( IsDigit(z[0]) ){ z++; } }else{ if( c!=(*(z++)) ) return 0; } } while( IsSpace(*z) ){ z++; } return *z==0; } /* ** Compare the string as a command-line option with either one or two ** initial "-" characters. */ static int optionMatch(const char *zStr, const char *zOpt){ if( zStr[0]!='-' ) return 0; zStr++; if( zStr[0]=='-' ) zStr++; return cli_strcmp(zStr, zOpt)==0; } /* ** The input zFN is guaranteed to start with "file:" and is thus a URI ** filename. Extract the actual filename and return a pointer to that ** filename in spaced obtained from sqlite3_malloc(). ** ** The caller is responsible for freeing space using sqlite3_free() when ** it has finished with the filename. */ static char *shellFilenameFromUri(const char *zFN){ char *zOut; int i, j, d1, d2; assert( cli_strncmp(zFN,"file:",5)==0 ); zOut = sqlite3_mprintf("%s", zFN+5); shell_check_oom(zOut); for(i=j=0; zOut[i]!=0 && zOut[i]!='?'; i++){ if( zOut[i]!='%' ){ zOut[j++] = zOut[i]; continue; } d1 = hexDigitValue(zOut[i+1]); if( d1<0 ){ zOut[j] = 0; break; } d2 = hexDigitValue(zOut[i+2]); if( d2<0 ){ zOut[j] = 0; break; } zOut[j++] = d1*16 + d2; i += 2; } zOut[j] = 0; return zOut; } /* ** Delete a file. */ int shellDeleteFile(const char *zFilename){ int rc; #ifdef _WIN32 wchar_t *z = sqlite3_win32_utf8_to_unicode(zFilename); rc = _wunlink(z); sqlite3_free(z); #else rc = unlink(zFilename); #endif return rc; } /* ** Try to delete the temporary file (if there is one) and free the ** memory used to hold the name of the temp file. */ static void clearTempFile(ShellState *p){ if( p->zTempFile==0 ) return; if( p->doXdgOpen ) return; if( shellDeleteFile(p->zTempFile) ) return; sqlite3_free(p->zTempFile); p->zTempFile = 0; } /* ** Create a new temp file name with the given suffix. */ static void newTempFile(ShellState *p, const char *zSuffix){ clearTempFile(p); sqlite3_free(p->zTempFile); p->zTempFile = 0; if( p->db ){ sqlite3_file_control(p->db, 0, SQLITE_FCNTL_TEMPFILENAME, &p->zTempFile); } if( p->zTempFile==0 ){ /* If p->db is an in-memory database then the TEMPFILENAME file-control ** will not work and we will need to fallback to guessing */ char *zTemp; sqlite3_uint64 r; sqlite3_randomness(sizeof(r), &r); zTemp = getenv("TEMP"); if( zTemp==0 ) zTemp = getenv("TMP"); if( zTemp==0 ){ #ifdef _WIN32 zTemp = "\\tmp"; #else zTemp = "/tmp"; #endif } p->zTempFile = sqlite3_mprintf("%s/temp%llx.%s", zTemp, r, zSuffix); }else{ p->zTempFile = sqlite3_mprintf("%z.%s", p->zTempFile, zSuffix); } shell_check_oom(p->zTempFile); } /* ** The implementation of SQL scalar function fkey_collate_clause(), used ** by the ".lint fkey-indexes" command. This scalar function is always ** called with four arguments - the parent table name, the parent column name, ** the child table name and the child column name. ** ** fkey_collate_clause('parent-tab', 'parent-col', 'child-tab', 'child-col') ** ** If either of the named tables or columns do not exist, this function ** returns an empty string. An empty string is also returned if both tables ** and columns exist but have the same default collation sequence. Or, ** if both exist but the default collation sequences are different, this ** function returns the string " COLLATE <parent-collation>", where ** <parent-collation> is the default collation sequence of the parent column. */ static void shellFkeyCollateClause( sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ sqlite3 *db = sqlite3_context_db_handle(pCtx); const char *zParent; const char *zParentCol; const char *zParentSeq; const char *zChild; const char *zChildCol; const char *zChildSeq = 0; /* Initialize to avoid false-positive warning */ int rc; assert( nVal==4 ); zParent = (const char*)sqlite3_value_text(apVal[0]); zParentCol = (const char*)sqlite3_value_text(apVal[1]); zChild = (const char*)sqlite3_value_text(apVal[2]); zChildCol = (const char*)sqlite3_value_text(apVal[3]); sqlite3_result_text(pCtx, "", -1, SQLITE_STATIC); rc = sqlite3_table_column_metadata( db, "main", zParent, zParentCol, 0, &zParentSeq, 0, 0, 0 ); if( rc==SQLITE_OK ){ rc = sqlite3_table_column_metadata( db, "main", zChild, zChildCol, 0, &zChildSeq, 0, 0, 0 ); } if( rc==SQLITE_OK && sqlite3_stricmp(zParentSeq, zChildSeq) ){ char *z = sqlite3_mprintf(" COLLATE %s", zParentSeq); sqlite3_result_text(pCtx, z, -1, SQLITE_TRANSIENT); sqlite3_free(z); } } /* ** The implementation of dot-command ".lint fkey-indexes". */ static int lintFkeyIndexes( ShellState *pState, /* Current shell tool state */ char **azArg, /* Array of arguments passed to dot command */ int nArg /* Number of entries in azArg[] */ ){ sqlite3 *db = pState->db; /* Database handle to query "main" db of */ int bVerbose = 0; /* If -verbose is present */ int bGroupByParent = 0; /* If -groupbyparent is present */ int i; /* To iterate through azArg[] */ const char *zIndent = ""; /* How much to indent CREATE INDEX by */ int rc; /* Return code */ sqlite3_stmt *pSql = 0; /* Compiled version of SQL statement below */ FILE *out = pState->out; /* Send output here */ /* ** This SELECT statement returns one row for each foreign key constraint ** in the schema of the main database. The column values are: ** ** 0. The text of an SQL statement similar to: ** ** "EXPLAIN QUERY PLAN SELECT 1 FROM child_table WHERE child_key=?" ** ** This SELECT is similar to the one that the foreign keys implementation ** needs to run internally on child tables. If there is an index that can ** be used to optimize this query, then it can also be used by the FK ** implementation to optimize DELETE or UPDATE statements on the parent ** table. ** ** 1. A GLOB pattern suitable for sqlite3_strglob(). If the plan output by ** the EXPLAIN QUERY PLAN command matches this pattern, then the schema ** contains an index that can be used to optimize the query. ** ** 2. Human readable text that describes the child table and columns. e.g. ** ** "child_table(child_key1, child_key2)" ** ** 3. Human readable text that describes the parent table and columns. e.g. ** ** "parent_table(parent_key1, parent_key2)" ** ** 4. A full CREATE INDEX statement for an index that could be used to ** optimize DELETE or UPDATE statements on the parent table. e.g. ** ** "CREATE INDEX child_table_child_key ON child_table(child_key)" ** ** 5. The name of the parent table. ** ** These six values are used by the C logic below to generate the report. */ const char *zSql = "SELECT " " 'EXPLAIN QUERY PLAN SELECT 1 FROM ' || quote(s.name) || ' WHERE '" " || group_concat(quote(s.name) || '.' || quote(f.[from]) || '=?' " " || fkey_collate_clause(" " f.[table], COALESCE(f.[to], p.[name]), s.name, f.[from]),' AND ')" ", " " 'SEARCH ' || s.name || ' USING COVERING INDEX*('" " || group_concat('*=?', ' AND ') || ')'" ", " " s.name || '(' || group_concat(f.[from], ', ') || ')'" ", " " f.[table] || '(' || group_concat(COALESCE(f.[to], p.[name])) || ')'" ", " " 'CREATE INDEX ' || quote(s.name ||'_'|| group_concat(f.[from], '_'))" " || ' ON ' || quote(s.name) || '('" " || group_concat(quote(f.[from]) ||" " fkey_collate_clause(" " f.[table], COALESCE(f.[to], p.[name]), s.name, f.[from]), ', ')" " || ');'" ", " " f.[table] " "FROM sqlite_schema AS s, pragma_foreign_key_list(s.name) AS f " "LEFT JOIN pragma_table_info AS p ON (pk-1=seq AND p.arg=f.[table]) " "GROUP BY s.name, f.id " "ORDER BY (CASE WHEN ? THEN f.[table] ELSE s.name END)" ; const char *zGlobIPK = "SEARCH * USING INTEGER PRIMARY KEY (rowid=?)"; for(i=2; i<nArg; i++){ int n = strlen30(azArg[i]); if( n>1 && sqlite3_strnicmp("-verbose", azArg[i], n)==0 ){ bVerbose = 1; } else if( n>1 && sqlite3_strnicmp("-groupbyparent", azArg[i], n)==0 ){ bGroupByParent = 1; zIndent = " "; } else{ sqlite3_fprintf(stderr, "Usage: %s %s ?-verbose? ?-groupbyparent?\n", azArg[0], azArg[1]); return SQLITE_ERROR; } } /* Register the fkey_collate_clause() SQL function */ rc = sqlite3_create_function(db, "fkey_collate_clause", 4, SQLITE_UTF8, 0, shellFkeyCollateClause, 0, 0 ); if( rc==SQLITE_OK ){ rc = sqlite3_prepare_v2(db, zSql, -1, &pSql, 0); } if( rc==SQLITE_OK ){ sqlite3_bind_int(pSql, 1, bGroupByParent); } if( rc==SQLITE_OK ){ int rc2; char *zPrev = 0; while( SQLITE_ROW==sqlite3_step(pSql) ){ int res = -1; sqlite3_stmt *pExplain = 0; const char *zEQP = (const char*)sqlite3_column_text(pSql, 0); const char *zGlob = (const char*)sqlite3_column_text(pSql, 1); const char *zFrom = (const char*)sqlite3_column_text(pSql, 2); const char *zTarget = (const char*)sqlite3_column_text(pSql, 3); const char *zCI = (const char*)sqlite3_column_text(pSql, 4); const char *zParent = (const char*)sqlite3_column_text(pSql, 5); if( zEQP==0 ) continue; if( zGlob==0 ) continue; rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0); if( rc!=SQLITE_OK ) break; if( SQLITE_ROW==sqlite3_step(pExplain) ){ const char *zPlan = (const char*)sqlite3_column_text(pExplain, 3); res = zPlan!=0 && ( 0==sqlite3_strglob(zGlob, zPlan) || 0==sqlite3_strglob(zGlobIPK, zPlan)); } rc = sqlite3_finalize(pExplain); if( rc!=SQLITE_OK ) break; if( res<0 ){ sqlite3_fputs("Error: internal error", stderr); break; }else{ if( bGroupByParent && (bVerbose || res==0) && (zPrev==0 || sqlite3_stricmp(zParent, zPrev)) ){ sqlite3_fprintf(out, "-- Parent table %s\n", zParent); sqlite3_free(zPrev); zPrev = sqlite3_mprintf("%s", zParent); } if( res==0 ){ sqlite3_fprintf(out, "%s%s --> %s\n", zIndent, zCI, zTarget); }else if( bVerbose ){ sqlite3_fprintf(out, "%s/* no extra indexes required for %s -> %s */\n", zIndent, zFrom, zTarget ); } } } sqlite3_free(zPrev); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr,"%s\n", sqlite3_errmsg(db)); } rc2 = sqlite3_finalize(pSql); if( rc==SQLITE_OK && rc2!=SQLITE_OK ){ rc = rc2; sqlite3_fprintf(stderr,"%s\n", sqlite3_errmsg(db)); } }else{ sqlite3_fprintf(stderr,"%s\n", sqlite3_errmsg(db)); } return rc; } /* ** Implementation of ".lint" dot command. */ static int lintDotCommand( ShellState *pState, /* Current shell tool state */ char **azArg, /* Array of arguments passed to dot command */ int nArg /* Number of entries in azArg[] */ ){ int n; n = (nArg>=2 ? strlen30(azArg[1]) : 0); if( n<1 || sqlite3_strnicmp(azArg[1], "fkey-indexes", n) ) goto usage; return lintFkeyIndexes(pState, azArg, nArg); usage: sqlite3_fprintf(stderr,"Usage %s sub-command ?switches...?\n", azArg[0]); sqlite3_fprintf(stderr, "Where sub-commands are:\n"); sqlite3_fprintf(stderr, " fkey-indexes\n"); return SQLITE_ERROR; } static void shellPrepare( sqlite3 *db, int *pRc, const char *zSql, sqlite3_stmt **ppStmt ){ *ppStmt = 0; if( *pRc==SQLITE_OK ){ int rc = sqlite3_prepare_v2(db, zSql, -1, ppStmt, 0); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr, "sql error: %s (%d)\n", sqlite3_errmsg(db), sqlite3_errcode(db)); *pRc = rc; } } } /* ** Create a prepared statement using printf-style arguments for the SQL. */ static void shellPreparePrintf( sqlite3 *db, int *pRc, sqlite3_stmt **ppStmt, const char *zFmt, ... ){ *ppStmt = 0; if( *pRc==SQLITE_OK ){ va_list ap; char *z; va_start(ap, zFmt); z = sqlite3_vmprintf(zFmt, ap); va_end(ap); if( z==0 ){ *pRc = SQLITE_NOMEM; }else{ shellPrepare(db, pRc, z, ppStmt); sqlite3_free(z); } } } /* ** Finalize the prepared statement created using shellPreparePrintf(). */ static void shellFinalize( int *pRc, sqlite3_stmt *pStmt ){ if( pStmt ){ sqlite3 *db = sqlite3_db_handle(pStmt); int rc = sqlite3_finalize(pStmt); if( *pRc==SQLITE_OK ){ if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr,"SQL error: %s\n", sqlite3_errmsg(db)); } *pRc = rc; } } } #if !defined SQLITE_OMIT_VIRTUALTABLE /* Reset the prepared statement created using shellPreparePrintf(). ** ** This routine is could be marked "static". But it is not always used, ** depending on compile-time options. By omitting the "static", we avoid ** nuisance compiler warnings about "defined but not used". */ void shellReset( int *pRc, sqlite3_stmt *pStmt ){ int rc = sqlite3_reset(pStmt); if( *pRc==SQLITE_OK ){ if( rc!=SQLITE_OK ){ sqlite3 *db = sqlite3_db_handle(pStmt); sqlite3_fprintf(stderr,"SQL error: %s\n", sqlite3_errmsg(db)); } *pRc = rc; } } #endif /* !defined SQLITE_OMIT_VIRTUALTABLE */ #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) /****************************************************************************** ** The ".archive" or ".ar" command. */ /* ** Structure representing a single ".ar" command. */ typedef struct ArCommand ArCommand; struct ArCommand { u8 eCmd; /* An AR_CMD_* value */ u8 bVerbose; /* True if --verbose */ u8 bZip; /* True if the archive is a ZIP */ u8 bDryRun; /* True if --dry-run */ u8 bAppend; /* True if --append */ u8 bGlob; /* True if --glob */ u8 fromCmdLine; /* Run from -A instead of .archive */ int nArg; /* Number of command arguments */ char *zSrcTable; /* "sqlar", "zipfile($file)" or "zip" */ const char *zFile; /* --file argument, or NULL */ const char *zDir; /* --directory argument, or NULL */ char **azArg; /* Array of command arguments */ ShellState *p; /* Shell state */ FILE *out; /* Output to this stream */ sqlite3 *db; /* Database containing the archive */ }; /* ** Print a usage message for the .ar command to stderr and return SQLITE_ERROR. */ static int arUsage(FILE *f){ showHelp(f,"archive"); return SQLITE_ERROR; } /* ** Print an error message for the .ar command to stderr and return ** SQLITE_ERROR. */ static int arErrorMsg(ArCommand *pAr, const char *zFmt, ...){ va_list ap; char *z; va_start(ap, zFmt); z = sqlite3_vmprintf(zFmt, ap); va_end(ap); shellEmitError(z); if( pAr->fromCmdLine ){ sqlite3_fputs("Use \"-A\" for more help\n", stderr); }else{ sqlite3_fputs("Use \".archive --help\" for more help\n", stderr); } sqlite3_free(z); return SQLITE_ERROR; } /* ** Values for ArCommand.eCmd. */ #define AR_CMD_CREATE 1 #define AR_CMD_UPDATE 2 #define AR_CMD_INSERT 3 #define AR_CMD_EXTRACT 4 #define AR_CMD_LIST 5 #define AR_CMD_HELP 6 #define AR_CMD_REMOVE 7 /* ** Other (non-command) switches. */ #define AR_SWITCH_VERBOSE 8 #define AR_SWITCH_FILE 9 #define AR_SWITCH_DIRECTORY 10 #define AR_SWITCH_APPEND 11 #define AR_SWITCH_DRYRUN 12 #define AR_SWITCH_GLOB 13 static int arProcessSwitch(ArCommand *pAr, int eSwitch, const char *zArg){ switch( eSwitch ){ case AR_CMD_CREATE: case AR_CMD_EXTRACT: case AR_CMD_LIST: case AR_CMD_REMOVE: case AR_CMD_UPDATE: case AR_CMD_INSERT: case AR_CMD_HELP: if( pAr->eCmd ){ return arErrorMsg(pAr, "multiple command options"); } pAr->eCmd = eSwitch; break; case AR_SWITCH_DRYRUN: pAr->bDryRun = 1; break; case AR_SWITCH_GLOB: pAr->bGlob = 1; break; case AR_SWITCH_VERBOSE: pAr->bVerbose = 1; break; case AR_SWITCH_APPEND: pAr->bAppend = 1; deliberate_fall_through; /* FALLTHRU */ case AR_SWITCH_FILE: pAr->zFile = zArg; break; case AR_SWITCH_DIRECTORY: pAr->zDir = zArg; break; } return SQLITE_OK; } /* ** Parse the command line for an ".ar" command. The results are written into ** structure (*pAr). SQLITE_OK is returned if the command line is parsed ** successfully, otherwise an error message is written to stderr and ** SQLITE_ERROR returned. */ static int arParseCommand( char **azArg, /* Array of arguments passed to dot command */ int nArg, /* Number of entries in azArg[] */ ArCommand *pAr /* Populate this object */ ){ struct ArSwitch { const char *zLong; char cShort; u8 eSwitch; u8 bArg; } aSwitch[] = { { "create", 'c', AR_CMD_CREATE, 0 }, { "extract", 'x', AR_CMD_EXTRACT, 0 }, { "insert", 'i', AR_CMD_INSERT, 0 }, { "list", 't', AR_CMD_LIST, 0 }, { "remove", 'r', AR_CMD_REMOVE, 0 }, { "update", 'u', AR_CMD_UPDATE, 0 }, { "help", 'h', AR_CMD_HELP, 0 }, { "verbose", 'v', AR_SWITCH_VERBOSE, 0 }, { "file", 'f', AR_SWITCH_FILE, 1 }, { "append", 'a', AR_SWITCH_APPEND, 1 }, { "directory", 'C', AR_SWITCH_DIRECTORY, 1 }, { "dryrun", 'n', AR_SWITCH_DRYRUN, 0 }, { "glob", 'g', AR_SWITCH_GLOB, 0 }, }; int nSwitch = sizeof(aSwitch) / sizeof(struct ArSwitch); struct ArSwitch *pEnd = &aSwitch[nSwitch]; if( nArg<=1 ){ sqlite3_fprintf(stderr, "Wrong number of arguments. Usage:\n"); return arUsage(stderr); }else{ char *z = azArg[1]; if( z[0]!='-' ){ /* Traditional style [tar] invocation */ int i; int iArg = 2; for(i=0; z[i]; i++){ const char *zArg = 0; struct ArSwitch *pOpt; for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ if( z[i]==pOpt->cShort ) break; } if( pOpt==pEnd ){ return arErrorMsg(pAr, "unrecognized option: %c", z[i]); } if( pOpt->bArg ){ if( iArg>=nArg ){ return arErrorMsg(pAr, "option requires an argument: %c",z[i]); } zArg = azArg[iArg++]; } if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR; } pAr->nArg = nArg-iArg; if( pAr->nArg>0 ){ pAr->azArg = &azArg[iArg]; } }else{ /* Non-traditional invocation */ int iArg; for(iArg=1; iArg<nArg; iArg++){ int n; z = azArg[iArg]; if( z[0]!='-' ){ /* All remaining command line words are command arguments. */ pAr->azArg = &azArg[iArg]; pAr->nArg = nArg-iArg; break; } n = strlen30(z); if( z[1]!='-' ){ int i; /* One or more short options */ for(i=1; i<n; i++){ const char *zArg = 0; struct ArSwitch *pOpt; for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ if( z[i]==pOpt->cShort ) break; } if( pOpt==pEnd ){ return arErrorMsg(pAr, "unrecognized option: %c", z[i]); } if( pOpt->bArg ){ if( i<(n-1) ){ zArg = &z[i+1]; i = n; }else{ if( iArg>=(nArg-1) ){ return arErrorMsg(pAr, "option requires an argument: %c", z[i]); } zArg = azArg[++iArg]; } } if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR; } }else if( z[2]=='\0' ){ /* A -- option, indicating that all remaining command line words ** are command arguments. */ pAr->azArg = &azArg[iArg+1]; pAr->nArg = nArg-iArg-1; break; }else{ /* A long option */ const char *zArg = 0; /* Argument for option, if any */ struct ArSwitch *pMatch = 0; /* Matching option */ struct ArSwitch *pOpt; /* Iterator */ for(pOpt=&aSwitch[0]; pOpt<pEnd; pOpt++){ const char *zLong = pOpt->zLong; if( (n-2)<=strlen30(zLong) && 0==memcmp(&z[2], zLong, n-2) ){ if( pMatch ){ return arErrorMsg(pAr, "ambiguous option: %s",z); }else{ pMatch = pOpt; } } } if( pMatch==0 ){ return arErrorMsg(pAr, "unrecognized option: %s", z); } if( pMatch->bArg ){ if( iArg>=(nArg-1) ){ return arErrorMsg(pAr, "option requires an argument: %s", z); } zArg = azArg[++iArg]; } if( arProcessSwitch(pAr, pMatch->eSwitch, zArg) ) return SQLITE_ERROR; } } } } if( pAr->eCmd==0 ){ sqlite3_fprintf(stderr, "Required argument missing. Usage:\n"); return arUsage(stderr); } return SQLITE_OK; } /* ** This function assumes that all arguments within the ArCommand.azArg[] ** array refer to archive members, as for the --extract, --list or --remove ** commands. It checks that each of them are "present". If any specified ** file is not present in the archive, an error is printed to stderr and an ** error code returned. Otherwise, if all specified arguments are present ** in the archive, SQLITE_OK is returned. Here, "present" means either an ** exact equality when pAr->bGlob is false or a "name GLOB pattern" match ** when pAr->bGlob is true. ** ** This function strips any trailing '/' characters from each argument. ** This is consistent with the way the [tar] command seems to work on ** Linux. */ static int arCheckEntries(ArCommand *pAr){ int rc = SQLITE_OK; if( pAr->nArg ){ int i, j; sqlite3_stmt *pTest = 0; const char *zSel = (pAr->bGlob) ? "SELECT name FROM %s WHERE glob($name,name)" : "SELECT name FROM %s WHERE name=$name"; shellPreparePrintf(pAr->db, &rc, &pTest, zSel, pAr->zSrcTable); j = sqlite3_bind_parameter_index(pTest, "$name"); for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){ char *z = pAr->azArg[i]; int n = strlen30(z); int bOk = 0; while( n>0 && z[n-1]=='/' ) n--; z[n] = '\0'; sqlite3_bind_text(pTest, j, z, -1, SQLITE_STATIC); if( SQLITE_ROW==sqlite3_step(pTest) ){ bOk = 1; } shellReset(&rc, pTest); if( rc==SQLITE_OK && bOk==0 ){ sqlite3_fprintf(stderr,"not found in archive: %s\n", z); rc = SQLITE_ERROR; } } shellFinalize(&rc, pTest); } return rc; } /* ** Format a WHERE clause that can be used against the "sqlar" table to ** identify all archive members that match the command arguments held ** in (*pAr). Leave this WHERE clause in (*pzWhere) before returning. ** The caller is responsible for eventually calling sqlite3_free() on ** any non-NULL (*pzWhere) value. Here, "match" means strict equality ** when pAr->bGlob is false and GLOB match when pAr->bGlob is true. */ static void arWhereClause( int *pRc, ArCommand *pAr, char **pzWhere /* OUT: New WHERE clause */ ){ char *zWhere = 0; if( *pRc==SQLITE_OK ){ if( pAr->nArg==0 ){ zWhere = sqlite3_mprintf("1"); }else{ char *z1 = sqlite3_mprintf(pAr->bGlob ? "" : "name IN("); char *z2 = sqlite3_mprintf(""); const char *zSep1 = ""; const char *zSep2 = ""; int i; for(i=0; i<pAr->nArg && z1 && z2; i++){ const char *z = pAr->azArg[i]; int n = strlen30(z); if( pAr->bGlob ){ z1 = sqlite3_mprintf("%z%sname GLOB '%q'", z1, zSep2, z); z2 = sqlite3_mprintf( "%z%ssubstr(name,1,%d) GLOB '%q/'", z2, zSep2, n+1,z ); }else{ z1 = sqlite3_mprintf("%z%s'%q'", z1, zSep1, z); z2 = sqlite3_mprintf("%z%ssubstr(name,1,%d) = '%q/'",z2,zSep2,n+1,z); } zSep1 = ", "; zSep2 = " OR "; } if( z1==0 || z2==0 ){ *pRc = SQLITE_NOMEM; }else{ zWhere = sqlite3_mprintf("(%s%s OR (name GLOB '*/*' AND (%s))) ", z1, pAr->bGlob==0 ? ")" : "", z2 ); } sqlite3_free(z1); sqlite3_free(z2); } } *pzWhere = zWhere; } /* ** Implementation of .ar "lisT" command. */ static int arListCommand(ArCommand *pAr){ const char *zSql = "SELECT %s FROM %s WHERE %s"; const char *azCols[] = { "name", "lsmode(mode), sz, datetime(mtime, 'unixepoch'), name" }; char *zWhere = 0; sqlite3_stmt *pSql = 0; int rc; rc = arCheckEntries(pAr); arWhereClause(&rc, pAr, &zWhere); shellPreparePrintf(pAr->db, &rc, &pSql, zSql, azCols[pAr->bVerbose], pAr->zSrcTable, zWhere); if( pAr->bDryRun ){ sqlite3_fprintf(pAr->out, "%s\n", sqlite3_sql(pSql)); }else{ while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pSql) ){ if( pAr->bVerbose ){ sqlite3_fprintf(pAr->out, "%s % 10d %s %s\n", sqlite3_column_text(pSql, 0), sqlite3_column_int(pSql, 1), sqlite3_column_text(pSql, 2),sqlite3_column_text(pSql, 3)); }else{ sqlite3_fprintf(pAr->out, "%s\n", sqlite3_column_text(pSql, 0)); } } } shellFinalize(&rc, pSql); sqlite3_free(zWhere); return rc; } /* ** Implementation of .ar "Remove" command. */ static int arRemoveCommand(ArCommand *pAr){ int rc = 0; char *zSql = 0; char *zWhere = 0; if( pAr->nArg ){ /* Verify that args actually exist within the archive before proceeding. ** And formulate a WHERE clause to match them. */ rc = arCheckEntries(pAr); arWhereClause(&rc, pAr, &zWhere); } if( rc==SQLITE_OK ){ zSql = sqlite3_mprintf("DELETE FROM %s WHERE %s;", pAr->zSrcTable, zWhere); if( pAr->bDryRun ){ sqlite3_fprintf(pAr->out, "%s\n", zSql); }else{ char *zErr = 0; rc = sqlite3_exec(pAr->db, "SAVEPOINT ar;", 0, 0, 0); if( rc==SQLITE_OK ){ rc = sqlite3_exec(pAr->db, zSql, 0, 0, &zErr); if( rc!=SQLITE_OK ){ sqlite3_exec(pAr->db, "ROLLBACK TO ar; RELEASE ar;", 0, 0, 0); }else{ rc = sqlite3_exec(pAr->db, "RELEASE ar;", 0, 0, 0); } } if( zErr ){ sqlite3_fprintf(stdout, "ERROR: %s\n", zErr); /* stdout? */ sqlite3_free(zErr); } } } sqlite3_free(zWhere); sqlite3_free(zSql); return rc; } /* ** Implementation of .ar "eXtract" command. */ static int arExtractCommand(ArCommand *pAr){ const char *zSql1 = "SELECT " " ($dir || name)," " writefile(($dir || name), %s, mode, mtime) " "FROM %s WHERE (%s) AND (data IS NULL OR $dirOnly = 0)" " AND name NOT GLOB '*..[/\\]*'"; const char *azExtraArg[] = { "sqlar_uncompress(data, sz)", "data" }; sqlite3_stmt *pSql = 0; int rc = SQLITE_OK; char *zDir = 0; char *zWhere = 0; int i, j; /* If arguments are specified, check that they actually exist within ** the archive before proceeding. And formulate a WHERE clause to ** match them. */ rc = arCheckEntries(pAr); arWhereClause(&rc, pAr, &zWhere); if( rc==SQLITE_OK ){ if( pAr->zDir ){ zDir = sqlite3_mprintf("%s/", pAr->zDir); }else{ zDir = sqlite3_mprintf(""); } if( zDir==0 ) rc = SQLITE_NOMEM; } shellPreparePrintf(pAr->db, &rc, &pSql, zSql1, azExtraArg[pAr->bZip], pAr->zSrcTable, zWhere ); if( rc==SQLITE_OK ){ j = sqlite3_bind_parameter_index(pSql, "$dir"); sqlite3_bind_text(pSql, j, zDir, -1, SQLITE_STATIC); /* Run the SELECT statement twice. The first time, writefile() is called ** for all archive members that should be extracted. The second time, ** only for the directories. This is because the timestamps for ** extracted directories must be reset after they are populated (as ** populating them changes the timestamp). */ for(i=0; i<2; i++){ j = sqlite3_bind_parameter_index(pSql, "$dirOnly"); sqlite3_bind_int(pSql, j, i); if( pAr->bDryRun ){ sqlite3_fprintf(pAr->out, "%s\n", sqlite3_sql(pSql)); }else{ while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pSql) ){ if( i==0 && pAr->bVerbose ){ sqlite3_fprintf(pAr->out, "%s\n", sqlite3_column_text(pSql, 0)); } } } shellReset(&rc, pSql); } shellFinalize(&rc, pSql); } sqlite3_free(zDir); sqlite3_free(zWhere); return rc; } /* ** Run the SQL statement in zSql. Or if doing a --dryrun, merely print it out. */ static int arExecSql(ArCommand *pAr, const char *zSql){ int rc; if( pAr->bDryRun ){ sqlite3_fprintf(pAr->out, "%s\n", zSql); rc = SQLITE_OK; }else{ char *zErr = 0; rc = sqlite3_exec(pAr->db, zSql, 0, 0, &zErr); if( zErr ){ sqlite3_fprintf(stdout, "ERROR: %s\n", zErr); sqlite3_free(zErr); } } return rc; } /* ** Implementation of .ar "create", "insert", and "update" commands. ** ** create -> Create a new SQL archive ** insert -> Insert or reinsert all files listed ** update -> Insert files that have changed or that were not ** previously in the archive ** ** Create the "sqlar" table in the database if it does not already exist. ** Then add each file in the azFile[] array to the archive. Directories ** are added recursively. If argument bVerbose is non-zero, a message is ** printed on stdout for each file archived. ** ** The create command is the same as update, except that it drops ** any existing "sqlar" table before beginning. The "insert" command ** always overwrites every file named on the command-line, where as ** "update" only overwrites if the size or mtime or mode has changed. */ static int arCreateOrUpdateCommand( ArCommand *pAr, /* Command arguments and options */ int bUpdate, /* true for a --create. */ int bOnlyIfChanged /* Only update if file has changed */ ){ const char *zCreate = "CREATE TABLE IF NOT EXISTS sqlar(\n" " name TEXT PRIMARY KEY, -- name of the file\n" " mode INT, -- access permissions\n" " mtime INT, -- last modification time\n" " sz INT, -- original file size\n" " data BLOB -- compressed content\n" ")"; const char *zDrop = "DROP TABLE IF EXISTS sqlar"; const char *zInsertFmt[2] = { "REPLACE INTO %s(name,mode,mtime,sz,data)\n" " SELECT\n" " %s,\n" " mode,\n" " mtime,\n" " CASE substr(lsmode(mode),1,1)\n" " WHEN '-' THEN length(data)\n" " WHEN 'd' THEN 0\n" " ELSE -1 END,\n" " sqlar_compress(data)\n" " FROM fsdir(%Q,%Q) AS disk\n" " WHERE lsmode(mode) NOT LIKE '?%%'%s;" , "REPLACE INTO %s(name,mode,mtime,data)\n" " SELECT\n" " %s,\n" " mode,\n" " mtime,\n" " data\n" " FROM fsdir(%Q,%Q) AS disk\n" " WHERE lsmode(mode) NOT LIKE '?%%'%s;" }; int i; /* For iterating through azFile[] */ int rc; /* Return code */ const char *zTab = 0; /* SQL table into which to insert */ char *zSql; char zTemp[50]; char *zExists = 0; arExecSql(pAr, "PRAGMA page_size=512"); rc = arExecSql(pAr, "SAVEPOINT ar;"); if( rc!=SQLITE_OK ) return rc; zTemp[0] = 0; if( pAr->bZip ){ /* Initialize the zipfile virtual table, if necessary */ if( pAr->zFile ){ sqlite3_uint64 r; sqlite3_randomness(sizeof(r),&r); sqlite3_snprintf(sizeof(zTemp),zTemp,"zip%016llx",r); zTab = zTemp; zSql = sqlite3_mprintf( "CREATE VIRTUAL TABLE temp.%s USING zipfile(%Q)", zTab, pAr->zFile ); rc = arExecSql(pAr, zSql); sqlite3_free(zSql); }else{ zTab = "zip"; } }else{ /* Initialize the table for an SQLAR */ zTab = "sqlar"; if( bUpdate==0 ){ rc = arExecSql(pAr, zDrop); if( rc!=SQLITE_OK ) goto end_ar_transaction; } rc = arExecSql(pAr, zCreate); } if( bOnlyIfChanged ){ zExists = sqlite3_mprintf( " AND NOT EXISTS(" "SELECT 1 FROM %s AS mem" " WHERE mem.name=disk.name" " AND mem.mtime=disk.mtime" " AND mem.mode=disk.mode)", zTab); }else{ zExists = sqlite3_mprintf(""); } if( zExists==0 ) rc = SQLITE_NOMEM; for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){ char *zSql2 = sqlite3_mprintf(zInsertFmt[pAr->bZip], zTab, pAr->bVerbose ? "shell_putsnl(name)" : "name", pAr->azArg[i], pAr->zDir, zExists); rc = arExecSql(pAr, zSql2); sqlite3_free(zSql2); } end_ar_transaction: if( rc!=SQLITE_OK ){ sqlite3_exec(pAr->db, "ROLLBACK TO ar; RELEASE ar;", 0, 0, 0); }else{ rc = arExecSql(pAr, "RELEASE ar;"); if( pAr->bZip && pAr->zFile ){ zSql = sqlite3_mprintf("DROP TABLE %s", zTemp); arExecSql(pAr, zSql); sqlite3_free(zSql); } } sqlite3_free(zExists); return rc; } /* ** Implementation of ".ar" dot command. */ static int arDotCommand( ShellState *pState, /* Current shell tool state */ int fromCmdLine, /* True if -A command-line option, not .ar cmd */ char **azArg, /* Array of arguments passed to dot command */ int nArg /* Number of entries in azArg[] */ ){ ArCommand cmd; int rc; memset(&cmd, 0, sizeof(cmd)); cmd.fromCmdLine = fromCmdLine; rc = arParseCommand(azArg, nArg, &cmd); if( rc==SQLITE_OK ){ int eDbType = SHELL_OPEN_UNSPEC; cmd.p = pState; cmd.out = pState->out; cmd.db = pState->db; if( cmd.zFile ){ eDbType = deduceDatabaseType(cmd.zFile, 1, 0); }else{ eDbType = pState->openMode; } if( eDbType==SHELL_OPEN_ZIPFILE ){ if( cmd.eCmd==AR_CMD_EXTRACT || cmd.eCmd==AR_CMD_LIST ){ if( cmd.zFile==0 ){ cmd.zSrcTable = sqlite3_mprintf("zip"); }else{ cmd.zSrcTable = sqlite3_mprintf("zipfile(%Q)", cmd.zFile); } } cmd.bZip = 1; }else if( cmd.zFile ){ int flags; if( cmd.bAppend ) eDbType = SHELL_OPEN_APPENDVFS; if( cmd.eCmd==AR_CMD_CREATE || cmd.eCmd==AR_CMD_INSERT || cmd.eCmd==AR_CMD_REMOVE || cmd.eCmd==AR_CMD_UPDATE ){ flags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE; }else{ flags = SQLITE_OPEN_READONLY; } cmd.db = 0; if( cmd.bDryRun ){ sqlite3_fprintf(cmd.out, "-- open database '%s'%s\n", cmd.zFile, eDbType==SHELL_OPEN_APPENDVFS ? " using 'apndvfs'" : ""); } rc = sqlite3_open_v2(cmd.zFile, &cmd.db, flags, eDbType==SHELL_OPEN_APPENDVFS ? "apndvfs" : 0); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr, "cannot open file: %s (%s)\n", cmd.zFile, sqlite3_errmsg(cmd.db)); goto end_ar_command; } sqlite3_fileio_init(cmd.db, 0, 0); sqlite3_sqlar_init(cmd.db, 0, 0); sqlite3_create_function(cmd.db, "shell_putsnl", 1, SQLITE_UTF8, cmd.p, shellPutsFunc, 0, 0); } if( cmd.zSrcTable==0 && cmd.bZip==0 && cmd.eCmd!=AR_CMD_HELP ){ if( cmd.eCmd!=AR_CMD_CREATE && sqlite3_table_column_metadata(cmd.db,0,"sqlar","name",0,0,0,0,0) ){ sqlite3_fprintf(stderr, "database does not contain an 'sqlar' table\n"); rc = SQLITE_ERROR; goto end_ar_command; } cmd.zSrcTable = sqlite3_mprintf("sqlar"); } switch( cmd.eCmd ){ case AR_CMD_CREATE: rc = arCreateOrUpdateCommand(&cmd, 0, 0); break; case AR_CMD_EXTRACT: rc = arExtractCommand(&cmd); break; case AR_CMD_LIST: rc = arListCommand(&cmd); break; case AR_CMD_HELP: arUsage(pState->out); break; case AR_CMD_INSERT: rc = arCreateOrUpdateCommand(&cmd, 1, 0); break; case AR_CMD_REMOVE: rc = arRemoveCommand(&cmd); break; default: assert( cmd.eCmd==AR_CMD_UPDATE ); rc = arCreateOrUpdateCommand(&cmd, 1, 1); break; } } end_ar_command: if( cmd.db!=pState->db ){ close_db(cmd.db); } sqlite3_free(cmd.zSrcTable); return rc; } /* End of the ".archive" or ".ar" command logic *******************************************************************************/ #endif /* !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) */ #if SQLITE_SHELL_HAVE_RECOVER /* ** This function is used as a callback by the recover extension. Simply ** print the supplied SQL statement to stdout. */ static int recoverSqlCb(void *pCtx, const char *zSql){ ShellState *pState = (ShellState*)pCtx; sqlite3_fprintf(pState->out, "%s;\n", zSql); return SQLITE_OK; } /* ** This function is called to recover data from the database. A script ** to construct a new database containing all recovered data is output ** on stream pState->out. */ static int recoverDatabaseCmd(ShellState *pState, int nArg, char **azArg){ int rc = SQLITE_OK; const char *zRecoveryDb = ""; /* Name of "recovery" database. Debug only */ const char *zLAF = "lost_and_found"; int bFreelist = 1; /* 0 if --ignore-freelist is specified */ int bRowids = 1; /* 0 if --no-rowids */ sqlite3_recover *p = 0; int i = 0; for(i=1; i<nArg; i++){ char *z = azArg[i]; int n; if( z[0]=='-' && z[1]=='-' ) z++; n = strlen30(z); if( n<=17 && memcmp("-ignore-freelist", z, n)==0 ){ bFreelist = 0; }else if( n<=12 && memcmp("-recovery-db", z, n)==0 && i<(nArg-1) ){ /* This option determines the name of the ATTACH-ed database used ** internally by the recovery extension. The default is "" which ** means to use a temporary database that is automatically deleted ** when closed. This option is undocumented and might disappear at ** any moment. */ i++; zRecoveryDb = azArg[i]; }else if( n<=15 && memcmp("-lost-and-found", z, n)==0 && i<(nArg-1) ){ i++; zLAF = azArg[i]; }else if( n<=10 && memcmp("-no-rowids", z, n)==0 ){ bRowids = 0; } else{ sqlite3_fprintf(stderr,"unexpected option: %s\n", azArg[i]); showHelp(pState->out, azArg[0]); return 1; } } p = sqlite3_recover_init_sql( pState->db, "main", recoverSqlCb, (void*)pState ); sqlite3_recover_config(p, 789, (void*)zRecoveryDb); /* Debug use only */ sqlite3_recover_config(p, SQLITE_RECOVER_LOST_AND_FOUND, (void*)zLAF); sqlite3_recover_config(p, SQLITE_RECOVER_ROWIDS, (void*)&bRowids); sqlite3_recover_config(p, SQLITE_RECOVER_FREELIST_CORRUPT,(void*)&bFreelist); sqlite3_fprintf(pState->out, ".dbconfig defensive off\n"); sqlite3_recover_run(p); if( sqlite3_recover_errcode(p)!=SQLITE_OK ){ const char *zErr = sqlite3_recover_errmsg(p); int errCode = sqlite3_recover_errcode(p); sqlite3_fprintf(stderr,"sql error: %s (%d)\n", zErr, errCode); } rc = sqlite3_recover_finish(p); return rc; } #endif /* SQLITE_SHELL_HAVE_RECOVER */ /* ** Implementation of ".intck STEPS_PER_UNLOCK" command. */ static int intckDatabaseCmd(ShellState *pState, i64 nStepPerUnlock){ sqlite3_intck *p = 0; int rc = SQLITE_OK; rc = sqlite3_intck_open(pState->db, "main", &p); if( rc==SQLITE_OK ){ i64 nStep = 0; i64 nError = 0; const char *zErr = 0; while( SQLITE_OK==sqlite3_intck_step(p) ){ const char *zMsg = sqlite3_intck_message(p); if( zMsg ){ sqlite3_fprintf(pState->out, "%s\n", zMsg); nError++; } nStep++; if( nStepPerUnlock && (nStep % nStepPerUnlock)==0 ){ sqlite3_intck_unlock(p); } } rc = sqlite3_intck_error(p, &zErr); if( zErr ){ sqlite3_fprintf(stderr,"%s\n", zErr); } sqlite3_intck_close(p); sqlite3_fprintf(pState->out, "%lld steps, %lld errors\n", nStep, nError); } return rc; } /* * zAutoColumn(zCol, &db, ?) => Maybe init db, add column zCol to it. * zAutoColumn(0, &db, ?) => (db!=0) Form columns spec for CREATE TABLE, * close db and set it to 0, and return the columns spec, to later * be sqlite3_free()'ed by the caller. * The return is 0 when either: * (a) The db was not initialized and zCol==0 (There are no columns.) * (b) zCol!=0 (Column was added, db initialized as needed.) * The 3rd argument, pRenamed, references an out parameter. If the * pointer is non-zero, its referent will be set to a summary of renames * done if renaming was necessary, or set to 0 if none was done. The out * string (if any) must be sqlite3_free()'ed by the caller. */ #ifdef SHELL_DEBUG #define rc_err_oom_die(rc) \ if( rc==SQLITE_NOMEM ) shell_check_oom(0); \ else if(!(rc==SQLITE_OK||rc==SQLITE_DONE)) \ sqlite3_fprintf(stderr,"E:%d\n",rc), assert(0) #else static void rc_err_oom_die(int rc){ if( rc==SQLITE_NOMEM ) shell_check_oom(0); assert(rc==SQLITE_OK||rc==SQLITE_DONE); } #endif #ifdef SHELL_COLFIX_DB /* If this is set, the DB can be in a file. */ static char zCOL_DB[] = SHELL_STRINGIFY(SHELL_COLFIX_DB); #else /* Otherwise, memory is faster/better for the transient DB. */ static const char *zCOL_DB = ":memory:"; #endif /* Define character (as C string) to separate generated column ordinal * from protected part of incoming column names. This defaults to "_" * so that incoming column identifiers that did not need not be quoted * remain usable without being quoted. It must be one character. */ #ifndef SHELL_AUTOCOLUMN_SEP # define AUTOCOLUMN_SEP "_" #else # define AUTOCOLUMN_SEP SHELL_STRINGIFY(SHELL_AUTOCOLUMN_SEP) #endif static char *zAutoColumn(const char *zColNew, sqlite3 **pDb, char **pzRenamed){ /* Queries and D{D,M}L used here */ static const char * const zTabMake = "\ CREATE TABLE ColNames(\ cpos INTEGER PRIMARY KEY,\ name TEXT, nlen INT, chop INT, reps INT, suff TEXT);\ CREATE VIEW RepeatedNames AS \ SELECT DISTINCT t.name FROM ColNames t \ WHERE t.name COLLATE NOCASE IN (\ SELECT o.name FROM ColNames o WHERE o.cpos<>t.cpos\ );\ "; static const char * const zTabFill = "\ INSERT INTO ColNames(name,nlen,chop,reps,suff)\ VALUES(iif(length(?1)>0,?1,'?'),max(length(?1),1),0,0,'')\ "; static const char * const zHasDupes = "\ SELECT count(DISTINCT (substring(name,1,nlen-chop)||suff) COLLATE NOCASE)\ <count(name) FROM ColNames\ "; #ifdef SHELL_COLUMN_RENAME_CLEAN static const char * const zDedoctor = "\ UPDATE ColNames SET chop=iif(\ (substring(name,nlen,1) BETWEEN '0' AND '9')\ AND (rtrim(name,'0123456790') glob '*"AUTOCOLUMN_SEP"'),\ nlen-length(rtrim(name, '"AUTOCOLUMN_SEP"0123456789')),\ 0\ )\ "; #endif static const char * const zSetReps = "\ UPDATE ColNames AS t SET reps=\ (SELECT count(*) FROM ColNames d \ WHERE substring(t.name,1,t.nlen-t.chop)=substring(d.name,1,d.nlen-d.chop)\ COLLATE NOCASE\ )\ "; #ifdef SQLITE_ENABLE_MATH_FUNCTIONS static const char * const zColDigits = "\ SELECT CAST(ceil(log(count(*)+0.5)) AS INT) FROM ColNames \ "; #else /* Counting on SQLITE_MAX_COLUMN < 100,000 here. (32767 is the hard limit.) */ static const char * const zColDigits = "\ SELECT CASE WHEN (nc < 10) THEN 1 WHEN (nc < 100) THEN 2 \ WHEN (nc < 1000) THEN 3 WHEN (nc < 10000) THEN 4 \ ELSE 5 FROM (SELECT count(*) AS nc FROM ColNames) \ "; #endif static const char * const zRenameRank = #ifdef SHELL_COLUMN_RENAME_CLEAN "UPDATE ColNames AS t SET suff=" "iif(reps>1, printf('%c%0*d', '"AUTOCOLUMN_SEP"', $1, cpos), '')" #else /* ...RENAME_MINIMAL_ONE_PASS */ "WITH Lzn(nlz) AS (" /* Find minimum extraneous leading 0's for uniqueness */ " SELECT 0 AS nlz" " UNION" " SELECT nlz+1 AS nlz FROM Lzn" " WHERE EXISTS(" " SELECT 1" " FROM ColNames t, ColNames o" " WHERE" " iif(t.name IN (SELECT * FROM RepeatedNames)," " printf('%s"AUTOCOLUMN_SEP"%s'," " t.name, substring(printf('%.*c%0.*d',nlz+1,'0',$1,t.cpos),2))," " t.name" " )" " =" " iif(o.name IN (SELECT * FROM RepeatedNames)," " printf('%s"AUTOCOLUMN_SEP"%s'," " o.name, substring(printf('%.*c%0.*d',nlz+1,'0',$1,o.cpos),2))," " o.name" " )" " COLLATE NOCASE" " AND o.cpos<>t.cpos" " GROUP BY t.cpos" " )" ") UPDATE Colnames AS t SET" " chop = 0," /* No chopping, never touch incoming names. */ " suff = iif(name IN (SELECT * FROM RepeatedNames)," " printf('"AUTOCOLUMN_SEP"%s', substring(" " printf('%.*c%0.*d',(SELECT max(nlz) FROM Lzn)+1,'0',1,t.cpos),2))," " ''" " )" #endif ; static const char * const zCollectVar = "\ SELECT\ '('||x'0a'\ || group_concat(\ cname||' TEXT',\ ','||iif((cpos-1)%4>0, ' ', x'0a'||' '))\ ||')' AS ColsSpec \ FROM (\ SELECT cpos, printf('\"%w\"',printf('%!.*s%s', nlen-chop,name,suff)) AS cname \ FROM ColNames ORDER BY cpos\ )"; static const char * const zRenamesDone = "SELECT group_concat(" " printf('\"%w\" to \"%w\"',name,printf('%!.*s%s', nlen-chop, name, suff))," " ','||x'0a')" "FROM ColNames WHERE suff<>'' OR chop!=0" ; int rc; sqlite3_stmt *pStmt = 0; assert(pDb!=0); if( zColNew ){ /* Add initial or additional column. Init db if necessary. */ if( *pDb==0 ){ if( SQLITE_OK!=sqlite3_open(zCOL_DB, pDb) ) return 0; #ifdef SHELL_COLFIX_DB if(*zCOL_DB!=':') sqlite3_exec(*pDb,"drop table if exists ColNames;" "drop view if exists RepeatedNames;",0,0,0); #endif #undef SHELL_COLFIX_DB rc = sqlite3_exec(*pDb, zTabMake, 0, 0, 0); rc_err_oom_die(rc); } assert(*pDb!=0); rc = sqlite3_prepare_v2(*pDb, zTabFill, -1, &pStmt, 0); rc_err_oom_die(rc); rc = sqlite3_bind_text(pStmt, 1, zColNew, -1, 0); rc_err_oom_die(rc); rc = sqlite3_step(pStmt); rc_err_oom_die(rc); sqlite3_finalize(pStmt); return 0; }else if( *pDb==0 ){ return 0; }else{ /* Formulate the columns spec, close the DB, zero *pDb. */ char *zColsSpec = 0; int hasDupes = db_int(*pDb, "%s", zHasDupes); int nDigits = (hasDupes)? db_int(*pDb, "%s", zColDigits) : 0; if( hasDupes ){ #ifdef SHELL_COLUMN_RENAME_CLEAN rc = sqlite3_exec(*pDb, zDedoctor, 0, 0, 0); rc_err_oom_die(rc); #endif rc = sqlite3_exec(*pDb, zSetReps, 0, 0, 0); rc_err_oom_die(rc); rc = sqlite3_prepare_v2(*pDb, zRenameRank, -1, &pStmt, 0); rc_err_oom_die(rc); sqlite3_bind_int(pStmt, 1, nDigits); rc = sqlite3_step(pStmt); sqlite3_finalize(pStmt); if( rc!=SQLITE_DONE ) rc_err_oom_die(SQLITE_NOMEM); } assert(db_int(*pDb, "%s", zHasDupes)==0); /* Consider: remove this */ rc = sqlite3_prepare_v2(*pDb, zCollectVar, -1, &pStmt, 0); rc_err_oom_die(rc); rc = sqlite3_step(pStmt); if( rc==SQLITE_ROW ){ zColsSpec = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0)); }else{ zColsSpec = 0; } if( pzRenamed!=0 ){ if( !hasDupes ) *pzRenamed = 0; else{ sqlite3_finalize(pStmt); if( SQLITE_OK==sqlite3_prepare_v2(*pDb, zRenamesDone, -1, &pStmt, 0) && SQLITE_ROW==sqlite3_step(pStmt) ){ *pzRenamed = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0)); }else *pzRenamed = 0; } } sqlite3_finalize(pStmt); sqlite3_close(*pDb); *pDb = 0; return zColsSpec; } } /* ** Check if the sqlite_schema table contains one or more virtual tables. If ** parameter zLike is not NULL, then it is an SQL expression that the ** sqlite_schema row must also match. If one or more such rows are found, ** print the following warning to the output: ** ** WARNING: Script requires that SQLITE_DBCONFIG_DEFENSIVE be disabled */ static int outputDumpWarning(ShellState *p, const char *zLike){ int rc = SQLITE_OK; sqlite3_stmt *pStmt = 0; shellPreparePrintf(p->db, &rc, &pStmt, "SELECT 1 FROM sqlite_schema o WHERE " "sql LIKE 'CREATE VIRTUAL TABLE%%' AND %s", zLike ? zLike : "true" ); if( rc==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ sqlite3_fputs("/* WARNING: " "Script requires that SQLITE_DBCONFIG_DEFENSIVE be disabled */\n", p->out ); } shellFinalize(&rc, pStmt); return rc; } /* ** Fault-Simulator state and logic. */ static struct { int iId; /* ID that triggers a simulated fault. -1 means "any" */ int iErr; /* The error code to return on a fault */ int iCnt; /* Trigger the fault only if iCnt is already zero */ int iInterval; /* Reset iCnt to this value after each fault */ int eVerbose; /* When to print output */ int nHit; /* Number of hits seen so far */ int nRepeat; /* Turn off after this many hits. 0 for never */ int nSkip; /* Skip this many before first fault */ } faultsim_state = {-1, 0, 0, 0, 0, 0, 0, 0}; /* ** This is the fault-sim callback */ static int faultsim_callback(int iArg){ if( faultsim_state.iId>0 && faultsim_state.iId!=iArg ){ return SQLITE_OK; } if( faultsim_state.iCnt ){ if( faultsim_state.iCnt>0 ) faultsim_state.iCnt--; if( faultsim_state.eVerbose>=2 ){ sqlite3_fprintf(stdout, "FAULT-SIM id=%d no-fault (cnt=%d)\n", iArg, faultsim_state.iCnt); } return SQLITE_OK; } if( faultsim_state.eVerbose>=1 ){ sqlite3_fprintf(stdout, "FAULT-SIM id=%d returns %d\n", iArg, faultsim_state.iErr); } faultsim_state.iCnt = faultsim_state.iInterval; faultsim_state.nHit++; if( faultsim_state.nRepeat>0 && faultsim_state.nRepeat<=faultsim_state.nHit ){ faultsim_state.iCnt = -1; } return faultsim_state.iErr; } /* ** If an input line begins with "." then invoke this routine to ** process that line. ** ** Return 1 on error, 2 to exit, and 0 otherwise. */ static int do_meta_command(char *zLine, ShellState *p){ int h = 1; int nArg = 0; int n, c; int rc = 0; char *azArg[52]; #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) if( p->expert.pExpert ){ expertFinish(p, 1, 0); } #endif /* Parse the input line into tokens. */ while( zLine[h] && nArg<ArraySize(azArg)-1 ){ while( IsSpace(zLine[h]) ){ h++; } if( zLine[h]==0 ) break; if( zLine[h]=='\'' || zLine[h]=='"' ){ int delim = zLine[h++]; azArg[nArg++] = &zLine[h]; while( zLine[h] && zLine[h]!=delim ){ if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++; h++; } if( zLine[h]==delim ){ zLine[h++] = 0; } if( delim=='"' ) resolve_backslashes(azArg[nArg-1]); }else{ azArg[nArg++] = &zLine[h]; while( zLine[h] && !IsSpace(zLine[h]) ){ h++; } if( zLine[h] ) zLine[h++] = 0; } } azArg[nArg] = 0; /* Process the input line. */ if( nArg==0 ) return 0; /* no tokens, no error */ n = strlen30(azArg[0]); c = azArg[0][0]; clearTempFile(p); #ifndef SQLITE_OMIT_AUTHORIZATION if( c=='a' && cli_strncmp(azArg[0], "auth", n)==0 ){ if( nArg!=2 ){ sqlite3_fprintf(stderr, "Usage: .auth ON|OFF\n"); rc = 1; goto meta_command_exit; } open_db(p, 0); if( booleanValue(azArg[1]) ){ sqlite3_set_authorizer(p->db, shellAuth, p); }else if( p->bSafeModePersist ){ sqlite3_set_authorizer(p->db, safeModeAuth, p); }else{ sqlite3_set_authorizer(p->db, 0, 0); } }else #endif #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) \ && !defined(SQLITE_SHELL_FIDDLE) if( c=='a' && cli_strncmp(azArg[0], "archive", n)==0 ){ open_db(p, 0); failIfSafeMode(p, "cannot run .archive in safe mode"); rc = arDotCommand(p, 0, azArg, nArg); }else #endif #ifndef SQLITE_SHELL_FIDDLE if( (c=='b' && n>=3 && cli_strncmp(azArg[0], "backup", n)==0) || (c=='s' && n>=3 && cli_strncmp(azArg[0], "save", n)==0) ){ const char *zDestFile = 0; const char *zDb = 0; sqlite3 *pDest; sqlite3_backup *pBackup; int j; int bAsync = 0; const char *zVfs = 0; failIfSafeMode(p, "cannot run .%s in safe mode", azArg[0]); for(j=1; j<nArg; j++){ const char *z = azArg[j]; if( z[0]=='-' ){ if( z[1]=='-' ) z++; if( cli_strcmp(z, "-append")==0 ){ zVfs = "apndvfs"; }else if( cli_strcmp(z, "-async")==0 ){ bAsync = 1; }else { sqlite3_fprintf(stderr,"unknown option: %s\n", azArg[j]); return 1; } }else if( zDestFile==0 ){ zDestFile = azArg[j]; }else if( zDb==0 ){ zDb = zDestFile; zDestFile = azArg[j]; }else{ sqlite3_fprintf(stderr, "Usage: .backup ?DB? ?OPTIONS? FILENAME\n"); return 1; } } if( zDestFile==0 ){ sqlite3_fprintf(stderr, "missing FILENAME argument on .backup\n"); return 1; } if( zDb==0 ) zDb = "main"; rc = sqlite3_open_v2(zDestFile, &pDest, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, zVfs); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", zDestFile); close_db(pDest); return 1; } if( bAsync ){ sqlite3_exec(pDest, "PRAGMA synchronous=OFF; PRAGMA journal_mode=OFF;", 0, 0, 0); } open_db(p, 0); pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb); if( pBackup==0 ){ shellDatabaseError(pDest); close_db(pDest); return 1; } while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){} sqlite3_backup_finish(pBackup); if( rc==SQLITE_DONE ){ rc = 0; }else{ shellDatabaseError(pDest); rc = 1; } close_db(pDest); }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='b' && n>=3 && cli_strncmp(azArg[0], "bail", n)==0 ){ if( nArg==2 ){ bail_on_error = booleanValue(azArg[1]); }else{ eputz("Usage: .bail on|off\n"); rc = 1; } }else /* Undocumented. Legacy only. See "crlf" below */ if( c=='b' && n>=3 && cli_strncmp(azArg[0], "binary", n)==0 ){ eputz("The \".binary\" command is deprecated.\n"); rc = 1; }else /* The undocumented ".breakpoint" command causes a call to the no-op ** routine named test_breakpoint(). */ if( c=='b' && n>=3 && cli_strncmp(azArg[0], "breakpoint", n)==0 ){ test_breakpoint(); }else #ifndef SQLITE_SHELL_FIDDLE if( c=='c' && cli_strcmp(azArg[0],"cd")==0 ){ failIfSafeMode(p, "cannot run .cd in safe mode"); if( nArg==2 ){ #if defined(_WIN32) || defined(WIN32) wchar_t *z = sqlite3_win32_utf8_to_unicode(azArg[1]); rc = !SetCurrentDirectoryW(z); sqlite3_free(z); #else rc = chdir(azArg[1]); #endif if( rc ){ sqlite3_fprintf(stderr,"Cannot change to directory \"%s\"\n", azArg[1]); rc = 1; } }else{ eputz("Usage: .cd DIRECTORY\n"); rc = 1; } }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='c' && n>=3 && cli_strncmp(azArg[0], "changes", n)==0 ){ if( nArg==2 ){ setOrClearFlag(p, SHFLG_CountChanges, azArg[1]); }else{ eputz("Usage: .changes on|off\n"); rc = 1; } }else #ifndef SQLITE_SHELL_FIDDLE /* Cancel output redirection, if it is currently set (by .testcase) ** Then read the content of the testcase-out.txt file and compare against ** azArg[1]. If there are differences, report an error and exit. */ if( c=='c' && n>=3 && cli_strncmp(azArg[0], "check", n)==0 ){ char *zRes = 0; output_reset(p); if( nArg!=2 ){ eputz("Usage: .check GLOB-PATTERN\n"); rc = 2; }else if( (zRes = readFile("testcase-out.txt", 0))==0 ){ rc = 2; }else if( testcase_glob(azArg[1],zRes)==0 ){ sqlite3_fprintf(stderr, "testcase-%s FAILED\n Expected: [%s]\n Got: [%s]\n", p->zTestcase, azArg[1], zRes); rc = 1; }else{ sqlite3_fprintf(p->out, "testcase-%s ok\n", p->zTestcase); p->nCheck++; } sqlite3_free(zRes); }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ #ifndef SQLITE_SHELL_FIDDLE if( c=='c' && cli_strncmp(azArg[0], "clone", n)==0 ){ failIfSafeMode(p, "cannot run .clone in safe mode"); if( nArg==2 ){ tryToClone(p, azArg[1]); }else{ eputz("Usage: .clone FILENAME\n"); rc = 1; } }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='c' && cli_strncmp(azArg[0], "connection", n)==0 ){ if( nArg==1 ){ /* List available connections */ int i; for(i=0; i<ArraySize(p->aAuxDb); i++){ const char *zFile = p->aAuxDb[i].zDbFilename; if( p->aAuxDb[i].db==0 && p->pAuxDb!=&p->aAuxDb[i] ){ zFile = "(not open)"; }else if( zFile==0 ){ zFile = "(memory)"; }else if( zFile[0]==0 ){ zFile = "(temporary-file)"; } if( p->pAuxDb == &p->aAuxDb[i] ){ sqlite3_fprintf(stdout, "ACTIVE %d: %s\n", i, zFile); }else if( p->aAuxDb[i].db!=0 ){ sqlite3_fprintf(stdout, " %d: %s\n", i, zFile); } } }else if( nArg==2 && IsDigit(azArg[1][0]) && azArg[1][1]==0 ){ int i = azArg[1][0] - '0'; if( p->pAuxDb != &p->aAuxDb[i] && i>=0 && i<ArraySize(p->aAuxDb) ){ p->pAuxDb->db = p->db; p->pAuxDb = &p->aAuxDb[i]; globalDb = p->db = p->pAuxDb->db; p->pAuxDb->db = 0; } }else if( nArg==3 && cli_strcmp(azArg[1], "close")==0 && IsDigit(azArg[2][0]) && azArg[2][1]==0 ){ int i = azArg[2][0] - '0'; if( i<0 || i>=ArraySize(p->aAuxDb) ){ /* No-op */ }else if( p->pAuxDb == &p->aAuxDb[i] ){ eputz("cannot close the active database connection\n"); rc = 1; }else if( p->aAuxDb[i].db ){ session_close_all(p, i); close_db(p->aAuxDb[i].db); p->aAuxDb[i].db = 0; } }else{ eputz("Usage: .connection [close] [CONNECTION-NUMBER]\n"); rc = 1; } }else if( c=='c' && n==4 && (cli_strncmp(azArg[0], "crlf", n)==0 || cli_strncmp(azArg[0], "crnl",n)==0) ){ if( nArg==2 ){ #ifdef _WIN32 p->crlfMode = booleanValue(azArg[1]); #else p->crlfMode = 0; #endif } sqlite3_fprintf(stderr, "crlf is %s\n", p->crlfMode ? "ON" : "OFF"); }else if( c=='d' && n>1 && cli_strncmp(azArg[0], "databases", n)==0 ){ char **azName = 0; int nName = 0; sqlite3_stmt *pStmt; int i; open_db(p, 0); rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0); if( rc ){ shellDatabaseError(p->db); rc = 1; }else{ while( sqlite3_step(pStmt)==SQLITE_ROW ){ const char *zSchema = (const char *)sqlite3_column_text(pStmt,1); const char *zFile = (const char*)sqlite3_column_text(pStmt,2); if( zSchema==0 || zFile==0 ) continue; azName = sqlite3_realloc64(azName, (nName+1)*2*sizeof(char*)); shell_check_oom(azName); azName[nName*2] = strdup(zSchema); azName[nName*2+1] = strdup(zFile); nName++; } } sqlite3_finalize(pStmt); for(i=0; i<nName; i++){ int eTxn = sqlite3_txn_state(p->db, azName[i*2]); int bRdonly = sqlite3_db_readonly(p->db, azName[i*2]); const char *z = azName[i*2+1]; sqlite3_fprintf(p->out, "%s: %s %s%s\n", azName[i*2], z && z[0] ? z : "\"\"", bRdonly ? "r/o" : "r/w", eTxn==SQLITE_TXN_NONE ? "" : eTxn==SQLITE_TXN_READ ? " read-txn" : " write-txn"); free(azName[i*2]); free(azName[i*2+1]); } sqlite3_free(azName); }else if( c=='d' && n>=3 && cli_strncmp(azArg[0], "dbconfig", n)==0 ){ static const struct DbConfigChoices { const char *zName; int op; } aDbConfig[] = { { "attach_create", SQLITE_DBCONFIG_ENABLE_ATTACH_CREATE }, { "attach_write", SQLITE_DBCONFIG_ENABLE_ATTACH_WRITE }, { "comments", SQLITE_DBCONFIG_ENABLE_COMMENTS }, { "defensive", SQLITE_DBCONFIG_DEFENSIVE }, { "dqs_ddl", SQLITE_DBCONFIG_DQS_DDL }, { "dqs_dml", SQLITE_DBCONFIG_DQS_DML }, { "enable_fkey", SQLITE_DBCONFIG_ENABLE_FKEY }, { "enable_qpsg", SQLITE_DBCONFIG_ENABLE_QPSG }, { "enable_trigger", SQLITE_DBCONFIG_ENABLE_TRIGGER }, { "enable_view", SQLITE_DBCONFIG_ENABLE_VIEW }, { "fts3_tokenizer", SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER }, { "legacy_alter_table", SQLITE_DBCONFIG_LEGACY_ALTER_TABLE }, { "legacy_file_format", SQLITE_DBCONFIG_LEGACY_FILE_FORMAT }, { "load_extension", SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION }, { "no_ckpt_on_close", SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE }, { "reset_database", SQLITE_DBCONFIG_RESET_DATABASE }, { "reverse_scanorder", SQLITE_DBCONFIG_REVERSE_SCANORDER }, { "stmt_scanstatus", SQLITE_DBCONFIG_STMT_SCANSTATUS }, { "trigger_eqp", SQLITE_DBCONFIG_TRIGGER_EQP }, { "trusted_schema", SQLITE_DBCONFIG_TRUSTED_SCHEMA }, { "writable_schema", SQLITE_DBCONFIG_WRITABLE_SCHEMA }, }; int ii, v; open_db(p, 0); for(ii=0; ii<ArraySize(aDbConfig); ii++){ if( nArg>1 && cli_strcmp(azArg[1], aDbConfig[ii].zName)!=0 ) continue; if( nArg>=3 ){ sqlite3_db_config(p->db, aDbConfig[ii].op, booleanValue(azArg[2]), 0); } sqlite3_db_config(p->db, aDbConfig[ii].op, -1, &v); sqlite3_fprintf(p->out, "%19s %s\n", aDbConfig[ii].zName, v ? "on" : "off"); if( nArg>1 ) break; } if( nArg>1 && ii==ArraySize(aDbConfig) ){ sqlite3_fprintf(stderr,"Error: unknown dbconfig \"%s\"\n", azArg[1]); eputz("Enter \".dbconfig\" with no arguments for a list\n"); } }else #if SQLITE_SHELL_HAVE_RECOVER if( c=='d' && n>=3 && cli_strncmp(azArg[0], "dbinfo", n)==0 ){ rc = shell_dbinfo_command(p, nArg, azArg); }else if( c=='r' && cli_strncmp(azArg[0], "recover", n)==0 ){ open_db(p, 0); rc = recoverDatabaseCmd(p, nArg, azArg); }else #endif /* SQLITE_SHELL_HAVE_RECOVER */ if( c=='d' && cli_strncmp(azArg[0], "dump", n)==0 ){ char *zLike = 0; char *zSql; int i; int savedShowHeader = p->showHeader; int savedShellFlags = p->shellFlgs; ShellClearFlag(p, SHFLG_PreserveRowid|SHFLG_Newlines|SHFLG_Echo |SHFLG_DumpDataOnly|SHFLG_DumpNoSys); for(i=1; i<nArg; i++){ if( azArg[i][0]=='-' ){ const char *z = azArg[i]+1; if( z[0]=='-' ) z++; if( cli_strcmp(z,"preserve-rowids")==0 ){ #ifdef SQLITE_OMIT_VIRTUALTABLE eputz("The --preserve-rowids option is not compatible" " with SQLITE_OMIT_VIRTUALTABLE\n"); rc = 1; sqlite3_free(zLike); goto meta_command_exit; #else ShellSetFlag(p, SHFLG_PreserveRowid); #endif }else if( cli_strcmp(z,"newlines")==0 ){ ShellSetFlag(p, SHFLG_Newlines); }else if( cli_strcmp(z,"data-only")==0 ){ ShellSetFlag(p, SHFLG_DumpDataOnly); }else if( cli_strcmp(z,"nosys")==0 ){ ShellSetFlag(p, SHFLG_DumpNoSys); }else { sqlite3_fprintf(stderr, "Unknown option \"%s\" on \".dump\"\n", azArg[i]); rc = 1; sqlite3_free(zLike); goto meta_command_exit; } }else{ /* azArg[i] contains a LIKE pattern. This ".dump" request should ** only dump data for tables for which either the table name matches ** the LIKE pattern, or the table appears to be a shadow table of ** a virtual table for which the name matches the LIKE pattern. */ char *zExpr = sqlite3_mprintf( "name LIKE %Q ESCAPE '\\' OR EXISTS (" " SELECT 1 FROM sqlite_schema WHERE " " name LIKE %Q ESCAPE '\\' AND" " sql LIKE 'CREATE VIRTUAL TABLE%%' AND" " substr(o.name, 1, length(name)+1) == (name||'_')" ")", azArg[i], azArg[i] ); if( zLike ){ zLike = sqlite3_mprintf("%z OR %z", zLike, zExpr); }else{ zLike = zExpr; } } } open_db(p, 0); outputDumpWarning(p, zLike); if( (p->shellFlgs & SHFLG_DumpDataOnly)==0 ){ /* When playing back a "dump", the content might appear in an order ** which causes immediate foreign key constraints to be violated. ** So disable foreign-key constraint enforcement to prevent problems. */ sqlite3_fputs("PRAGMA foreign_keys=OFF;\n", p->out); sqlite3_fputs("BEGIN TRANSACTION;\n", p->out); } p->writableSchema = 0; p->showHeader = 0; /* Set writable_schema=ON since doing so forces SQLite to initialize ** as much of the schema as it can even if the sqlite_schema table is ** corrupt. */ sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0); p->nErr = 0; if( zLike==0 ) zLike = sqlite3_mprintf("true"); zSql = sqlite3_mprintf( "SELECT name, type, sql FROM sqlite_schema AS o " "WHERE (%s) AND type=='table'" " AND sql NOT NULL" " ORDER BY tbl_name='sqlite_sequence', rowid", zLike ); run_schema_dump_query(p,zSql); sqlite3_free(zSql); if( (p->shellFlgs & SHFLG_DumpDataOnly)==0 ){ zSql = sqlite3_mprintf( "SELECT sql FROM sqlite_schema AS o " "WHERE (%s) AND sql NOT NULL" " AND type IN ('index','trigger','view') " "ORDER BY type COLLATE NOCASE DESC", zLike ); run_table_dump_query(p, zSql); sqlite3_free(zSql); } sqlite3_free(zLike); if( p->writableSchema ){ sqlite3_fputs("PRAGMA writable_schema=OFF;\n", p->out); p->writableSchema = 0; } sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0); sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0); if( (p->shellFlgs & SHFLG_DumpDataOnly)==0 ){ sqlite3_fputs(p->nErr?"ROLLBACK; -- due to errors\n":"COMMIT;\n", p->out); } p->showHeader = savedShowHeader; p->shellFlgs = savedShellFlags; rc = p->nErr>0; }else if( c=='e' && cli_strncmp(azArg[0], "echo", n)==0 ){ if( nArg==2 ){ setOrClearFlag(p, SHFLG_Echo, azArg[1]); }else{ eputz("Usage: .echo on|off\n"); rc = 1; } }else if( c=='d' && n>=3 && cli_strncmp(azArg[0], "dbtotxt", n)==0 ){ open_db(p, 0); rc = shell_dbtotxt_command(p, nArg, azArg); }else if( c=='e' && cli_strncmp(azArg[0], "eqp", n)==0 ){ if( nArg==2 ){ p->autoEQPtest = 0; if( p->autoEQPtrace ){ if( p->db ) sqlite3_exec(p->db, "PRAGMA vdbe_trace=OFF;", 0, 0, 0); p->autoEQPtrace = 0; } if( cli_strcmp(azArg[1],"full")==0 ){ p->autoEQP = AUTOEQP_full; }else if( cli_strcmp(azArg[1],"trigger")==0 ){ p->autoEQP = AUTOEQP_trigger; #ifdef SQLITE_DEBUG }else if( cli_strcmp(azArg[1],"test")==0 ){ p->autoEQP = AUTOEQP_on; p->autoEQPtest = 1; }else if( cli_strcmp(azArg[1],"trace")==0 ){ p->autoEQP = AUTOEQP_full; p->autoEQPtrace = 1; open_db(p, 0); sqlite3_exec(p->db, "SELECT name FROM sqlite_schema LIMIT 1", 0, 0, 0); sqlite3_exec(p->db, "PRAGMA vdbe_trace=ON;", 0, 0, 0); #endif }else{ p->autoEQP = (u8)booleanValue(azArg[1]); } }else{ eputz("Usage: .eqp off|on|trace|trigger|full\n"); rc = 1; } }else #ifndef SQLITE_SHELL_FIDDLE if( c=='e' && cli_strncmp(azArg[0], "exit", n)==0 ){ if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc); rc = 2; }else #endif /* The ".explain" command is automatic now. It is largely pointless. It ** retained purely for backwards compatibility */ if( c=='e' && cli_strncmp(azArg[0], "explain", n)==0 ){ int val = 1; if( nArg>=2 ){ if( cli_strcmp(azArg[1],"auto")==0 ){ val = 99; }else{ val = booleanValue(azArg[1]); } } if( val==1 && p->mode!=MODE_Explain ){ p->normalMode = p->mode; p->mode = MODE_Explain; p->autoExplain = 0; }else if( val==0 ){ if( p->mode==MODE_Explain ) p->mode = p->normalMode; p->autoExplain = 0; }else if( val==99 ){ if( p->mode==MODE_Explain ) p->mode = p->normalMode; p->autoExplain = 1; } }else #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) if( c=='e' && cli_strncmp(azArg[0], "expert", n)==0 ){ if( p->bSafeMode ){ sqlite3_fprintf(stderr, "Cannot run experimental commands such as \"%s\" in safe mode\n", azArg[0]); rc = 1; }else{ open_db(p, 0); expertDotCommand(p, azArg, nArg); } }else #endif if( c=='f' && cli_strncmp(azArg[0], "filectrl", n)==0 ){ static const struct { const char *zCtrlName; /* Name of a test-control option */ int ctrlCode; /* Integer code for that option */ const char *zUsage; /* Usage notes */ } aCtrl[] = { { "chunk_size", SQLITE_FCNTL_CHUNK_SIZE, "SIZE" }, { "data_version", SQLITE_FCNTL_DATA_VERSION, "" }, { "has_moved", SQLITE_FCNTL_HAS_MOVED, "" }, { "lock_timeout", SQLITE_FCNTL_LOCK_TIMEOUT, "MILLISEC" }, { "persist_wal", SQLITE_FCNTL_PERSIST_WAL, "[BOOLEAN]" }, /* { "pragma", SQLITE_FCNTL_PRAGMA, "NAME ARG" },*/ { "psow", SQLITE_FCNTL_POWERSAFE_OVERWRITE, "[BOOLEAN]" }, { "reserve_bytes", SQLITE_FCNTL_RESERVE_BYTES, "[N]" }, { "size_limit", SQLITE_FCNTL_SIZE_LIMIT, "[LIMIT]" }, { "tempfilename", SQLITE_FCNTL_TEMPFILENAME, "" }, /* { "win32_av_retry", SQLITE_FCNTL_WIN32_AV_RETRY, "COUNT DELAY" },*/ }; int filectrl = -1; int iCtrl = -1; sqlite3_int64 iRes = 0; /* Integer result to display if rc2==1 */ int isOk = 0; /* 0: usage 1: %lld 2: no-result */ int n2, i; const char *zCmd = 0; const char *zSchema = 0; open_db(p, 0); zCmd = nArg>=2 ? azArg[1] : "help"; if( zCmd[0]=='-' && (cli_strcmp(zCmd,"--schema")==0 || cli_strcmp(zCmd,"-schema")==0) && nArg>=4 ){ zSchema = azArg[2]; for(i=3; i<nArg; i++) azArg[i-2] = azArg[i]; nArg -= 2; zCmd = azArg[1]; } /* The argument can optionally begin with "-" or "--" */ if( zCmd[0]=='-' && zCmd[1] ){ zCmd++; if( zCmd[0]=='-' && zCmd[1] ) zCmd++; } /* --help lists all file-controls */ if( cli_strcmp(zCmd,"help")==0 ){ sqlite3_fputs("Available file-controls:\n", p->out); for(i=0; i<ArraySize(aCtrl); i++){ sqlite3_fprintf(p->out, " .filectrl %s %s\n", aCtrl[i].zCtrlName, aCtrl[i].zUsage); } rc = 1; goto meta_command_exit; } /* convert filectrl text option to value. allow any unique prefix ** of the option name, or a numerical value. */ n2 = strlen30(zCmd); for(i=0; i<ArraySize(aCtrl); i++){ if( cli_strncmp(zCmd, aCtrl[i].zCtrlName, n2)==0 ){ if( filectrl<0 ){ filectrl = aCtrl[i].ctrlCode; iCtrl = i; }else{ sqlite3_fprintf(stderr,"Error: ambiguous file-control: \"%s\"\n" "Use \".filectrl --help\" for help\n", zCmd); rc = 1; goto meta_command_exit; } } } if( filectrl<0 ){ sqlite3_fprintf(stderr,"Error: unknown file-control: %s\n" "Use \".filectrl --help\" for help\n", zCmd); }else{ switch(filectrl){ case SQLITE_FCNTL_SIZE_LIMIT: { if( nArg!=2 && nArg!=3 ) break; iRes = nArg==3 ? integerValue(azArg[2]) : -1; sqlite3_file_control(p->db, zSchema, SQLITE_FCNTL_SIZE_LIMIT, &iRes); isOk = 1; break; } case SQLITE_FCNTL_LOCK_TIMEOUT: case SQLITE_FCNTL_CHUNK_SIZE: { int x; if( nArg!=3 ) break; x = (int)integerValue(azArg[2]); sqlite3_file_control(p->db, zSchema, filectrl, &x); isOk = 2; break; } case SQLITE_FCNTL_PERSIST_WAL: case SQLITE_FCNTL_POWERSAFE_OVERWRITE: { int x; if( nArg!=2 && nArg!=3 ) break; x = nArg==3 ? booleanValue(azArg[2]) : -1; sqlite3_file_control(p->db, zSchema, filectrl, &x); iRes = x; isOk = 1; break; } case SQLITE_FCNTL_DATA_VERSION: case SQLITE_FCNTL_HAS_MOVED: { int x; if( nArg!=2 ) break; sqlite3_file_control(p->db, zSchema, filectrl, &x); iRes = x; isOk = 1; break; } case SQLITE_FCNTL_TEMPFILENAME: { char *z = 0; if( nArg!=2 ) break; sqlite3_file_control(p->db, zSchema, filectrl, &z); if( z ){ sqlite3_fprintf(p->out, "%s\n", z); sqlite3_free(z); } isOk = 2; break; } case SQLITE_FCNTL_RESERVE_BYTES: { int x; if( nArg>=3 ){ x = atoi(azArg[2]); sqlite3_file_control(p->db, zSchema, filectrl, &x); } x = -1; sqlite3_file_control(p->db, zSchema, filectrl, &x); sqlite3_fprintf(p->out, "%d\n", x); isOk = 2; break; } } } if( isOk==0 && iCtrl>=0 ){ sqlite3_fprintf(p->out, "Usage: .filectrl %s %s\n", zCmd, aCtrl[iCtrl].zUsage); rc = 1; }else if( isOk==1 ){ char zBuf[100]; sqlite3_snprintf(sizeof(zBuf), zBuf, "%lld", iRes); sqlite3_fprintf(p->out, "%s\n", zBuf); } }else if( c=='f' && cli_strncmp(azArg[0], "fullschema", n)==0 ){ ShellState data; int doStats = 0; memcpy(&data, p, sizeof(data)); data.showHeader = 0; data.cMode = data.mode = MODE_Semi; if( nArg==2 && optionMatch(azArg[1], "indent") ){ data.cMode = data.mode = MODE_Pretty; nArg = 1; } if( nArg!=1 ){ eputz("Usage: .fullschema ?--indent?\n"); rc = 1; goto meta_command_exit; } open_db(p, 0); rc = sqlite3_exec(p->db, "SELECT sql FROM" " (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x" " FROM sqlite_schema UNION ALL" " SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_schema) " "WHERE type!='meta' AND sql NOTNULL" " AND name NOT LIKE 'sqlite__%' ESCAPE '_' " "ORDER BY x", callback, &data, 0 ); if( rc==SQLITE_OK ){ sqlite3_stmt *pStmt; rc = sqlite3_prepare_v2(p->db, "SELECT rowid FROM sqlite_schema" " WHERE name GLOB 'sqlite_stat[134]'", -1, &pStmt, 0); if( rc==SQLITE_OK ){ doStats = sqlite3_step(pStmt)==SQLITE_ROW; sqlite3_finalize(pStmt); } } if( doStats==0 ){ sqlite3_fputs("/* No STAT tables available */\n", p->out); }else{ sqlite3_fputs("ANALYZE sqlite_schema;\n", p->out); data.cMode = data.mode = MODE_Insert; data.zDestTable = "sqlite_stat1"; shell_exec(&data, "SELECT * FROM sqlite_stat1", 0); data.zDestTable = "sqlite_stat4"; shell_exec(&data, "SELECT * FROM sqlite_stat4", 0); sqlite3_fputs("ANALYZE sqlite_schema;\n", p->out); } }else if( c=='h' && cli_strncmp(azArg[0], "headers", n)==0 ){ if( nArg==2 ){ p->showHeader = booleanValue(azArg[1]); p->shellFlgs |= SHFLG_HeaderSet; }else{ eputz("Usage: .headers on|off\n"); rc = 1; } }else if( c=='h' && cli_strncmp(azArg[0], "help", n)==0 ){ if( nArg>=2 ){ n = showHelp(p->out, azArg[1]); if( n==0 ){ sqlite3_fprintf(p->out, "Nothing matches '%s'\n", azArg[1]); } }else{ showHelp(p->out, 0); } }else #ifndef SQLITE_SHELL_FIDDLE if( c=='i' && cli_strncmp(azArg[0], "import", n)==0 ){ char *zTable = 0; /* Insert data into this table */ char *zSchema = 0; /* Schema of zTable */ char *zFile = 0; /* Name of file to extra content from */ sqlite3_stmt *pStmt = NULL; /* A statement */ int nCol; /* Number of columns in the table */ i64 nByte; /* Number of bytes in an SQL string */ int i, j; /* Loop counters */ int needCommit; /* True to COMMIT or ROLLBACK at end */ int nSep; /* Number of bytes in p->colSeparator[] */ char *zSql = 0; /* An SQL statement */ ImportCtx sCtx; /* Reader context */ char *(SQLITE_CDECL *xRead)(ImportCtx*); /* Func to read one value */ int eVerbose = 0; /* Larger for more console output */ i64 nSkip = 0; /* Initial lines to skip */ int useOutputMode = 1; /* Use output mode to determine separators */ char *zCreate = 0; /* CREATE TABLE statement text */ failIfSafeMode(p, "cannot run .import in safe mode"); memset(&sCtx, 0, sizeof(sCtx)); if( p->mode==MODE_Ascii ){ xRead = ascii_read_one_field; }else{ xRead = csv_read_one_field; } rc = 1; for(i=1; i<nArg; i++){ char *z = azArg[i]; if( z[0]=='-' && z[1]=='-' ) z++; if( z[0]!='-' ){ if( zFile==0 ){ zFile = z; }else if( zTable==0 ){ zTable = z; }else{ sqlite3_fprintf(p->out, "ERROR: extra argument: \"%s\". Usage:\n",z); showHelp(p->out, "import"); goto meta_command_exit; } }else if( cli_strcmp(z,"-v")==0 ){ eVerbose++; }else if( cli_strcmp(z,"-schema")==0 && i<nArg-1 ){ zSchema = azArg[++i]; }else if( cli_strcmp(z,"-skip")==0 && i<nArg-1 ){ nSkip = integerValue(azArg[++i]); }else if( cli_strcmp(z,"-ascii")==0 ){ sCtx.cColSep = SEP_Unit[0]; sCtx.cRowSep = SEP_Record[0]; xRead = ascii_read_one_field; useOutputMode = 0; }else if( cli_strcmp(z,"-csv")==0 ){ sCtx.cColSep = ','; sCtx.cRowSep = '\n'; xRead = csv_read_one_field; useOutputMode = 0; }else{ sqlite3_fprintf(p->out, "ERROR: unknown option: \"%s\". Usage:\n", z); showHelp(p->out, "import"); goto meta_command_exit; } } if( zTable==0 ){ sqlite3_fprintf(p->out, "ERROR: missing %s argument. Usage:\n", zFile==0 ? "FILE" : "TABLE"); showHelp(p->out, "import"); goto meta_command_exit; } seenInterrupt = 0; open_db(p, 0); if( useOutputMode ){ /* If neither the --csv or --ascii options are specified, then set ** the column and row separator characters from the output mode. */ nSep = strlen30(p->colSeparator); if( nSep==0 ){ eputz("Error: non-null column separator required for import\n"); goto meta_command_exit; } if( nSep>1 ){ eputz("Error: multi-character column separators not allowed" " for import\n"); goto meta_command_exit; } nSep = strlen30(p->rowSeparator); if( nSep==0 ){ eputz("Error: non-null row separator required for import\n"); goto meta_command_exit; } if( nSep==2 && p->mode==MODE_Csv && cli_strcmp(p->rowSeparator,SEP_CrLf)==0 ){ /* When importing CSV (only), if the row separator is set to the ** default output row separator, change it to the default input ** row separator. This avoids having to maintain different input ** and output row separators. */ sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); nSep = strlen30(p->rowSeparator); } if( nSep>1 ){ eputz("Error: multi-character row separators not allowed" " for import\n"); goto meta_command_exit; } sCtx.cColSep = (u8)p->colSeparator[0]; sCtx.cRowSep = (u8)p->rowSeparator[0]; } sCtx.zFile = zFile; sCtx.nLine = 1; if( sCtx.zFile[0]=='|' ){ #ifdef SQLITE_OMIT_POPEN eputz("Error: pipes are not supported in this OS\n"); goto meta_command_exit; #else sCtx.in = sqlite3_popen(sCtx.zFile+1, "r"); sCtx.zFile = "<pipe>"; sCtx.xCloser = pclose; #endif }else{ sCtx.in = sqlite3_fopen(sCtx.zFile, "rb"); sCtx.xCloser = fclose; } if( sCtx.in==0 ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", zFile); goto meta_command_exit; } if( eVerbose>=2 || (eVerbose>=1 && useOutputMode) ){ char zSep[2]; zSep[1] = 0; zSep[0] = sCtx.cColSep; sqlite3_fputs("Column separator ", p->out); output_c_string(p->out, zSep); sqlite3_fputs(", row separator ", p->out); zSep[0] = sCtx.cRowSep; output_c_string(p->out, zSep); sqlite3_fputs("\n", p->out); } sCtx.z = sqlite3_malloc64(120); if( sCtx.z==0 ){ import_cleanup(&sCtx); shell_out_of_memory(); } /* Below, resources must be freed before exit. */ while( nSkip>0 ){ nSkip--; while( xRead(&sCtx) && sCtx.cTerm==sCtx.cColSep ){} } import_append_char(&sCtx, 0); /* To ensure sCtx.z is allocated */ if( sqlite3_table_column_metadata(p->db, zSchema, zTable,0,0,0,0,0,0) && 0==db_int(p->db, "SELECT count(*) FROM \"%w\".sqlite_schema" " WHERE name=%Q AND type='view'", zSchema ? zSchema : "main", zTable) ){ /* Table does not exist. Create it. */ sqlite3 *dbCols = 0; char *zRenames = 0; char *zColDefs; zCreate = sqlite3_mprintf("CREATE TABLE \"%w\".\"%w\"", zSchema ? zSchema : "main", zTable); while( xRead(&sCtx) ){ zAutoColumn(sCtx.z, &dbCols, 0); if( sCtx.cTerm!=sCtx.cColSep ) break; } zColDefs = zAutoColumn(0, &dbCols, &zRenames); if( zRenames!=0 ){ sqlite3_fprintf((stdin_is_interactive && p->in==stdin)? p->out : stderr, "Columns renamed during .import %s due to duplicates:\n" "%s\n", sCtx.zFile, zRenames); sqlite3_free(zRenames); } assert(dbCols==0); if( zColDefs==0 ){ sqlite3_fprintf(stderr,"%s: empty file\n", sCtx.zFile); import_cleanup(&sCtx); rc = 1; sqlite3_free(zCreate); goto meta_command_exit; } zCreate = sqlite3_mprintf("%z%z\n", zCreate, zColDefs); if( zCreate==0 ){ import_cleanup(&sCtx); shell_out_of_memory(); } if( eVerbose>=1 ){ sqlite3_fprintf(p->out, "%s\n", zCreate); } rc = sqlite3_exec(p->db, zCreate, 0, 0, 0); if( rc ){ sqlite3_fprintf(stderr, "%s failed:\n%s\n", zCreate, sqlite3_errmsg(p->db)); } sqlite3_free(zCreate); zCreate = 0; if( rc ){ import_cleanup(&sCtx); rc = 1; goto meta_command_exit; } } zSql = sqlite3_mprintf("SELECT count(*) FROM pragma_table_info(%Q,%Q);", zTable, zSchema); if( zSql==0 ){ import_cleanup(&sCtx); shell_out_of_memory(); } rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); zSql = 0; if( rc ){ if (pStmt) sqlite3_finalize(pStmt); shellDatabaseError(p->db); import_cleanup(&sCtx); rc = 1; goto meta_command_exit; } if( sqlite3_step(pStmt)==SQLITE_ROW ){ nCol = sqlite3_column_int(pStmt, 0); }else{ nCol = 0; } sqlite3_finalize(pStmt); pStmt = 0; if( nCol==0 ) return 0; /* no columns, no error */ nByte = 64 /* space for "INSERT INTO", "VALUES(", ")\0" */ + (zSchema ? strlen(zSchema)*2 + 2: 0) /* Quoted schema name */ + strlen(zTable)*2 + 2 /* Quoted table name */ + nCol*2; /* Space for ",?" for each column */ zSql = sqlite3_malloc64( nByte ); if( zSql==0 ){ import_cleanup(&sCtx); shell_out_of_memory(); } if( zSchema ){ sqlite3_snprintf(nByte, zSql, "INSERT INTO \"%w\".\"%w\" VALUES(?", zSchema, zTable); }else{ sqlite3_snprintf(nByte, zSql, "INSERT INTO \"%w\" VALUES(?", zTable); } j = strlen30(zSql); for(i=1; i<nCol; i++){ zSql[j++] = ','; zSql[j++] = '?'; } zSql[j++] = ')'; zSql[j] = 0; assert( j<nByte ); if( eVerbose>=2 ){ sqlite3_fprintf(p->out, "Insert using: %s\n", zSql); } rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); zSql = 0; if( rc ){ shellDatabaseError(p->db); if (pStmt) sqlite3_finalize(pStmt); import_cleanup(&sCtx); rc = 1; goto meta_command_exit; } needCommit = sqlite3_get_autocommit(p->db); if( needCommit ) sqlite3_exec(p->db, "BEGIN", 0, 0, 0); do{ int startLine = sCtx.nLine; for(i=0; i<nCol; i++){ char *z = xRead(&sCtx); /* ** Did we reach end-of-file before finding any columns? ** If so, stop instead of NULL filling the remaining columns. */ if( z==0 && i==0 ) break; /* ** Did we reach end-of-file OR end-of-line before finding any ** columns in ASCII mode? If so, stop instead of NULL filling ** the remaining columns. */ if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break; /* ** For CSV mode, per RFC 4180, accept EOF in lieu of final ** record terminator but only for last field of multi-field row. ** (If there are too few fields, it's not valid CSV anyway.) */ if( z==0 && (xRead==csv_read_one_field) && i==nCol-1 && i>0 ){ z = ""; } sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT); if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){ sqlite3_fprintf(stderr,"%s:%d: expected %d columns but found %d" " - filling the rest with NULL\n", sCtx.zFile, startLine, nCol, i+1); i += 2; while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; } } } if( sCtx.cTerm==sCtx.cColSep ){ do{ xRead(&sCtx); i++; }while( sCtx.cTerm==sCtx.cColSep ); sqlite3_fprintf(stderr, "%s:%d: expected %d columns but found %d - extras ignored\n", sCtx.zFile, startLine, nCol, i); } if( i>=nCol ){ sqlite3_step(pStmt); rc = sqlite3_reset(pStmt); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr,"%s:%d: INSERT failed: %s\n", sCtx.zFile, startLine, sqlite3_errmsg(p->db)); sCtx.nErr++; }else{ sCtx.nRow++; } } }while( sCtx.cTerm!=EOF ); import_cleanup(&sCtx); sqlite3_finalize(pStmt); if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0); if( eVerbose>0 ){ sqlite3_fprintf(p->out, "Added %d rows with %d errors using %d lines of input\n", sCtx.nRow, sCtx.nErr, sCtx.nLine-1); } }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ #ifndef SQLITE_UNTESTABLE if( c=='i' && cli_strncmp(azArg[0], "imposter", n)==0 ){ char *zSql; char *zCollist = 0; sqlite3_stmt *pStmt; int tnum = 0; int isWO = 0; /* True if making an imposter of a WITHOUT ROWID table */ int lenPK = 0; /* Length of the PRIMARY KEY string for isWO tables */ int i; if( !(nArg==3 || (nArg==2 && sqlite3_stricmp(azArg[1],"off")==0)) ){ eputz("Usage: .imposter INDEX IMPOSTER\n" " .imposter off\n"); /* Also allowed, but not documented: ** ** .imposter TABLE IMPOSTER ** ** where TABLE is a WITHOUT ROWID table. In that case, the ** imposter is another WITHOUT ROWID table with the columns in ** storage order. */ rc = 1; goto meta_command_exit; } open_db(p, 0); if( nArg==2 ){ sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 0, 1); goto meta_command_exit; } zSql = sqlite3_mprintf( "SELECT rootpage, 0 FROM sqlite_schema" " WHERE name='%q' AND type='index'" "UNION ALL " "SELECT rootpage, 1 FROM sqlite_schema" " WHERE name='%q' AND type='table'" " AND sql LIKE '%%without%%rowid%%'", azArg[1], azArg[1] ); sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( sqlite3_step(pStmt)==SQLITE_ROW ){ tnum = sqlite3_column_int(pStmt, 0); isWO = sqlite3_column_int(pStmt, 1); } sqlite3_finalize(pStmt); zSql = sqlite3_mprintf("PRAGMA index_xinfo='%q'", azArg[1]); rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); i = 0; while( rc==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ char zLabel[20]; const char *zCol = (const char*)sqlite3_column_text(pStmt,2); i++; if( zCol==0 ){ if( sqlite3_column_int(pStmt,1)==-1 ){ zCol = "_ROWID_"; }else{ sqlite3_snprintf(sizeof(zLabel),zLabel,"expr%d",i); zCol = zLabel; } } if( isWO && lenPK==0 && sqlite3_column_int(pStmt,5)==0 && zCollist ){ lenPK = (int)strlen(zCollist); } if( zCollist==0 ){ zCollist = sqlite3_mprintf("\"%w\"", zCol); }else{ zCollist = sqlite3_mprintf("%z,\"%w\"", zCollist, zCol); } } sqlite3_finalize(pStmt); if( i==0 || tnum==0 ){ sqlite3_fprintf(stderr,"no such index: \"%s\"\n", azArg[1]); rc = 1; sqlite3_free(zCollist); goto meta_command_exit; } if( lenPK==0 ) lenPK = 100000; zSql = sqlite3_mprintf( "CREATE TABLE \"%w\"(%s,PRIMARY KEY(%.*s))WITHOUT ROWID", azArg[2], zCollist, lenPK, zCollist); sqlite3_free(zCollist); rc = sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 2, tnum); if( rc==SQLITE_OK ){ rc = sqlite3_exec(p->db, zSql, 0, 0, 0); sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->db, "main", 0, 0); if( rc ){ sqlite3_fprintf(stderr, "Error in [%s]: %s\n", zSql, sqlite3_errmsg(p->db)); }else{ sqlite3_fprintf(stdout, "%s;\n", zSql); } }else{ sqlite3_fprintf(stderr,"SQLITE_TESTCTRL_IMPOSTER returns %d\n", rc); rc = 1; } sqlite3_free(zSql); }else #endif /* !defined(SQLITE_OMIT_TEST_CONTROL) */ if( c=='i' && cli_strncmp(azArg[0], "intck", n)==0 ){ i64 iArg = 0; if( nArg==2 ){ iArg = integerValue(azArg[1]); if( iArg==0 ) iArg = -1; } if( (nArg!=1 && nArg!=2) || iArg<0 ){ sqlite3_fprintf(stderr,"%s","Usage: .intck STEPS_PER_UNLOCK\n"); rc = 1; goto meta_command_exit; } open_db(p, 0); rc = intckDatabaseCmd(p, iArg); }else #ifdef SQLITE_ENABLE_IOTRACE if( c=='i' && cli_strncmp(azArg[0], "iotrace", n)==0 ){ SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...); if( iotrace && iotrace!=stdout ) fclose(iotrace); iotrace = 0; if( nArg<2 ){ sqlite3IoTrace = 0; }else if( cli_strcmp(azArg[1], "-")==0 ){ sqlite3IoTrace = iotracePrintf; iotrace = stdout; }else{ iotrace = sqlite3_fopen(azArg[1], "w"); if( iotrace==0 ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]); sqlite3IoTrace = 0; rc = 1; }else{ sqlite3IoTrace = iotracePrintf; } } }else #endif if( c=='l' && n>=5 && cli_strncmp(azArg[0], "limits", n)==0 ){ static const struct { const char *zLimitName; /* Name of a limit */ int limitCode; /* Integer code for that limit */ } aLimit[] = { { "length", SQLITE_LIMIT_LENGTH }, { "sql_length", SQLITE_LIMIT_SQL_LENGTH }, { "column", SQLITE_LIMIT_COLUMN }, { "expr_depth", SQLITE_LIMIT_EXPR_DEPTH }, { "compound_select", SQLITE_LIMIT_COMPOUND_SELECT }, { "vdbe_op", SQLITE_LIMIT_VDBE_OP }, { "function_arg", SQLITE_LIMIT_FUNCTION_ARG }, { "attached", SQLITE_LIMIT_ATTACHED }, { "like_pattern_length", SQLITE_LIMIT_LIKE_PATTERN_LENGTH }, { "variable_number", SQLITE_LIMIT_VARIABLE_NUMBER }, { "trigger_depth", SQLITE_LIMIT_TRIGGER_DEPTH }, { "worker_threads", SQLITE_LIMIT_WORKER_THREADS }, }; int i, n2; open_db(p, 0); if( nArg==1 ){ for(i=0; i<ArraySize(aLimit); i++){ sqlite3_fprintf(stdout, "%20s %d\n", aLimit[i].zLimitName, sqlite3_limit(p->db, aLimit[i].limitCode, -1)); } }else if( nArg>3 ){ eputz("Usage: .limit NAME ?NEW-VALUE?\n"); rc = 1; goto meta_command_exit; }else{ int iLimit = -1; n2 = strlen30(azArg[1]); for(i=0; i<ArraySize(aLimit); i++){ if( sqlite3_strnicmp(aLimit[i].zLimitName, azArg[1], n2)==0 ){ if( iLimit<0 ){ iLimit = i; }else{ sqlite3_fprintf(stderr,"ambiguous limit: \"%s\"\n", azArg[1]); rc = 1; goto meta_command_exit; } } } if( iLimit<0 ){ sqlite3_fprintf(stderr,"unknown limit: \"%s\"\n" "enter \".limits\" with no arguments for a list.\n", azArg[1]); rc = 1; goto meta_command_exit; } if( nArg==3 ){ sqlite3_limit(p->db, aLimit[iLimit].limitCode, (int)integerValue(azArg[2])); } sqlite3_fprintf(stdout, "%20s %d\n", aLimit[iLimit].zLimitName, sqlite3_limit(p->db, aLimit[iLimit].limitCode, -1)); } }else if( c=='l' && n>2 && cli_strncmp(azArg[0], "lint", n)==0 ){ open_db(p, 0); lintDotCommand(p, azArg, nArg); }else #if !defined(SQLITE_OMIT_LOAD_EXTENSION) && !defined(SQLITE_SHELL_FIDDLE) if( c=='l' && cli_strncmp(azArg[0], "load", n)==0 ){ const char *zFile, *zProc; char *zErrMsg = 0; failIfSafeMode(p, "cannot run .load in safe mode"); if( nArg<2 || azArg[1][0]==0 ){ /* Must have a non-empty FILE. (Will not load self.) */ eputz("Usage: .load FILE ?ENTRYPOINT?\n"); rc = 1; goto meta_command_exit; } zFile = azArg[1]; zProc = nArg>=3 ? azArg[2] : 0; open_db(p, 0); rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg); if( rc!=SQLITE_OK ){ shellEmitError(zErrMsg); sqlite3_free(zErrMsg); rc = 1; } }else #endif if( c=='l' && cli_strncmp(azArg[0], "log", n)==0 ){ if( nArg!=2 ){ eputz("Usage: .log FILENAME\n"); rc = 1; }else{ const char *zFile = azArg[1]; if( p->bSafeMode && cli_strcmp(zFile,"on")!=0 && cli_strcmp(zFile,"off")!=0 ){ sputz(stdout, "cannot set .log to anything other" " than \"on\" or \"off\"\n"); zFile = "off"; } output_file_close(p->pLog); if( cli_strcmp(zFile,"on")==0 ) zFile = "stdout"; p->pLog = output_file_open(zFile); } }else if( c=='m' && cli_strncmp(azArg[0], "mode", n)==0 ){ const char *zMode = 0; const char *zTabname = 0; int i, n2; int chng = 0; /* 0x01: change to cmopts. 0x02: Any other change */ ColModeOpts cmOpts = ColModeOpts_default; for(i=1; i<nArg; i++){ const char *z = azArg[i]; if( optionMatch(z,"wrap") && i+1<nArg ){ cmOpts.iWrap = integerValue(azArg[++i]); chng |= 1; }else if( optionMatch(z,"ww") ){ cmOpts.bWordWrap = 1; chng |= 1; }else if( optionMatch(z,"wordwrap") && i+1<nArg ){ cmOpts.bWordWrap = (u8)booleanValue(azArg[++i]); chng |= 1; }else if( optionMatch(z,"quote") ){ cmOpts.bQuote = 1; chng |= 1; }else if( optionMatch(z,"noquote") ){ cmOpts.bQuote = 0; chng |= 1; }else if( optionMatch(z,"escape") && i+1<nArg ){ /* See similar code at tag-20250224-1 */ const char *zEsc = azArg[++i]; int k; for(k=0; k<ArraySize(shell_EscModeNames); k++){ if( sqlite3_stricmp(zEsc,shell_EscModeNames[k])==0 ){ p->eEscMode = k; chng |= 2; break; } } if( k>=ArraySize(shell_EscModeNames) ){ sqlite3_fprintf(stderr, "unknown control character escape mode \"%s\"" " - choices:", zEsc); for(k=0; k<ArraySize(shell_EscModeNames); k++){ sqlite3_fprintf(stderr, " %s", shell_EscModeNames[k]); } sqlite3_fprintf(stderr, "\n"); rc = 1; goto meta_command_exit; } }else if( zMode==0 ){ zMode = z; /* Apply defaults for qbox pseudo-mode. If that * overwrites already-set values, user was informed of this. */ chng |= 1; if( cli_strcmp(z, "qbox")==0 ){ ColModeOpts cmo = ColModeOpts_default_qbox; zMode = "box"; cmOpts = cmo; } }else if( zTabname==0 ){ zTabname = z; }else if( z[0]=='-' ){ sqlite3_fprintf(stderr,"unknown option: %s\n", z); eputz("options:\n" " --escape MODE\n" " --noquote\n" " --quote\n" " --wordwrap on/off\n" " --wrap N\n" " --ww\n"); rc = 1; goto meta_command_exit; }else{ sqlite3_fprintf(stderr,"extra argument: \"%s\"\n", z); rc = 1; goto meta_command_exit; } } if( !chng ){ if( p->mode==MODE_Column || (p->mode>=MODE_Markdown && p->mode<=MODE_Box) ){ sqlite3_fprintf(p->out, "current output mode: %s --wrap %d --wordwrap %s " "--%squote --escape %s\n", modeDescr[p->mode], p->cmOpts.iWrap, p->cmOpts.bWordWrap ? "on" : "off", p->cmOpts.bQuote ? "" : "no", shell_EscModeNames[p->eEscMode] ); }else{ sqlite3_fprintf(p->out, "current output mode: %s --escape %s\n", modeDescr[p->mode], shell_EscModeNames[p->eEscMode] ); } } if( zMode==0 ){ zMode = modeDescr[p->mode]; if( (chng&1)==0 ) cmOpts = p->cmOpts; } n2 = strlen30(zMode); if( cli_strncmp(zMode,"lines",n2)==0 ){ p->mode = MODE_Line; sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); }else if( cli_strncmp(zMode,"columns",n2)==0 ){ p->mode = MODE_Column; if( (p->shellFlgs & SHFLG_HeaderSet)==0 ){ p->showHeader = 1; } sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); p->cmOpts = cmOpts; }else if( cli_strncmp(zMode,"list",n2)==0 ){ p->mode = MODE_List; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Column); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); }else if( cli_strncmp(zMode,"html",n2)==0 ){ p->mode = MODE_Html; }else if( cli_strncmp(zMode,"tcl",n2)==0 ){ p->mode = MODE_Tcl; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Space); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); }else if( cli_strncmp(zMode,"csv",n2)==0 ){ p->mode = MODE_Csv; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf); }else if( cli_strncmp(zMode,"tabs",n2)==0 ){ p->mode = MODE_List; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Tab); }else if( cli_strncmp(zMode,"insert",n2)==0 ){ p->mode = MODE_Insert; set_table_name(p, zTabname ? zTabname : "table"); if( p->eEscMode==SHELL_ESC_OFF ){ ShellSetFlag(p, SHFLG_Newlines); }else{ ShellClearFlag(p, SHFLG_Newlines); } }else if( cli_strncmp(zMode,"quote",n2)==0 ){ p->mode = MODE_Quote; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); }else if( cli_strncmp(zMode,"ascii",n2)==0 ){ p->mode = MODE_Ascii; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Unit); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Record); }else if( cli_strncmp(zMode,"markdown",n2)==0 ){ p->mode = MODE_Markdown; p->cmOpts = cmOpts; }else if( cli_strncmp(zMode,"table",n2)==0 ){ p->mode = MODE_Table; p->cmOpts = cmOpts; }else if( cli_strncmp(zMode,"box",n2)==0 ){ p->mode = MODE_Box; p->cmOpts = cmOpts; }else if( cli_strncmp(zMode,"count",n2)==0 ){ p->mode = MODE_Count; }else if( cli_strncmp(zMode,"off",n2)==0 ){ p->mode = MODE_Off; }else if( cli_strncmp(zMode,"json",n2)==0 ){ p->mode = MODE_Json; }else{ eputz("Error: mode should be one of: " "ascii box column csv html insert json line list markdown " "qbox quote table tabs tcl\n"); rc = 1; } p->cMode = p->mode; }else #ifndef SQLITE_SHELL_FIDDLE if( c=='n' && cli_strcmp(azArg[0], "nonce")==0 ){ if( nArg!=2 ){ eputz("Usage: .nonce NONCE\n"); rc = 1; }else if( p->zNonce==0 || cli_strcmp(azArg[1],p->zNonce)!=0 ){ sqlite3_fprintf(stderr,"line %lld: incorrect nonce: \"%s\"\n", p->lineno, azArg[1]); exit(1); }else{ p->bSafeMode = 0; return 0; /* Return immediately to bypass the safe mode reset ** at the end of this procedure */ } }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='n' && cli_strncmp(azArg[0], "nullvalue", n)==0 ){ if( nArg==2 ){ sqlite3_snprintf(sizeof(p->nullValue), p->nullValue, "%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]); }else{ eputz("Usage: .nullvalue STRING\n"); rc = 1; } }else if( c=='o' && cli_strncmp(azArg[0], "open", n)==0 && n>=2 ){ const char *zFN = 0; /* Pointer to constant filename */ char *zNewFilename = 0; /* Name of the database file to open */ int iName = 1; /* Index in azArg[] of the filename */ int newFlag = 0; /* True to delete file before opening */ int openMode = SHELL_OPEN_UNSPEC; int openFlags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE; /* Check for command-line arguments */ for(iName=1; iName<nArg; iName++){ const char *z = azArg[iName]; #ifndef SQLITE_SHELL_FIDDLE if( optionMatch(z,"new") ){ newFlag = 1; #ifdef SQLITE_HAVE_ZLIB }else if( optionMatch(z, "zip") ){ openMode = SHELL_OPEN_ZIPFILE; #endif }else if( optionMatch(z, "append") ){ openMode = SHELL_OPEN_APPENDVFS; }else if( optionMatch(z, "readonly") ){ openFlags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE); openFlags |= SQLITE_OPEN_READONLY; }else if( optionMatch(z, "exclusive") ){ openFlags |= SQLITE_OPEN_EXCLUSIVE; }else if( optionMatch(z, "ifexists") ){ openFlags &= ~(SQLITE_OPEN_CREATE); }else if( optionMatch(z, "nofollow") ){ openFlags |= SQLITE_OPEN_NOFOLLOW; #ifndef SQLITE_OMIT_DESERIALIZE }else if( optionMatch(z, "deserialize") ){ openMode = SHELL_OPEN_DESERIALIZE; }else if( optionMatch(z, "hexdb") ){ openMode = SHELL_OPEN_HEXDB; }else if( optionMatch(z, "normal") ){ openMode = SHELL_OPEN_NORMAL; }else if( optionMatch(z, "maxsize") && iName+1<nArg ){ p->szMax = integerValue(azArg[++iName]); #endif /* SQLITE_OMIT_DESERIALIZE */ }else #endif /* !SQLITE_SHELL_FIDDLE */ if( z[0]=='-' ){ sqlite3_fprintf(stderr,"unknown option: %s\n", z); rc = 1; goto meta_command_exit; }else if( zFN ){ sqlite3_fprintf(stderr,"extra argument: \"%s\"\n", z); rc = 1; goto meta_command_exit; }else{ zFN = z; } } /* Close the existing database */ session_close_all(p, -1); close_db(p->db); p->db = 0; p->pAuxDb->zDbFilename = 0; sqlite3_free(p->pAuxDb->zFreeOnClose); p->pAuxDb->zFreeOnClose = 0; p->openMode = openMode; p->openFlags = openFlags; p->szMax = 0; /* If a filename is specified, try to open it first */ if( zFN || p->openMode==SHELL_OPEN_HEXDB ){ if( newFlag && zFN && !p->bSafeMode ){ if( cli_strncmp(zFN,"file:",5)==0 ){ char *zDel = shellFilenameFromUri(zFN); shell_check_oom(zDel); shellDeleteFile(zDel); sqlite3_free(zDel); }else{ shellDeleteFile(zFN); } } #ifndef SQLITE_SHELL_FIDDLE if( p->bSafeMode && p->openMode!=SHELL_OPEN_HEXDB && zFN && cli_strcmp(zFN,":memory:")!=0 ){ failIfSafeMode(p, "cannot open disk-based database files in safe mode"); } #else /* WASM mode has its own sandboxed pseudo-filesystem. */ #endif if( zFN ){ zNewFilename = sqlite3_mprintf("%s", zFN); shell_check_oom(zNewFilename); }else{ zNewFilename = 0; } p->pAuxDb->zDbFilename = zNewFilename; open_db(p, OPEN_DB_KEEPALIVE); if( p->db==0 ){ sqlite3_fprintf(stderr,"Error: cannot open '%s'\n", zNewFilename); sqlite3_free(zNewFilename); }else{ p->pAuxDb->zFreeOnClose = zNewFilename; } } if( p->db==0 ){ /* As a fall-back open a TEMP database */ p->pAuxDb->zDbFilename = 0; open_db(p, 0); } }else #ifndef SQLITE_SHELL_FIDDLE if( (c=='o' && (cli_strncmp(azArg[0], "output", n)==0 || cli_strncmp(azArg[0], "once", n)==0)) || (c=='e' && n==5 && cli_strcmp(azArg[0],"excel")==0) || (c=='w' && n==3 && cli_strcmp(azArg[0],"www")==0) ){ char *zFile = 0; int i; int eMode = 0; /* 0: .outout/.once, 'x'=.excel, 'w'=.www */ int bOnce = 0; /* 0: .output, 1: .once, 2: .excel/.www */ int bPlain = 0; /* --plain option */ static const char *zBomUtf8 = "\357\273\277"; const char *zBom = 0; failIfSafeMode(p, "cannot run .%s in safe mode", azArg[0]); if( c=='e' ){ eMode = 'x'; bOnce = 2; }else if( c=='w' ){ eMode = 'w'; bOnce = 2; }else if( cli_strncmp(azArg[0],"once",n)==0 ){ bOnce = 1; } for(i=1; i<nArg; i++){ char *z = azArg[i]; if( z[0]=='-' ){ if( z[1]=='-' ) z++; if( cli_strcmp(z,"-bom")==0 ){ zBom = zBomUtf8; }else if( cli_strcmp(z,"-plain")==0 ){ bPlain = 1; }else if( c=='o' && cli_strcmp(z,"-x")==0 ){ eMode = 'x'; /* spreadsheet */ }else if( c=='o' && cli_strcmp(z,"-e")==0 ){ eMode = 'e'; /* text editor */ }else if( c=='o' && cli_strcmp(z,"-w")==0 ){ eMode = 'w'; /* Web browser */ }else{ sqlite3_fprintf(p->out, "ERROR: unknown option: \"%s\". Usage:\n", azArg[i]); showHelp(p->out, azArg[0]); rc = 1; sqlite3_free(zFile); goto meta_command_exit; } }else if( zFile==0 && eMode==0 ){ if( cli_strcmp(z, "off")==0 ){ #ifdef _WIN32 zFile = sqlite3_mprintf("nul"); #else zFile = sqlite3_mprintf("/dev/null"); #endif }else{ zFile = sqlite3_mprintf("%s", z); } if( zFile && zFile[0]=='|' ){ while( i+1<nArg ) zFile = sqlite3_mprintf("%z %s", zFile, azArg[++i]); break; } }else{ sqlite3_fprintf(p->out, "ERROR: extra parameter: \"%s\". Usage:\n", azArg[i]); showHelp(p->out, azArg[0]); rc = 1; sqlite3_free(zFile); goto meta_command_exit; } } if( zFile==0 ){ zFile = sqlite3_mprintf("stdout"); } shell_check_oom(zFile); if( bOnce ){ p->outCount = 2; }else{ p->outCount = 0; } output_reset(p); #ifndef SQLITE_NOHAVE_SYSTEM if( eMode=='e' || eMode=='x' || eMode=='w' ){ p->doXdgOpen = 1; outputModePush(p); if( eMode=='x' ){ /* spreadsheet mode. Output as CSV. */ newTempFile(p, "csv"); ShellClearFlag(p, SHFLG_Echo); p->mode = MODE_Csv; sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma); sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf); #ifdef _WIN32 zBom = zBomUtf8; /* Always include the BOM on Windows, as Excel does ** not work without it. */ #endif }else if( eMode=='w' ){ /* web-browser mode. */ newTempFile(p, "html"); if( !bPlain ) p->mode = MODE_Www; }else{ /* text editor mode */ newTempFile(p, "txt"); } sqlite3_free(zFile); zFile = sqlite3_mprintf("%s", p->zTempFile); } #endif /* SQLITE_NOHAVE_SYSTEM */ shell_check_oom(zFile); if( zFile[0]=='|' ){ #ifdef SQLITE_OMIT_POPEN eputz("Error: pipes are not supported in this OS\n"); rc = 1; output_redir(p, stdout); #else FILE *pfPipe = sqlite3_popen(zFile + 1, "w"); if( pfPipe==0 ){ assert( stderr!=NULL ); sqlite3_fprintf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1); rc = 1; }else{ output_redir(p, pfPipe); if( zBom ) sqlite3_fputs(zBom, pfPipe); sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile); } #endif }else{ FILE *pfFile = output_file_open(zFile); if( pfFile==0 ){ if( cli_strcmp(zFile,"off")!=0 ){ assert( stderr!=NULL ); sqlite3_fprintf(stderr,"Error: cannot write to \"%s\"\n", zFile); } rc = 1; } else { output_redir(p, pfFile); if( zBom ) sqlite3_fputs(zBom, pfFile); if( bPlain && eMode=='w' ){ sqlite3_fputs( "<!DOCTYPE html>\n<BODY>\n<PLAINTEXT>\n", pfFile ); } sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile); } } sqlite3_free(zFile); }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='p' && n>=3 && cli_strncmp(azArg[0], "parameter", n)==0 ){ open_db(p,0); if( nArg<=1 ) goto parameter_syntax_error; /* .parameter clear ** Clear all bind parameters by dropping the TEMP table that holds them. */ if( nArg==2 && cli_strcmp(azArg[1],"clear")==0 ){ sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp.sqlite_parameters;", 0, 0, 0); }else /* .parameter list ** List all bind parameters. */ if( nArg==2 && cli_strcmp(azArg[1],"list")==0 ){ sqlite3_stmt *pStmt = 0; int rx; int len = 0; rx = sqlite3_prepare_v2(p->db, "SELECT max(length(key)) " "FROM temp.sqlite_parameters;", -1, &pStmt, 0); if( rx==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ len = sqlite3_column_int(pStmt, 0); if( len>40 ) len = 40; } sqlite3_finalize(pStmt); pStmt = 0; if( len ){ rx = sqlite3_prepare_v2(p->db, "SELECT key, quote(value) " "FROM temp.sqlite_parameters;", -1, &pStmt, 0); while( rx==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ sqlite3_fprintf(p->out, "%-*s %s\n", len, sqlite3_column_text(pStmt,0), sqlite3_column_text(pStmt,1)); } sqlite3_finalize(pStmt); } }else /* .parameter init ** Make sure the TEMP table used to hold bind parameters exists. ** Create it if necessary. */ if( nArg==2 && cli_strcmp(azArg[1],"init")==0 ){ bind_table_init(p); }else /* .parameter set NAME VALUE ** Set or reset a bind parameter. NAME should be the full parameter ** name exactly as it appears in the query. (ex: $abc, @def). The ** VALUE can be in either SQL literal notation, or if not it will be ** understood to be a text string. */ if( nArg==4 && cli_strcmp(azArg[1],"set")==0 ){ int rx; char *zSql; sqlite3_stmt *pStmt; const char *zKey = azArg[2]; const char *zValue = azArg[3]; bind_table_init(p); zSql = sqlite3_mprintf( "REPLACE INTO temp.sqlite_parameters(key,value)" "VALUES(%Q,%s);", zKey, zValue); shell_check_oom(zSql); pStmt = 0; rx = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rx!=SQLITE_OK ){ sqlite3_finalize(pStmt); pStmt = 0; zSql = sqlite3_mprintf( "REPLACE INTO temp.sqlite_parameters(key,value)" "VALUES(%Q,%Q);", zKey, zValue); shell_check_oom(zSql); rx = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rx!=SQLITE_OK ){ sqlite3_fprintf(p->out, "Error: %s\n", sqlite3_errmsg(p->db)); sqlite3_finalize(pStmt); pStmt = 0; rc = 1; } } bind_prepared_stmt(p, pStmt); sqlite3_step(pStmt); sqlite3_finalize(pStmt); }else /* .parameter unset NAME ** Remove the NAME binding from the parameter binding table, if it ** exists. */ if( nArg==3 && cli_strcmp(azArg[1],"unset")==0 ){ char *zSql = sqlite3_mprintf( "DELETE FROM temp.sqlite_parameters WHERE key=%Q", azArg[2]); shell_check_oom(zSql); sqlite3_exec(p->db, zSql, 0, 0, 0); sqlite3_free(zSql); }else /* If no command name matches, show a syntax error */ parameter_syntax_error: showHelp(p->out, "parameter"); }else if( c=='p' && n>=3 && cli_strncmp(azArg[0], "print", n)==0 ){ int i; for(i=1; i<nArg; i++){ if( i>1 ) sqlite3_fputs(" ", p->out); sqlite3_fputs(azArg[i], p->out); } sqlite3_fputs("\n", p->out); }else #ifndef SQLITE_OMIT_PROGRESS_CALLBACK if( c=='p' && n>=3 && cli_strncmp(azArg[0], "progress", n)==0 ){ int i; int nn = 0; p->flgProgress = 0; p->mxProgress = 0; p->nProgress = 0; for(i=1; i<nArg; i++){ const char *z = azArg[i]; if( z[0]=='-' ){ z++; if( z[0]=='-' ) z++; if( cli_strcmp(z,"quiet")==0 || cli_strcmp(z,"q")==0 ){ p->flgProgress |= SHELL_PROGRESS_QUIET; continue; } if( cli_strcmp(z,"reset")==0 ){ p->flgProgress |= SHELL_PROGRESS_RESET; continue; } if( cli_strcmp(z,"once")==0 ){ p->flgProgress |= SHELL_PROGRESS_ONCE; continue; } if( cli_strcmp(z,"limit")==0 ){ if( i+1>=nArg ){ eputz("Error: missing argument on --limit\n"); rc = 1; goto meta_command_exit; }else{ p->mxProgress = (int)integerValue(azArg[++i]); } continue; } sqlite3_fprintf(stderr,"Error: unknown option: \"%s\"\n", azArg[i]); rc = 1; goto meta_command_exit; }else{ nn = (int)integerValue(z); } } open_db(p, 0); sqlite3_progress_handler(p->db, nn, progress_handler, p); }else #endif /* SQLITE_OMIT_PROGRESS_CALLBACK */ if( c=='p' && cli_strncmp(azArg[0], "prompt", n)==0 ){ if( nArg >= 2) { shell_strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1); } if( nArg >= 3) { shell_strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1); } }else #ifndef SQLITE_SHELL_FIDDLE if( c=='q' && cli_strncmp(azArg[0], "quit", n)==0 ){ rc = 2; }else #endif #ifndef SQLITE_SHELL_FIDDLE if( c=='r' && n>=3 && cli_strncmp(azArg[0], "read", n)==0 ){ FILE *inSaved = p->in; i64 savedLineno = p->lineno; failIfSafeMode(p, "cannot run .read in safe mode"); if( nArg!=2 ){ eputz("Usage: .read FILE\n"); rc = 1; goto meta_command_exit; } if( azArg[1][0]=='|' ){ #ifdef SQLITE_OMIT_POPEN eputz("Error: pipes are not supported in this OS\n"); rc = 1; #else p->in = sqlite3_popen(azArg[1]+1, "r"); if( p->in==0 ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]); rc = 1; }else{ rc = process_input(p, "<pipe>"); pclose(p->in); } #endif }else if( (p->in = openChrSource(azArg[1]))==0 ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]); rc = 1; }else{ rc = process_input(p, azArg[1]); fclose(p->in); } p->in = inSaved; p->lineno = savedLineno; }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ #ifndef SQLITE_SHELL_FIDDLE if( c=='r' && n>=3 && cli_strncmp(azArg[0], "restore", n)==0 ){ const char *zSrcFile; const char *zDb; sqlite3 *pSrc; sqlite3_backup *pBackup; int nTimeout = 0; failIfSafeMode(p, "cannot run .restore in safe mode"); if( nArg==2 ){ zSrcFile = azArg[1]; zDb = "main"; }else if( nArg==3 ){ zSrcFile = azArg[2]; zDb = azArg[1]; }else{ eputz("Usage: .restore ?DB? FILE\n"); rc = 1; goto meta_command_exit; } rc = sqlite3_open(zSrcFile, &pSrc); if( rc!=SQLITE_OK ){ sqlite3_fprintf(stderr,"Error: cannot open \"%s\"\n", zSrcFile); close_db(pSrc); return 1; } open_db(p, 0); pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main"); if( pBackup==0 ){ shellDatabaseError(p->db); close_db(pSrc); return 1; } while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK || rc==SQLITE_BUSY ){ if( rc==SQLITE_BUSY ){ if( nTimeout++ >= 3 ) break; sqlite3_sleep(100); } } sqlite3_backup_finish(pBackup); if( rc==SQLITE_DONE ){ rc = 0; }else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){ eputz("Error: source database is busy\n"); rc = 1; }else{ shellDatabaseError(p->db); rc = 1; } close_db(pSrc); }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ if( c=='s' && (cli_strncmp(azArg[0], "scanstats", n)==0 || cli_strncmp(azArg[0], "scanstatus", n)==0) ){ if( nArg==2 ){ if( cli_strcmp(azArg[1], "vm")==0 ){ p->scanstatsOn = 3; }else if( cli_strcmp(azArg[1], "est")==0 ){ p->scanstatsOn = 2; }else{ p->scanstatsOn = (u8)booleanValue(azArg[1]); } open_db(p, 0); sqlite3_db_config( p->db, SQLITE_DBCONFIG_STMT_SCANSTATUS, p->scanstatsOn, (int*)0 ); #if !defined(SQLITE_ENABLE_STMT_SCANSTATUS) eputz("Warning: .scanstats not available in this build.\n"); #elif !defined(SQLITE_ENABLE_BYTECODE_VTAB) if( p->scanstatsOn==3 ){ eputz("Warning: \".scanstats vm\" not available in this build.\n"); } #endif }else{ eputz("Usage: .scanstats on|off|est\n"); rc = 1; } }else if( c=='s' && cli_strncmp(azArg[0], "schema", n)==0 ){ ShellText sSelect; ShellState data; char *zErrMsg = 0; const char *zDiv = "("; const char *zName = 0; int iSchema = 0; int bDebug = 0; int bNoSystemTabs = 0; int ii; open_db(p, 0); memcpy(&data, p, sizeof(data)); data.showHeader = 0; data.cMode = data.mode = MODE_Semi; initText(&sSelect); for(ii=1; ii<nArg; ii++){ if( optionMatch(azArg[ii],"indent") ){ data.cMode = data.mode = MODE_Pretty; }else if( optionMatch(azArg[ii],"debug") ){ bDebug = 1; }else if( optionMatch(azArg[ii],"nosys") ){ bNoSystemTabs = 1; }else if( azArg[ii][0]=='-' ){ sqlite3_fprintf(stderr,"Unknown option: \"%s\"\n", azArg[ii]); rc = 1; goto meta_command_exit; }else if( zName==0 ){ zName = azArg[ii]; }else{ eputz("Usage: .schema ?--indent? ?--nosys? ?LIKE-PATTERN?\n"); rc = 1; goto meta_command_exit; } } if( zName!=0 ){ int isSchema = sqlite3_strlike(zName, "sqlite_master", '\\')==0 || sqlite3_strlike(zName, "sqlite_schema", '\\')==0 || sqlite3_strlike(zName,"sqlite_temp_master", '\\')==0 || sqlite3_strlike(zName,"sqlite_temp_schema", '\\')==0; if( isSchema ){ char *new_argv[2], *new_colv[2]; new_argv[0] = sqlite3_mprintf( "CREATE TABLE %s (\n" " type text,\n" " name text,\n" " tbl_name text,\n" " rootpage integer,\n" " sql text\n" ")", zName); shell_check_oom(new_argv[0]); new_argv[1] = 0; new_colv[0] = "sql"; new_colv[1] = 0; callback(&data, 1, new_argv, new_colv); sqlite3_free(new_argv[0]); } } if( zDiv ){ sqlite3_stmt *pStmt = 0; rc = sqlite3_prepare_v2(p->db, "SELECT name FROM pragma_database_list", -1, &pStmt, 0); if( rc ){ shellDatabaseError(p->db); sqlite3_finalize(pStmt); rc = 1; goto meta_command_exit; } appendText(&sSelect, "SELECT sql FROM", 0); iSchema = 0; while( sqlite3_step(pStmt)==SQLITE_ROW ){ const char *zDb = (const char*)sqlite3_column_text(pStmt, 0); char zScNum[30]; sqlite3_snprintf(sizeof(zScNum), zScNum, "%d", ++iSchema); appendText(&sSelect, zDiv, 0); zDiv = " UNION ALL "; appendText(&sSelect, "SELECT shell_add_schema(sql,", 0); if( sqlite3_stricmp(zDb, "main")!=0 ){ appendText(&sSelect, zDb, '\''); }else{ appendText(&sSelect, "NULL", 0); } appendText(&sSelect, ",name) AS sql, type, tbl_name, name, rowid,", 0); appendText(&sSelect, zScNum, 0); appendText(&sSelect, " AS snum, ", 0); appendText(&sSelect, zDb, '\''); appendText(&sSelect, " AS sname FROM ", 0); appendText(&sSelect, zDb, quoteChar(zDb)); appendText(&sSelect, ".sqlite_schema", 0); } sqlite3_finalize(pStmt); #ifndef SQLITE_OMIT_INTROSPECTION_PRAGMAS if( zName ){ appendText(&sSelect, " UNION ALL SELECT shell_module_schema(name)," " 'table', name, name, name, 9e+99, 'main' FROM pragma_module_list", 0); } #endif appendText(&sSelect, ") WHERE ", 0); if( zName ){ char *zQarg = sqlite3_mprintf("%Q", zName); int bGlob; shell_check_oom(zQarg); bGlob = strchr(zName, '*') != 0 || strchr(zName, '?') != 0 || strchr(zName, '[') != 0; if( strchr(zName, '.') ){ appendText(&sSelect, "lower(printf('%s.%s',sname,tbl_name))", 0); }else{ appendText(&sSelect, "lower(tbl_name)", 0); } appendText(&sSelect, bGlob ? " GLOB " : " LIKE ", 0); appendText(&sSelect, zQarg, 0); if( !bGlob ){ appendText(&sSelect, " ESCAPE '\\' ", 0); } appendText(&sSelect, " AND ", 0); sqlite3_free(zQarg); } if( bNoSystemTabs ){ appendText(&sSelect, "name NOT LIKE 'sqlite__%%' ESCAPE '_' AND ", 0); } appendText(&sSelect, "sql IS NOT NULL" " ORDER BY snum, rowid", 0); if( bDebug ){ sqlite3_fprintf(p->out, "SQL: %s;\n", sSelect.zTxt); }else{ rc = sqlite3_exec(p->db, sSelect.zTxt, callback, &data, &zErrMsg); } freeText(&sSelect); } if( zErrMsg ){ shellEmitError(zErrMsg); sqlite3_free(zErrMsg); rc = 1; }else if( rc != SQLITE_OK ){ eputz("Error: querying schema information\n"); rc = 1; }else{ rc = 0; } }else if( (c=='s' && n==11 && cli_strncmp(azArg[0], "selecttrace", n)==0) || (c=='t' && n==9 && cli_strncmp(azArg[0], "treetrace", n)==0) ){ unsigned int x = nArg>=2? (unsigned int)integerValue(azArg[1]) : 0xffffffff; sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 1, &x); }else #if defined(SQLITE_ENABLE_SESSION) if( c=='s' && cli_strncmp(azArg[0],"session",n)==0 && n>=3 ){ struct AuxDb *pAuxDb = p->pAuxDb; OpenSession *pSession = &pAuxDb->aSession[0]; char **azCmd = &azArg[1]; int iSes = 0; int nCmd = nArg - 1; int i; if( nArg<=1 ) goto session_syntax_error; open_db(p, 0); if( nArg>=3 ){ for(iSes=0; iSes<pAuxDb->nSession; iSes++){ if( cli_strcmp(pAuxDb->aSession[iSes].zName, azArg[1])==0 ) break; } if( iSes<pAuxDb->nSession ){ pSession = &pAuxDb->aSession[iSes]; azCmd++; nCmd--; }else{ pSession = &pAuxDb->aSession[0]; iSes = 0; } } /* .session attach TABLE ** Invoke the sqlite3session_attach() interface to attach a particular ** table so that it is never filtered. */ if( cli_strcmp(azCmd[0],"attach")==0 ){ if( nCmd!=2 ) goto session_syntax_error; if( pSession->p==0 ){ session_not_open: eputz("ERROR: No sessions are open\n"); }else{ rc = sqlite3session_attach(pSession->p, azCmd[1]); if( rc ){ sqlite3_fprintf(stderr, "ERROR: sqlite3session_attach() returns %d\n",rc); rc = 0; } } }else /* .session changeset FILE ** .session patchset FILE ** Write a changeset or patchset into a file. The file is overwritten. */ if( cli_strcmp(azCmd[0],"changeset")==0 || cli_strcmp(azCmd[0],"patchset")==0 ){ FILE *out = 0; failIfSafeMode(p, "cannot run \".session %s\" in safe mode", azCmd[0]); if( nCmd!=2 ) goto session_syntax_error; if( pSession->p==0 ) goto session_not_open; out = sqlite3_fopen(azCmd[1], "wb"); if( out==0 ){ sqlite3_fprintf(stderr,"ERROR: cannot open \"%s\" for writing\n", azCmd[1]); }else{ int szChng; void *pChng; if( azCmd[0][0]=='c' ){ rc = sqlite3session_changeset(pSession->p, &szChng, &pChng); }else{ rc = sqlite3session_patchset(pSession->p, &szChng, &pChng); } if( rc ){ sqlite3_fprintf(stdout, "Error: error code %d\n", rc); rc = 0; } if( pChng && fwrite(pChng, szChng, 1, out)!=1 ){ sqlite3_fprintf(stderr, "ERROR: Failed to write entire %d-byte output\n", szChng); } sqlite3_free(pChng); fclose(out); } }else /* .session close ** Close the identified session */ if( cli_strcmp(azCmd[0], "close")==0 ){ if( nCmd!=1 ) goto session_syntax_error; if( pAuxDb->nSession ){ session_close(pSession); pAuxDb->aSession[iSes] = pAuxDb->aSession[--pAuxDb->nSession]; } }else /* .session enable ?BOOLEAN? ** Query or set the enable flag */ if( cli_strcmp(azCmd[0], "enable")==0 ){ int ii; if( nCmd>2 ) goto session_syntax_error; ii = nCmd==1 ? -1 : booleanValue(azCmd[1]); if( pAuxDb->nSession ){ ii = sqlite3session_enable(pSession->p, ii); sqlite3_fprintf(p->out, "session %s enable flag = %d\n", pSession->zName, ii); } }else /* .session filter GLOB .... ** Set a list of GLOB patterns of table names to be excluded. */ if( cli_strcmp(azCmd[0], "filter")==0 ){ int ii; i64 nByte; if( nCmd<2 ) goto session_syntax_error; if( pAuxDb->nSession ){ for(ii=0; ii<pSession->nFilter; ii++){ sqlite3_free(pSession->azFilter[ii]); } sqlite3_free(pSession->azFilter); nByte = sizeof(pSession->azFilter[0])*(nCmd-1); pSession->azFilter = sqlite3_malloc64( nByte ); shell_check_oom( pSession->azFilter ); for(ii=1; ii<nCmd; ii++){ char *x = pSession->azFilter[ii-1] = sqlite3_mprintf("%s", azCmd[ii]); shell_check_oom(x); } pSession->nFilter = ii-1; } }else /* .session indirect ?BOOLEAN? ** Query or set the indirect flag */ if( cli_strcmp(azCmd[0], "indirect")==0 ){ int ii; if( nCmd>2 ) goto session_syntax_error; ii = nCmd==1 ? -1 : booleanValue(azCmd[1]); if( pAuxDb->nSession ){ ii = sqlite3session_indirect(pSession->p, ii); sqlite3_fprintf(p->out, "session %s indirect flag = %d\n", pSession->zName, ii); } }else /* .session isempty ** Determine if the session is empty */ if( cli_strcmp(azCmd[0], "isempty")==0 ){ int ii; if( nCmd!=1 ) goto session_syntax_error; if( pAuxDb->nSession ){ ii = sqlite3session_isempty(pSession->p); sqlite3_fprintf(p->out, "session %s isempty flag = %d\n", pSession->zName, ii); } }else /* .session list ** List all currently open sessions */ if( cli_strcmp(azCmd[0],"list")==0 ){ for(i=0; i<pAuxDb->nSession; i++){ sqlite3_fprintf(p->out, "%d %s\n", i, pAuxDb->aSession[i].zName); } }else /* .session open DB NAME ** Open a new session called NAME on the attached database DB. ** DB is normally "main". */ if( cli_strcmp(azCmd[0],"open")==0 ){ char *zName; if( nCmd!=3 ) goto session_syntax_error; zName = azCmd[2]; if( zName[0]==0 ) goto session_syntax_error; for(i=0; i<pAuxDb->nSession; i++){ if( cli_strcmp(pAuxDb->aSession[i].zName,zName)==0 ){ sqlite3_fprintf(stderr,"Session \"%s\" already exists\n", zName); goto meta_command_exit; } } if( pAuxDb->nSession>=ArraySize(pAuxDb->aSession) ){ sqlite3_fprintf(stderr, "Maximum of %d sessions\n", ArraySize(pAuxDb->aSession)); goto meta_command_exit; } pSession = &pAuxDb->aSession[pAuxDb->nSession]; rc = sqlite3session_create(p->db, azCmd[1], &pSession->p); if( rc ){ sqlite3_fprintf(stderr,"Cannot open session: error code=%d\n", rc); rc = 0; goto meta_command_exit; } pSession->nFilter = 0; sqlite3session_table_filter(pSession->p, session_filter, pSession); pAuxDb->nSession++; pSession->zName = sqlite3_mprintf("%s", zName); shell_check_oom(pSession->zName); }else /* If no command name matches, show a syntax error */ session_syntax_error: showHelp(p->out, "session"); }else #endif #ifdef SQLITE_DEBUG /* Undocumented commands for internal testing. Subject to change ** without notice. */ if( c=='s' && n>=10 && cli_strncmp(azArg[0], "selftest-", 9)==0 ){ if( cli_strncmp(azArg[0]+9, "boolean", n-9)==0 ){ int i, v; for(i=1; i<nArg; i++){ v = booleanValue(azArg[i]); sqlite3_fprintf(p->out, "%s: %d 0x%x\n", azArg[i], v, v); } } if( cli_strncmp(azArg[0]+9, "integer", n-9)==0 ){ int i; sqlite3_int64 v; for(i=1; i<nArg; i++){ char zBuf[200]; v = integerValue(azArg[i]); sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v); sqlite3_fputs(zBuf, p->out); } } }else #endif if( c=='s' && n>=4 && cli_strncmp(azArg[0],"selftest",n)==0 ){ int bIsInit = 0; /* True to initialize the SELFTEST table */ int bVerbose = 0; /* Verbose output */ int bSelftestExists; /* True if SELFTEST already exists */ int i, k; /* Loop counters */ int nTest = 0; /* Number of tests runs */ int nErr = 0; /* Number of errors seen */ ShellText str; /* Answer for a query */ sqlite3_stmt *pStmt = 0; /* Query against the SELFTEST table */ open_db(p,0); for(i=1; i<nArg; i++){ const char *z = azArg[i]; if( z[0]=='-' && z[1]=='-' ) z++; if( cli_strcmp(z,"-init")==0 ){ bIsInit = 1; }else if( cli_strcmp(z,"-v")==0 ){ bVerbose++; }else { sqlite3_fprintf(stderr, "Unknown option \"%s\" on \"%s\"\n", azArg[i], azArg[0]); sqlite3_fputs("Should be one of: --init -v\n", stderr); rc = 1; goto meta_command_exit; } } if( sqlite3_table_column_metadata(p->db,"main","selftest",0,0,0,0,0,0) != SQLITE_OK ){ bSelftestExists = 0; }else{ bSelftestExists = 1; } if( bIsInit ){ createSelftestTable(p); bSelftestExists = 1; } initText(&str); appendText(&str, "x", 0); for(k=bSelftestExists; k>=0; k--){ if( k==1 ){ rc = sqlite3_prepare_v2(p->db, "SELECT tno,op,cmd,ans FROM selftest ORDER BY tno", -1, &pStmt, 0); }else{ rc = sqlite3_prepare_v2(p->db, "VALUES(0,'memo','Missing SELFTEST table - default checks only','')," " (1,'run','PRAGMA integrity_check','ok')", -1, &pStmt, 0); } if( rc ){ eputz("Error querying the selftest table\n"); rc = 1; sqlite3_finalize(pStmt); goto meta_command_exit; } for(i=1; sqlite3_step(pStmt)==SQLITE_ROW; i++){ int tno = sqlite3_column_int(pStmt, 0); const char *zOp = (const char*)sqlite3_column_text(pStmt, 1); const char *zSql = (const char*)sqlite3_column_text(pStmt, 2); const char *zAns = (const char*)sqlite3_column_text(pStmt, 3); if( zOp==0 ) continue; if( zSql==0 ) continue; if( zAns==0 ) continue; k = 0; if( bVerbose>0 ){ sqlite3_fprintf(stdout, "%d: %s %s\n", tno, zOp, zSql); } if( cli_strcmp(zOp,"memo")==0 ){ sqlite3_fprintf(p->out, "%s\n", zSql); }else if( cli_strcmp(zOp,"run")==0 ){ char *zErrMsg = 0; str.n = 0; str.zTxt[0] = 0; rc = sqlite3_exec(p->db, zSql, captureOutputCallback, &str, &zErrMsg); nTest++; if( bVerbose ){ sqlite3_fprintf(p->out, "Result: %s\n", str.zTxt); } if( rc || zErrMsg ){ nErr++; rc = 1; sqlite3_fprintf(p->out, "%d: error-code-%d: %s\n", tno, rc,zErrMsg); sqlite3_free(zErrMsg); }else if( cli_strcmp(zAns,str.zTxt)!=0 ){ nErr++; rc = 1; sqlite3_fprintf(p->out, "%d: Expected: [%s]\n", tno, zAns); sqlite3_fprintf(p->out, "%d: Got: [%s]\n", tno, str.zTxt); } } else{ sqlite3_fprintf(stderr, "Unknown operation \"%s\" on selftest line %d\n", zOp, tno); rc = 1; break; } } /* End loop over rows of content from SELFTEST */ sqlite3_finalize(pStmt); } /* End loop over k */ freeText(&str); sqlite3_fprintf(p->out, "%d errors out of %d tests\n", nErr, nTest); }else if( c=='s' && cli_strncmp(azArg[0], "separator", n)==0 ){ if( nArg<2 || nArg>3 ){ eputz("Usage: .separator COL ?ROW?\n"); rc = 1; } if( nArg>=2 ){ sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, "%.*s", (int)ArraySize(p->colSeparator)-1, azArg[1]); } if( nArg>=3 ){ sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, "%.*s", (int)ArraySize(p->rowSeparator)-1, azArg[2]); } }else if( c=='s' && n>=4 && cli_strncmp(azArg[0],"sha3sum",n)==0 ){ const char *zLike = 0; /* Which table to checksum. 0 means everything */ int i; /* Loop counter */ int bSchema = 0; /* Also hash the schema */ int bSeparate = 0; /* Hash each table separately */ int iSize = 224; /* Hash algorithm to use */ int bDebug = 0; /* Only show the query that would have run */ sqlite3_stmt *pStmt; /* For querying tables names */ char *zSql; /* SQL to be run */ char *zSep; /* Separator */ ShellText sSql; /* Complete SQL for the query to run the hash */ ShellText sQuery; /* Set of queries used to read all content */ open_db(p, 0); for(i=1; i<nArg; i++){ const char *z = azArg[i]; if( z[0]=='-' ){ z++; if( z[0]=='-' ) z++; if( cli_strcmp(z,"schema")==0 ){ bSchema = 1; }else if( cli_strcmp(z,"sha3-224")==0 || cli_strcmp(z,"sha3-256")==0 || cli_strcmp(z,"sha3-384")==0 || cli_strcmp(z,"sha3-512")==0 ){ iSize = atoi(&z[5]); }else if( cli_strcmp(z,"debug")==0 ){ bDebug = 1; }else { sqlite3_fprintf(stderr, "Unknown option \"%s\" on \"%s\"\n", azArg[i], azArg[0]); showHelp(p->out, azArg[0]); rc = 1; goto meta_command_exit; } }else if( zLike ){ eputz("Usage: .sha3sum ?OPTIONS? ?LIKE-PATTERN?\n"); rc = 1; goto meta_command_exit; }else{ zLike = z; bSeparate = 1; if( sqlite3_strlike("sqlite\\_%", zLike, '\\')==0 ) bSchema = 1; } } if( bSchema ){ zSql = "SELECT lower(name) as tname FROM sqlite_schema" " WHERE type='table' AND coalesce(rootpage,0)>1" " UNION ALL SELECT 'sqlite_schema'" " ORDER BY 1 collate nocase"; }else{ zSql = "SELECT lower(name) as tname FROM sqlite_schema" " WHERE type='table' AND coalesce(rootpage,0)>1" " AND name NOT LIKE 'sqlite__%' ESCAPE '_'" " ORDER BY 1 collate nocase"; } sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); initText(&sQuery); initText(&sSql); appendText(&sSql, "WITH [sha3sum$query](a,b) AS(",0); zSep = "VALUES("; while( SQLITE_ROW==sqlite3_step(pStmt) ){ const char *zTab = (const char*)sqlite3_column_text(pStmt,0); if( zTab==0 ) continue; if( zLike && sqlite3_strlike(zLike, zTab, 0)!=0 ) continue; if( cli_strncmp(zTab, "sqlite_",7)!=0 ){ appendText(&sQuery,"SELECT * FROM ", 0); appendText(&sQuery,zTab,'"'); appendText(&sQuery," NOT INDEXED;", 0); }else if( cli_strcmp(zTab, "sqlite_schema")==0 ){ appendText(&sQuery,"SELECT type,name,tbl_name,sql FROM sqlite_schema" " ORDER BY name;", 0); }else if( cli_strcmp(zTab, "sqlite_sequence")==0 ){ appendText(&sQuery,"SELECT name,seq FROM sqlite_sequence" " ORDER BY name;", 0); }else if( cli_strcmp(zTab, "sqlite_stat1")==0 ){ appendText(&sQuery,"SELECT tbl,idx,stat FROM sqlite_stat1" " ORDER BY tbl,idx;", 0); }else if( cli_strcmp(zTab, "sqlite_stat4")==0 ){ appendText(&sQuery, "SELECT * FROM ", 0); appendText(&sQuery, zTab, 0); appendText(&sQuery, " ORDER BY tbl, idx, rowid;\n", 0); } appendText(&sSql, zSep, 0); appendText(&sSql, sQuery.zTxt, '\''); sQuery.n = 0; appendText(&sSql, ",", 0); appendText(&sSql, zTab, '\''); zSep = "),("; } sqlite3_finalize(pStmt); if( bSeparate ){ zSql = sqlite3_mprintf( "%s))" " SELECT lower(hex(sha3_query(a,%d))) AS hash, b AS label" " FROM [sha3sum$query]", sSql.zTxt, iSize); }else{ zSql = sqlite3_mprintf( "%s))" " SELECT lower(hex(sha3_query(group_concat(a,''),%d))) AS hash" " FROM [sha3sum$query]", sSql.zTxt, iSize); } shell_check_oom(zSql); freeText(&sQuery); freeText(&sSql); if( bDebug ){ sqlite3_fprintf(p->out, "%s\n", zSql); }else{ shell_exec(p, zSql, 0); } #if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && !defined(SQLITE_OMIT_VIRTUALTABLE) { int lrc; char *zRevText = /* Query for reversible to-blob-to-text check */ "SELECT lower(name) as tname FROM sqlite_schema\n" "WHERE type='table' AND coalesce(rootpage,0)>1\n" "AND name NOT LIKE 'sqlite__%%' ESCAPE '_'%s\n" "ORDER BY 1 collate nocase"; zRevText = sqlite3_mprintf(zRevText, zLike? " AND name LIKE $tspec" : ""); zRevText = sqlite3_mprintf( /* lower-case query is first run, producing upper-case query. */ "with tabcols as materialized(\n" "select tname, cname\n" "from (" " select printf('\"%%w\"',ss.tname) as tname," " printf('\"%%w\"',ti.name) as cname\n" " from (%z) ss\n inner join pragma_table_info(tname) ti))\n" "select 'SELECT total(bad_text_count) AS bad_text_count\n" "FROM ('||group_concat(query, ' UNION ALL ')||')' as btc_query\n" " from (select 'SELECT COUNT(*) AS bad_text_count\n" "FROM '||tname||' WHERE '\n" "||group_concat('CAST(CAST('||cname||' AS BLOB) AS TEXT)<>'||cname\n" "|| ' AND typeof('||cname||')=''text'' ',\n" "' OR ') as query, tname from tabcols group by tname)" , zRevText); shell_check_oom(zRevText); if( bDebug ) sqlite3_fprintf(p->out, "%s\n", zRevText); lrc = sqlite3_prepare_v2(p->db, zRevText, -1, &pStmt, 0); if( lrc!=SQLITE_OK ){ /* assert(lrc==SQLITE_NOMEM); // might also be SQLITE_ERROR if the ** user does cruel and unnatural things like ".limit expr_depth 0". */ rc = 1; }else{ if( zLike ) sqlite3_bind_text(pStmt,1,zLike,-1,SQLITE_STATIC); lrc = SQLITE_ROW==sqlite3_step(pStmt); if( lrc ){ const char *zGenQuery = (char*)sqlite3_column_text(pStmt,0); sqlite3_stmt *pCheckStmt; lrc = sqlite3_prepare_v2(p->db, zGenQuery, -1, &pCheckStmt, 0); if( bDebug ) sqlite3_fprintf(p->out, "%s\n", zGenQuery); if( lrc!=SQLITE_OK ){ rc = 1; }else{ if( SQLITE_ROW==sqlite3_step(pCheckStmt) ){ double countIrreversible = sqlite3_column_double(pCheckStmt, 0); if( countIrreversible>0 ){ int sz = (int)(countIrreversible + 0.5); sqlite3_fprintf(stderr, "Digest includes %d invalidly encoded text field%s.\n", sz, (sz>1)? "s": ""); } } sqlite3_finalize(pCheckStmt); } sqlite3_finalize(pStmt); } } if( rc ) eputz(".sha3sum failed.\n"); sqlite3_free(zRevText); } #endif /* !defined(*_OMIT_SCHEMA_PRAGMAS) && !defined(*_OMIT_VIRTUALTABLE) */ sqlite3_free(zSql); }else #if !defined(SQLITE_NOHAVE_SYSTEM) && !defined(SQLITE_SHELL_FIDDLE) if( c=='s' && (cli_strncmp(azArg[0], "shell", n)==0 || cli_strncmp(azArg[0],"system",n)==0) ){ char *zCmd; int i, x; failIfSafeMode(p, "cannot run .%s in safe mode", azArg[0]); if( nArg<2 ){ eputz("Usage: .system COMMAND\n"); rc = 1; goto meta_command_exit; } zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]); for(i=2; i<nArg && zCmd!=0; i++){ zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"", zCmd, azArg[i]); } /*consoleRestore();*/ x = zCmd!=0 ? system(zCmd) : 1; /*consoleRenewSetup();*/ sqlite3_free(zCmd); if( x ) sqlite3_fprintf(stderr,"System command returns %d\n", x); }else #endif /* !defined(SQLITE_NOHAVE_SYSTEM) && !defined(SQLITE_SHELL_FIDDLE) */ if( c=='s' && cli_strncmp(azArg[0], "show", n)==0 ){ static const char *azBool[] = { "off", "on", "trigger", "full"}; const char *zOut; int i; if( nArg!=1 ){ eputz("Usage: .show\n"); rc = 1; goto meta_command_exit; } sqlite3_fprintf(p->out, "%12.12s: %s\n","echo", azBool[ShellHasFlag(p, SHFLG_Echo)]); sqlite3_fprintf(p->out, "%12.12s: %s\n","eqp", azBool[p->autoEQP&3]); sqlite3_fprintf(p->out, "%12.12s: %s\n","explain", p->mode==MODE_Explain ? "on" : p->autoExplain ? "auto" : "off"); sqlite3_fprintf(p->out, "%12.12s: %s\n","headers", azBool[p->showHeader!=0]); if( p->mode==MODE_Column || (p->mode>=MODE_Markdown && p->mode<=MODE_Box) ){ sqlite3_fprintf(p->out, "%12.12s: %s --wrap %d --wordwrap %s --%squote\n", "mode", modeDescr[p->mode], p->cmOpts.iWrap, p->cmOpts.bWordWrap ? "on" : "off", p->cmOpts.bQuote ? "" : "no"); }else{ sqlite3_fprintf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]); } sqlite3_fprintf(p->out, "%12.12s: ", "nullvalue"); output_c_string(p->out, p->nullValue); sqlite3_fputs("\n", p->out); sqlite3_fprintf(p->out, "%12.12s: %s\n","output", strlen30(p->outfile) ? p->outfile : "stdout"); sqlite3_fprintf(p->out, "%12.12s: ", "colseparator"); output_c_string(p->out, p->colSeparator); sqlite3_fputs("\n", p->out); sqlite3_fprintf(p->out, "%12.12s: ", "rowseparator"); output_c_string(p->out, p->rowSeparator); sqlite3_fputs("\n", p->out); switch( p->statsOn ){ case 0: zOut = "off"; break; default: zOut = "on"; break; case 2: zOut = "stmt"; break; case 3: zOut = "vmstep"; break; } sqlite3_fprintf(p->out, "%12.12s: %s\n","stats", zOut); sqlite3_fprintf(p->out, "%12.12s: ", "width"); for (i=0;i<p->nWidth;i++) { sqlite3_fprintf(p->out, "%d ", p->colWidth[i]); } sqlite3_fputs("\n", p->out); sqlite3_fprintf(p->out, "%12.12s: %s\n", "filename", p->pAuxDb->zDbFilename ? p->pAuxDb->zDbFilename : ""); }else if( c=='s' && cli_strncmp(azArg[0], "stats", n)==0 ){ if( nArg==2 ){ if( cli_strcmp(azArg[1],"stmt")==0 ){ p->statsOn = 2; }else if( cli_strcmp(azArg[1],"vmstep")==0 ){ p->statsOn = 3; }else{ p->statsOn = (u8)booleanValue(azArg[1]); } }else if( nArg==1 ){ display_stats(p->db, p, 0); }else{ eputz("Usage: .stats ?on|off|stmt|vmstep?\n"); rc = 1; } }else if( (c=='t' && n>1 && cli_strncmp(azArg[0], "tables", n)==0) || (c=='i' && (cli_strncmp(azArg[0], "indices", n)==0 || cli_strncmp(azArg[0], "indexes", n)==0) ) ){ sqlite3_stmt *pStmt; char **azResult; int nRow, nAlloc; int ii; ShellText s; initText(&s); open_db(p, 0); rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0); if( rc ){ sqlite3_finalize(pStmt); return shellDatabaseError(p->db); } if( nArg>2 && c=='i' ){ /* It is an historical accident that the .indexes command shows an error ** when called with the wrong number of arguments whereas the .tables ** command does not. */ eputz("Usage: .indexes ?LIKE-PATTERN?\n"); rc = 1; sqlite3_finalize(pStmt); goto meta_command_exit; } for(ii=0; sqlite3_step(pStmt)==SQLITE_ROW; ii++){ const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1); if( zDbName==0 ) continue; if( s.zTxt && s.zTxt[0] ) appendText(&s, " UNION ALL ", 0); if( sqlite3_stricmp(zDbName, "main")==0 ){ appendText(&s, "SELECT name FROM ", 0); }else{ appendText(&s, "SELECT ", 0); appendText(&s, zDbName, '\''); appendText(&s, "||'.'||name FROM ", 0); } appendText(&s, zDbName, '"'); appendText(&s, ".sqlite_schema ", 0); if( c=='t' ){ appendText(&s," WHERE type IN ('table','view')" " AND name NOT LIKE 'sqlite__%' ESCAPE '_'" " AND name LIKE ?1", 0); }else{ appendText(&s," WHERE type='index'" " AND tbl_name LIKE ?1", 0); } } rc = sqlite3_finalize(pStmt); if( rc==SQLITE_OK ){ appendText(&s, " ORDER BY 1", 0); rc = sqlite3_prepare_v2(p->db, s.zTxt, -1, &pStmt, 0); } freeText(&s); if( rc ) return shellDatabaseError(p->db); /* Run the SQL statement prepared by the above block. Store the results ** as an array of nul-terminated strings in azResult[]. */ nRow = nAlloc = 0; azResult = 0; if( nArg>1 ){ sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT); }else{ sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC); } while( sqlite3_step(pStmt)==SQLITE_ROW ){ if( nRow>=nAlloc ){ char **azNew; sqlite3_int64 n2 = 2*(sqlite3_int64)nAlloc + 10; azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2); shell_check_oom(azNew); nAlloc = (int)n2; azResult = azNew; } azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0)); shell_check_oom(azResult[nRow]); nRow++; } if( sqlite3_finalize(pStmt)!=SQLITE_OK ){ rc = shellDatabaseError(p->db); } /* Pretty-print the contents of array azResult[] to the output */ if( rc==0 && nRow>0 ){ int len, maxlen = 0; int i, j; int nPrintCol, nPrintRow; for(i=0; i<nRow; i++){ len = strlen30(azResult[i]); if( len>maxlen ) maxlen = len; } nPrintCol = 80/(maxlen+2); if( nPrintCol<1 ) nPrintCol = 1; nPrintRow = (nRow + nPrintCol - 1)/nPrintCol; for(i=0; i<nPrintRow; i++){ for(j=i; j<nRow; j+=nPrintRow){ char *zSp = j<nPrintRow ? "" : " "; sqlite3_fprintf(p->out, "%s%-*s", zSp, maxlen, azResult[j] ? azResult[j]:""); } sqlite3_fputs("\n", p->out); } } for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]); sqlite3_free(azResult); }else #ifndef SQLITE_SHELL_FIDDLE /* Begin redirecting output to the file "testcase-out.txt" */ if( c=='t' && cli_strcmp(azArg[0],"testcase")==0 ){ output_reset(p); p->out = output_file_open("testcase-out.txt"); if( p->out==0 ){ eputz("Error: cannot open 'testcase-out.txt'\n"); } if( nArg>=2 ){ sqlite3_snprintf(sizeof(p->zTestcase), p->zTestcase, "%s", azArg[1]); }else{ sqlite3_snprintf(sizeof(p->zTestcase), p->zTestcase, "?"); } }else #endif /* !defined(SQLITE_SHELL_FIDDLE) */ #ifndef SQLITE_UNTESTABLE if( c=='t' && n>=8 && cli_strncmp(azArg[0], "testctrl", n)==0 ){ static const struct { const char *zCtrlName; /* Name of a test-control option */ int ctrlCode; /* Integer code for that option */ int unSafe; /* Not valid unless --unsafe-testing */ const char *zUsage; /* Usage notes */ } aCtrl[] = { {"always", SQLITE_TESTCTRL_ALWAYS, 1, "BOOLEAN" }, {"assert", SQLITE_TESTCTRL_ASSERT, 1, "BOOLEAN" }, /*{"benign_malloc_hooks",SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS,1, "" },*/ {"bitvec_test", SQLITE_TESTCTRL_BITVEC_TEST, 1, "SIZE INT-ARRAY"}, {"byteorder", SQLITE_TESTCTRL_BYTEORDER, 0, "" }, {"extra_schema_checks",SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS,0,"BOOLEAN" }, {"fault_install", SQLITE_TESTCTRL_FAULT_INSTALL, 1,"args..." }, {"fk_no_action", SQLITE_TESTCTRL_FK_NO_ACTION, 0, "BOOLEAN" }, {"imposter", SQLITE_TESTCTRL_IMPOSTER,1,"SCHEMA ON/OFF ROOTPAGE"}, {"internal_functions", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS,0,"" }, {"json_selfcheck", SQLITE_TESTCTRL_JSON_SELFCHECK ,0,"BOOLEAN" }, {"localtime_fault", SQLITE_TESTCTRL_LOCALTIME_FAULT,0,"BOOLEAN" }, {"never_corrupt", SQLITE_TESTCTRL_NEVER_CORRUPT,1, "BOOLEAN" }, {"optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS,0,"DISABLE-MASK ..."}, #ifdef YYCOVERAGE {"parser_coverage", SQLITE_TESTCTRL_PARSER_COVERAGE,0,"" }, #endif {"pending_byte", SQLITE_TESTCTRL_PENDING_BYTE,1, "OFFSET " }, {"prng_restore", SQLITE_TESTCTRL_PRNG_RESTORE,0, "" }, {"prng_save", SQLITE_TESTCTRL_PRNG_SAVE, 0, "" }, {"prng_seed", SQLITE_TESTCTRL_PRNG_SEED, 0, "SEED ?db?" }, {"seek_count", SQLITE_TESTCTRL_SEEK_COUNT, 0, "" }, {"sorter_mmap", SQLITE_TESTCTRL_SORTER_MMAP, 0, "NMAX" }, {"tune", SQLITE_TESTCTRL_TUNE, 1, "ID VALUE" }, }; int testctrl = -1; int iCtrl = -1; int rc2 = 0; /* 0: usage. 1: %d 2: %x 3: no-output */ int isOk = 0; int i, n2; const char *zCmd = 0; open_db(p, 0); zCmd = nArg>=2 ? azArg[1] : "help"; /* The argument can optionally begin with "-" or "--" */ if( zCmd[0]=='-' && zCmd[1] ){ zCmd++; if( zCmd[0]=='-' && zCmd[1] ) zCmd++; } /* --help lists all test-controls */ if( cli_strcmp(zCmd,"help")==0 ){ sqlite3_fputs("Available test-controls:\n", p->out); for(i=0; i<ArraySize(aCtrl); i++){ if( aCtrl[i].unSafe && !ShellHasFlag(p,SHFLG_TestingMode) ) continue; sqlite3_fprintf(p->out, " .testctrl %s %s\n", aCtrl[i].zCtrlName, aCtrl[i].zUsage); } rc = 1; goto meta_command_exit; } /* convert testctrl text option to value. allow any unique prefix ** of the option name, or a numerical value. */ n2 = strlen30(zCmd); for(i=0; i<ArraySize(aCtrl); i++){ if( aCtrl[i].unSafe && !ShellHasFlag(p,SHFLG_TestingMode) ) continue; if( cli_strncmp(zCmd, aCtrl[i].zCtrlName, n2)==0 ){ if( testctrl<0 ){ testctrl = aCtrl[i].ctrlCode; iCtrl = i; }else{ sqlite3_fprintf(stderr,"Error: ambiguous test-control: \"%s\"\n" "Use \".testctrl --help\" for help\n", zCmd); rc = 1; goto meta_command_exit; } } } if( testctrl<0 ){ sqlite3_fprintf(stderr,"Error: unknown test-control: %s\n" "Use \".testctrl --help\" for help\n", zCmd); }else{ switch(testctrl){ /* Special processing for .testctrl opt MASK ... ** Each MASK argument can be one of: ** ** +LABEL Enable the named optimization ** ** -LABEL Disable the named optimization ** ** INTEGER Mask of optimizations to disable */ case SQLITE_TESTCTRL_OPTIMIZATIONS: { static const struct { unsigned int mask; /* Mask for this optimization */ unsigned int bDsply; /* Display this on output */ const char *zLabel; /* Name of optimization */ } aLabel[] = { { 0x00000001, 1, "QueryFlattener" }, { 0x00000001, 0, "Flatten" }, { 0x00000002, 1, "WindowFunc" }, { 0x00000004, 1, "GroupByOrder" }, { 0x00000008, 1, "FactorOutConst" }, { 0x00000010, 1, "DistinctOpt" }, { 0x00000020, 1, "CoverIdxScan" }, { 0x00000040, 1, "OrderByIdxJoin" }, { 0x00000080, 1, "Transitive" }, { 0x00000100, 1, "OmitNoopJoin" }, { 0x00000200, 1, "CountOfView" }, { 0x00000400, 1, "CursorHints" }, { 0x00000800, 1, "Stat4" }, { 0x00001000, 1, "PushDown" }, { 0x00002000, 1, "SimplifyJoin" }, { 0x00004000, 1, "SkipScan" }, { 0x00008000, 1, "PropagateConst" }, { 0x00010000, 1, "MinMaxOpt" }, { 0x00020000, 1, "SeekScan" }, { 0x00040000, 1, "OmitOrderBy" }, { 0x00080000, 1, "BloomFilter" }, { 0x00100000, 1, "BloomPulldown" }, { 0x00200000, 1, "BalancedMerge" }, { 0x00400000, 1, "ReleaseReg" }, { 0x00800000, 1, "FlttnUnionAll" }, { 0x01000000, 1, "IndexedEXpr" }, { 0x02000000, 1, "Coroutines" }, { 0x04000000, 1, "NullUnusedCols" }, { 0x08000000, 1, "OnePass" }, { 0x10000000, 1, "OrderBySubq" }, { 0x20000000, 1, "StarQuery" }, { 0x40000000, 1, "ExistsToJoin" }, { 0xffffffff, 0, "All" }, }; unsigned int curOpt; unsigned int newOpt; unsigned int m; int ii; int nOff; sqlite3_test_control(SQLITE_TESTCTRL_GETOPT, p->db, &curOpt); newOpt = curOpt; for(ii=2; ii<nArg; ii++){ const char *z = azArg[ii]; int useLabel = 0; const char *zLabel = 0; if( (z[0]=='+'|| z[0]=='-') && !IsDigit(z[1]) ){ useLabel = z[0]; zLabel = &z[1]; }else if( !IsDigit(z[0]) && z[0]!=0 && !IsDigit(z[1]) ){ useLabel = '+'; zLabel = z; }else{ newOpt = (unsigned int)strtol(z,0,0); } if( useLabel ){ int jj; for(jj=0; jj<ArraySize(aLabel); jj++){ if( sqlite3_stricmp(zLabel, aLabel[jj].zLabel)==0 ) break; } if( jj>=ArraySize(aLabel) ){ sqlite3_fprintf(stderr, "Error: no such optimization: \"%s\"\n", zLabel); sqlite3_fputs("Should be one of:", stderr); for(jj=0; jj<ArraySize(aLabel); jj++){ sqlite3_fprintf(stderr," %s", aLabel[jj].zLabel); } sqlite3_fputs("\n", stderr); rc = 1; goto meta_command_exit; } if( useLabel=='+' ){ newOpt &= ~aLabel[jj].mask; }else{ newOpt |= aLabel[jj].mask; } } } if( curOpt!=newOpt ){ sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,p->db,newOpt); } for(ii=nOff=0, m=1; ii<32; ii++, m <<= 1){ if( m & newOpt ) nOff++; } if( nOff<12 ){ sqlite3_fputs("+All", p->out); for(ii=0; ii<ArraySize(aLabel); ii++){ if( !aLabel[ii].bDsply ) continue; if( (newOpt & aLabel[ii].mask)!=0 ){ sqlite3_fprintf(p->out, " -%s", aLabel[ii].zLabel); } } }else{ sqlite3_fputs("-All", p->out); for(ii=0; ii<ArraySize(aLabel); ii++){ if( !aLabel[ii].bDsply ) continue; if( (newOpt & aLabel[ii].mask)==0 ){ sqlite3_fprintf(p->out, " +%s", aLabel[ii].zLabel); } } } sqlite3_fputs("\n", p->out); rc2 = isOk = 3; break; } /* sqlite3_test_control(int, db, int) */ case SQLITE_TESTCTRL_FK_NO_ACTION: if( nArg==3 ){ unsigned int opt = (unsigned int)strtol(azArg[2], 0, 0); rc2 = sqlite3_test_control(testctrl, p->db, opt); isOk = 3; } break; /* sqlite3_test_control(int) */ case SQLITE_TESTCTRL_PRNG_SAVE: case SQLITE_TESTCTRL_PRNG_RESTORE: case SQLITE_TESTCTRL_BYTEORDER: if( nArg==2 ){ rc2 = sqlite3_test_control(testctrl); isOk = testctrl==SQLITE_TESTCTRL_BYTEORDER ? 1 : 3; } break; /* sqlite3_test_control(int, uint) */ case SQLITE_TESTCTRL_PENDING_BYTE: if( nArg==3 ){ unsigned int opt = (unsigned int)integerValue(azArg[2]); rc2 = sqlite3_test_control(testctrl, opt); isOk = 3; } break; /* sqlite3_test_control(int, int, sqlite3*) */ case SQLITE_TESTCTRL_PRNG_SEED: if( nArg==3 || nArg==4 ){ int ii = (int)integerValue(azArg[2]); sqlite3 *db; if( ii==0 && cli_strcmp(azArg[2],"random")==0 ){ sqlite3_randomness(sizeof(ii),&ii); sqlite3_fprintf(stdout, "-- random seed: %d\n", ii); } if( nArg==3 ){ db = 0; }else{ db = p->db; /* Make sure the schema has been loaded */ sqlite3_table_column_metadata(db, 0, "x", 0, 0, 0, 0, 0, 0); } rc2 = sqlite3_test_control(testctrl, ii, db); isOk = 3; } break; /* sqlite3_test_control(int, int) */ case SQLITE_TESTCTRL_ASSERT: case SQLITE_TESTCTRL_ALWAYS: if( nArg==3 ){ int opt = booleanValue(azArg[2]); rc2 = sqlite3_test_control(testctrl, opt); isOk = 1; } break; /* sqlite3_test_control(int, int) */ case SQLITE_TESTCTRL_LOCALTIME_FAULT: case SQLITE_TESTCTRL_NEVER_CORRUPT: if( nArg==3 ){ int opt = booleanValue(azArg[2]); rc2 = sqlite3_test_control(testctrl, opt); isOk = 3; } break; /* sqlite3_test_control(sqlite3*) */ case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS: rc2 = sqlite3_test_control(testctrl, p->db); isOk = 3; break; case SQLITE_TESTCTRL_IMPOSTER: if( nArg==5 ){ rc2 = sqlite3_test_control(testctrl, p->db, azArg[2], integerValue(azArg[3]), integerValue(azArg[4])); isOk = 3; } break; case SQLITE_TESTCTRL_SEEK_COUNT: { u64 x = 0; rc2 = sqlite3_test_control(testctrl, p->db, &x); sqlite3_fprintf(p->out, "%llu\n", x); isOk = 3; break; } #ifdef YYCOVERAGE case SQLITE_TESTCTRL_PARSER_COVERAGE: { if( nArg==2 ){ sqlite3_test_control(testctrl, p->out); isOk = 3; } break; } #endif #ifdef SQLITE_DEBUG case SQLITE_TESTCTRL_TUNE: { if( nArg==4 ){ int id = (int)integerValue(azArg[2]); int val = (int)integerValue(azArg[3]); sqlite3_test_control(testctrl, id, &val); isOk = 3; }else if( nArg==3 ){ int id = (int)integerValue(azArg[2]); sqlite3_test_control(testctrl, -id, &rc2); isOk = 1; }else if( nArg==2 ){ int id = 1; while(1){ int val = 0; rc2 = sqlite3_test_control(testctrl, -id, &val); if( rc2!=SQLITE_OK ) break; if( id>1 ) sqlite3_fputs(" ", p->out); sqlite3_fprintf(p->out, "%d: %d", id, val); id++; } if( id>1 ) sqlite3_fputs("\n", p->out); isOk = 3; } break; } #endif case SQLITE_TESTCTRL_SORTER_MMAP: if( nArg==3 ){ int opt = (unsigned int)integerValue(azArg[2]); rc2 = sqlite3_test_control(testctrl, p->db, opt); isOk = 3; } break; case SQLITE_TESTCTRL_JSON_SELFCHECK: if( nArg==2 ){ rc2 = -1; isOk = 1; }else{ rc2 = booleanValue(azArg[2]); isOk = 3; } sqlite3_test_control(testctrl, &rc2); break; case SQLITE_TESTCTRL_BITVEC_TEST: { /* Examples: ** .testctrl bitvec_test 100 6,1 -- Show BITVEC constants ** .testctrl bitvec_test 1000 1,12,7,3 -- Simple test ** ---- -------- ** size of Bitvec -----^ ^--- aOp array. 0 added at end. ** ** See comments on sqlite3BitvecBuiltinTest() for more information ** about the aOp[] array. */ int iSize; const char *zTestArg; int nOp; int ii, jj, x; int *aOp; if( nArg!=4 ){ sqlite3_fprintf(stderr, "ERROR - should be: \".testctrl bitvec_test SIZE INT-ARRAY\"\n" ); rc = 1; goto meta_command_exit; } isOk = 3; iSize = (int)integerValue(azArg[2]); zTestArg = azArg[3]; nOp = (int)strlen(zTestArg)+1; aOp = malloc( sizeof(int)*(nOp+1) ); shell_check_oom(aOp); memset(aOp, 0, sizeof(int)*(nOp+1) ); for(ii = jj = x = 0; zTestArg[ii]!=0; ii++){ if( IsDigit(zTestArg[ii]) ){ x = x*10 + zTestArg[ii] - '0'; }else{ aOp[jj++] = x; x = 0; } } aOp[jj] = x; x = sqlite3_test_control(testctrl, iSize, aOp); sqlite3_fprintf(p->out, "result: %d\n", x); free(aOp); break; } case SQLITE_TESTCTRL_FAULT_INSTALL: { int kk; int bShowHelp = nArg<=2; isOk = 3; for(kk=2; kk<nArg; kk++){ const char *z = azArg[kk]; if( z[0]=='-' && z[1]=='-' ) z++; if( cli_strcmp(z,"off")==0 ){ sqlite3_test_control(testctrl, 0); }else if( cli_strcmp(z,"on")==0 ){ faultsim_state.iCnt = faultsim_state.nSkip; if( faultsim_state.iErr==0 ) faultsim_state.iErr = 1; faultsim_state.nHit = 0; sqlite3_test_control(testctrl, faultsim_callback); }else if( cli_strcmp(z,"reset")==0 ){ faultsim_state.iCnt = faultsim_state.nSkip; faultsim_state.nHit = 0; sqlite3_test_control(testctrl, faultsim_callback); }else if( cli_strcmp(z,"status")==0 ){ sqlite3_fprintf(p->out, "faultsim.iId: %d\n", faultsim_state.iId); sqlite3_fprintf(p->out, "faultsim.iErr: %d\n", faultsim_state.iErr); sqlite3_fprintf(p->out, "faultsim.iCnt: %d\n", faultsim_state.iCnt); sqlite3_fprintf(p->out, "faultsim.nHit: %d\n", faultsim_state.nHit); sqlite3_fprintf(p->out, "faultsim.iInterval: %d\n", faultsim_state.iInterval); sqlite3_fprintf(p->out, "faultsim.eVerbose: %d\n", faultsim_state.eVerbose); sqlite3_fprintf(p->out, "faultsim.nRepeat: %d\n", faultsim_state.nRepeat); sqlite3_fprintf(p->out, "faultsim.nSkip: %d\n", faultsim_state.nSkip); }else if( cli_strcmp(z,"-v")==0 ){ if( faultsim_state.eVerbose<2 ) faultsim_state.eVerbose++; }else if( cli_strcmp(z,"-q")==0 ){ if( faultsim_state.eVerbose>0 ) faultsim_state.eVerbose--; }else if( cli_strcmp(z,"-id")==0 && kk+1<nArg ){ faultsim_state.iId = atoi(azArg[++kk]); }else if( cli_strcmp(z,"-errcode")==0 && kk+1<nArg ){ faultsim_state.iErr = atoi(azArg[++kk]); }else if( cli_strcmp(z,"-interval")==0 && kk+1<nArg ){ faultsim_state.iInterval = atoi(azArg[++kk]); }else if( cli_strcmp(z,"-repeat")==0 && kk+1<nArg ){ faultsim_state.nRepeat = atoi(azArg[++kk]); }else if( cli_strcmp(z,"-skip")==0 && kk+1<nArg ){ faultsim_state.nSkip = atoi(azArg[++kk]); }else if( cli_strcmp(z,"-?")==0 || sqlite3_strglob("*help*",z)==0){ bShowHelp = 1; }else{ sqlite3_fprintf(stderr, "Unrecognized fault_install argument: \"%s\"\n", azArg[kk]); rc = 1; bShowHelp = 1; break; } } if( bShowHelp ){ sqlite3_fputs( "Usage: .testctrl fault_install ARGS\n" "Possible arguments:\n" " off Disable faultsim\n" " on Activate faultsim\n" " reset Reset the trigger counter\n" " status Show current status\n" " -v Increase verbosity\n" " -q Decrease verbosity\n" " --errcode N When triggered, return N as error code\n" " --id ID Trigger only for the ID specified\n" " --interval N Trigger only after every N-th call\n" " --repeat N Turn off after N hits. 0 means never\n" " --skip N Skip the first N encounters\n" ,p->out ); } break; } } } if( isOk==0 && iCtrl>=0 ){ sqlite3_fprintf(p->out, "Usage: .testctrl %s %s\n", zCmd,aCtrl[iCtrl].zUsage); rc = 1; }else if( isOk==1 ){ sqlite3_fprintf(p->out, "%d\n", rc2); }else if( isOk==2 ){ sqlite3_fprintf(p->out, "0x%08x\n", rc2); } }else #endif /* !defined(SQLITE_UNTESTABLE) */ if( c=='t' && n>4 && cli_strncmp(azArg[0], "timeout", n)==0 ){ open_db(p, 0); sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0); }else if( c=='t' && n>=5 && cli_strncmp(azArg[0], "timer", n)==0 ){ if( nArg==2 ){ enableTimer = booleanValue(azArg[1]); if( enableTimer && !HAS_TIMER ){ eputz("Error: timer not available on this system.\n"); enableTimer = 0; } }else{ eputz("Usage: .timer on|off\n"); rc = 1; } }else #ifndef SQLITE_OMIT_TRACE if( c=='t' && cli_strncmp(azArg[0], "trace", n)==0 ){ int mType = 0; int jj; open_db(p, 0); for(jj=1; jj<nArg; jj++){ const char *z = azArg[jj]; if( z[0]=='-' ){ if( optionMatch(z, "expanded") ){ p->eTraceType = SHELL_TRACE_EXPANDED; } #ifdef SQLITE_ENABLE_NORMALIZE else if( optionMatch(z, "normalized") ){ p->eTraceType = SHELL_TRACE_NORMALIZED; } #endif else if( optionMatch(z, "plain") ){ p->eTraceType = SHELL_TRACE_PLAIN; } else if( optionMatch(z, "profile") ){ mType |= SQLITE_TRACE_PROFILE; } else if( optionMatch(z, "row") ){ mType |= SQLITE_TRACE_ROW; } else if( optionMatch(z, "stmt") ){ mType |= SQLITE_TRACE_STMT; } else if( optionMatch(z, "close") ){ mType |= SQLITE_TRACE_CLOSE; } else { sqlite3_fprintf(stderr,"Unknown option \"%s\" on \".trace\"\n", z); rc = 1; goto meta_command_exit; } }else{ output_file_close(p->traceOut); p->traceOut = output_file_open(z); } } if( p->traceOut==0 ){ sqlite3_trace_v2(p->db, 0, 0, 0); }else{ if( mType==0 ) mType = SQLITE_TRACE_STMT; sqlite3_trace_v2(p->db, mType, sql_trace_callback, p); } }else #endif /* !defined(SQLITE_OMIT_TRACE) */ #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_VIRTUALTABLE) if( c=='u' && cli_strncmp(azArg[0], "unmodule", n)==0 ){ int ii; int lenOpt; char *zOpt; if( nArg<2 ){ eputz("Usage: .unmodule [--allexcept] NAME ...\n"); rc = 1; goto meta_command_exit; } open_db(p, 0); zOpt = azArg[1]; if( zOpt[0]=='-' && zOpt[1]=='-' && zOpt[2]!=0 ) zOpt++; lenOpt = (int)strlen(zOpt); if( lenOpt>=3 && cli_strncmp(zOpt, "-allexcept",lenOpt)==0 ){ assert( azArg[nArg]==0 ); sqlite3_drop_modules(p->db, nArg>2 ? (const char**)(azArg+2) : 0); }else{ for(ii=1; ii<nArg; ii++){ sqlite3_create_module(p->db, azArg[ii], 0, 0); } } }else #endif if( c=='v' && cli_strncmp(azArg[0], "version", n)==0 ){ char *zPtrSz = sizeof(void*)==8 ? "64-bit" : "32-bit"; sqlite3_fprintf(p->out, "SQLite %s %s\n" /*extra-version-info*/, sqlite3_libversion(), sqlite3_sourceid()); #if SQLITE_HAVE_ZLIB sqlite3_fprintf(p->out, "zlib version %s\n", zlibVersion()); #endif #define CTIMEOPT_VAL_(opt) #opt #define CTIMEOPT_VAL(opt) CTIMEOPT_VAL_(opt) #if defined(__clang__) && defined(__clang_major__) sqlite3_fprintf(p->out, "clang-" CTIMEOPT_VAL(__clang_major__) "." CTIMEOPT_VAL(__clang_minor__) "." CTIMEOPT_VAL(__clang_patchlevel__) " (%s)\n", zPtrSz); #elif defined(_MSC_VER) sqlite3_fprintf(p->out, "msvc-" CTIMEOPT_VAL(_MSC_VER) " (%s)\n", zPtrSz); #elif defined(__GNUC__) && defined(__VERSION__) sqlite3_fprintf(p->out, "gcc-" __VERSION__ " (%s)\n", zPtrSz); #endif }else if( c=='v' && cli_strncmp(azArg[0], "vfsinfo", n)==0 ){ const char *zDbName = nArg==2 ? azArg[1] : "main"; sqlite3_vfs *pVfs = 0; if( p->db ){ sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFS_POINTER, &pVfs); if( pVfs ){ sqlite3_fprintf(p->out, "vfs.zName = \"%s\"\n", pVfs->zName); sqlite3_fprintf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion); sqlite3_fprintf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile); sqlite3_fprintf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname); } } }else if( c=='v' && cli_strncmp(azArg[0], "vfslist", n)==0 ){ sqlite3_vfs *pVfs; sqlite3_vfs *pCurrent = 0; if( p->db ){ sqlite3_file_control(p->db, "main", SQLITE_FCNTL_VFS_POINTER, &pCurrent); } for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){ sqlite3_fprintf(p->out, "vfs.zName = \"%s\"%s\n", pVfs->zName, pVfs==pCurrent ? " <--- CURRENT" : ""); sqlite3_fprintf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion); sqlite3_fprintf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile); sqlite3_fprintf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname); if( pVfs->pNext ){ sqlite3_fputs("-----------------------------------\n", p->out); } } }else if( c=='v' && cli_strncmp(azArg[0], "vfsname", n)==0 ){ const char *zDbName = nArg==2 ? azArg[1] : "main"; char *zVfsName = 0; if( p->db ){ sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName); if( zVfsName ){ sqlite3_fprintf(p->out, "%s\n", zVfsName); sqlite3_free(zVfsName); } } }else if( c=='w' && cli_strncmp(azArg[0], "wheretrace", n)==0 ){ unsigned int x = nArg>=2? (unsigned int)integerValue(azArg[1]) : 0xffffffff; sqlite3_test_control(SQLITE_TESTCTRL_TRACEFLAGS, 3, &x); }else if( c=='w' && cli_strncmp(azArg[0], "width", n)==0 ){ int j; assert( nArg<=ArraySize(azArg) ); p->nWidth = nArg-1; p->colWidth = realloc(p->colWidth, (p->nWidth+1)*sizeof(int)*2); if( p->colWidth==0 && p->nWidth>0 ) shell_out_of_memory(); if( p->nWidth ) p->actualWidth = &p->colWidth[p->nWidth]; for(j=1; j<nArg; j++){ i64 w = integerValue(azArg[j]); if( w < -30000 ) w = -30000; if( w > +30000 ) w = +30000; p->colWidth[j-1] = (int)w; } }else { sqlite3_fprintf(stderr,"Error: unknown command or invalid arguments: " " \"%s\". Enter \".help\" for help\n", azArg[0]); rc = 1; } meta_command_exit: if( p->outCount ){ p->outCount--; if( p->outCount==0 ) output_reset(p); } p->bSafeMode = p->bSafeModePersist; return rc; } /* Line scan result and intermediate states (supporting scan resumption) */ #ifndef CHAR_BIT # define CHAR_BIT 8 #endif typedef enum { QSS_HasDark = 1<<CHAR_BIT, QSS_EndingSemi = 2<<CHAR_BIT, QSS_CharMask = (1<<CHAR_BIT)-1, QSS_ScanMask = 3<<CHAR_BIT, QSS_Start = 0 } QuickScanState; #define QSS_SETV(qss, newst) ((newst) | ((qss) & QSS_ScanMask)) #define QSS_INPLAIN(qss) (((qss)&QSS_CharMask)==QSS_Start) #define QSS_PLAINWHITE(qss) (((qss)&~QSS_EndingSemi)==QSS_Start) #define QSS_PLAINDARK(qss) (((qss)&~QSS_EndingSemi)==QSS_HasDark) #define QSS_SEMITERM(qss) (((qss)&~QSS_HasDark)==QSS_EndingSemi) /* ** Scan line for classification to guide shell's handling. ** The scan is resumable for subsequent lines when prior ** return values are passed as the 2nd argument. */ static QuickScanState quickscan(char *zLine, QuickScanState qss, SCAN_TRACKER_REFTYPE pst){ char cin; char cWait = (char)qss; /* intentional narrowing loss */ if( cWait==0 ){ PlainScan: while( (cin = *zLine++)!=0 ){ if( IsSpace(cin) ) continue; switch (cin){ case '-': if( *zLine!='-' ) break; while((cin = *++zLine)!=0 ) if( cin=='\n') goto PlainScan; return qss; case ';': qss |= QSS_EndingSemi; continue; case '/': if( *zLine=='*' ){ ++zLine; cWait = '*'; CONTINUE_PROMPT_AWAITS(pst, "/*"); qss = QSS_SETV(qss, cWait); goto TermScan; } break; case '[': cin = ']'; deliberate_fall_through; /* FALLTHRU */ case '`': case '\'': case '"': cWait = cin; qss = QSS_HasDark | cWait; CONTINUE_PROMPT_AWAITC(pst, cin); goto TermScan; case '(': CONTINUE_PAREN_INCR(pst, 1); break; case ')': CONTINUE_PAREN_INCR(pst, -1); break; default: break; } qss = (qss & ~QSS_EndingSemi) | QSS_HasDark; } }else{ TermScan: while( (cin = *zLine++)!=0 ){ if( cin==cWait ){ switch( cWait ){ case '*': if( *zLine != '/' ) continue; ++zLine; CONTINUE_PROMPT_AWAITC(pst, 0); qss = QSS_SETV(qss, 0); goto PlainScan; case '`': case '\'': case '"': if(*zLine==cWait){ /* Swallow doubled end-delimiter.*/ ++zLine; continue; } deliberate_fall_through; /* FALLTHRU */ case ']': CONTINUE_PROMPT_AWAITC(pst, 0); qss = QSS_SETV(qss, 0); goto PlainScan; default: assert(0); } } } } return qss; } /* ** Return TRUE if the line typed in is an SQL command terminator other ** than a semi-colon. The SQL Server style "go" command is understood ** as is the Oracle "/". */ static int line_is_command_terminator(char *zLine){ while( IsSpace(zLine[0]) ){ zLine++; }; if( zLine[0]=='/' ) zLine += 1; /* Oracle */ else if ( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o' ) zLine += 2; /* SQL Server */ else return 0; return quickscan(zLine, QSS_Start, 0)==QSS_Start; } /* ** The CLI needs a working sqlite3_complete() to work properly. So error ** out of the build if compiling with SQLITE_OMIT_COMPLETE. */ #ifdef SQLITE_OMIT_COMPLETE # error the CLI application is incompatible with SQLITE_OMIT_COMPLETE. #endif /* ** Return true if zSql is a complete SQL statement. Return false if it ** ends in the middle of a string literal or C-style comment. */ static int line_is_complete(char *zSql, int nSql){ int rc; if( zSql==0 ) return 1; zSql[nSql] = ';'; zSql[nSql+1] = 0; rc = sqlite3_complete(zSql); zSql[nSql] = 0; return rc; } /* ** This function is called after processing each line of SQL in the ** runOneSqlLine() function. Its purpose is to detect scenarios where ** defensive mode should be automatically turned off. Specifically, when ** ** 1. The first line of input is "PRAGMA foreign_keys=OFF;", ** 2. The second line of input is "BEGIN TRANSACTION;", ** 3. The database is empty, and ** 4. The shell is not running in --safe mode. ** ** The implementation uses the ShellState.eRestoreState to maintain state: ** ** 0: Have not seen any SQL. ** 1: Have seen "PRAGMA foreign_keys=OFF;". ** 2-6: Currently running .dump transaction. If the "2" bit is set, ** disable DEFENSIVE when done. If "4" is set, disable DQS_DDL. ** 7: Nothing left to do. This function becomes a no-op. */ static int doAutoDetectRestore(ShellState *p, const char *zSql){ int rc = SQLITE_OK; if( p->eRestoreState<7 ){ switch( p->eRestoreState ){ case 0: { const char *zExpect = "PRAGMA foreign_keys=OFF;"; assert( strlen(zExpect)==24 ); if( p->bSafeMode==0 && strlen(zSql)>=24 && memcmp(zSql, zExpect, 25)==0 ){ p->eRestoreState = 1; }else{ p->eRestoreState = 7; } break; }; case 1: { int bIsDump = 0; const char *zExpect = "BEGIN TRANSACTION;"; assert( strlen(zExpect)==18 ); if( memcmp(zSql, zExpect, 19)==0 ){ /* Now check if the database is empty. */ const char *zQuery = "SELECT 1 FROM sqlite_schema LIMIT 1"; sqlite3_stmt *pStmt = 0; bIsDump = 1; shellPrepare(p->db, &rc, zQuery, &pStmt); if( rc==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){ bIsDump = 0; } shellFinalize(&rc, pStmt); } if( bIsDump && rc==SQLITE_OK ){ int bDefense = 0; int bDqsDdl = 0; sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, -1, &bDefense); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DQS_DDL, -1, &bDqsDdl); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, 0, 0); sqlite3_db_config(p->db, SQLITE_DBCONFIG_DQS_DDL, 1, 0); p->eRestoreState = (bDefense ? 2 : 0) + (bDqsDdl ? 4 : 0); }else{ p->eRestoreState = 7; } break; } default: { if( sqlite3_get_autocommit(p->db) ){ if( (p->eRestoreState & 2) ){ sqlite3_db_config(p->db, SQLITE_DBCONFIG_DEFENSIVE, 1, 0); } if( (p->eRestoreState & 4) ){ sqlite3_db_config(p->db, SQLITE_DBCONFIG_DQS_DDL, 0, 0); } p->eRestoreState = 7; } break; } } } return rc; } /* ** Run a single line of SQL. Return the number of errors. */ static int runOneSqlLine(ShellState *p, char *zSql, FILE *in, int startline){ int rc; char *zErrMsg = 0; open_db(p, 0); if( ShellHasFlag(p,SHFLG_Backslash) ) resolve_backslashes(zSql); if( p->flgProgress & SHELL_PROGRESS_RESET ) p->nProgress = 0; BEGIN_TIMER; rc = shell_exec(p, zSql, &zErrMsg); END_TIMER(p->out); if( rc || zErrMsg ){ char zPrefix[100]; const char *zErrorTail; const char *zErrorType; if( zErrMsg==0 ){ zErrorType = "Error"; zErrorTail = sqlite3_errmsg(p->db); }else if( cli_strncmp(zErrMsg, "in prepare, ",12)==0 ){ zErrorType = "Parse error"; zErrorTail = &zErrMsg[12]; }else if( cli_strncmp(zErrMsg, "stepping, ", 10)==0 ){ zErrorType = "Runtime error"; zErrorTail = &zErrMsg[10]; }else{ zErrorType = "Error"; zErrorTail = zErrMsg; } if( in!=0 || !stdin_is_interactive ){ sqlite3_snprintf(sizeof(zPrefix), zPrefix, "%s near line %d:", zErrorType, startline); }else{ sqlite3_snprintf(sizeof(zPrefix), zPrefix, "%s:", zErrorType); } sqlite3_fprintf(stderr,"%s %s\n", zPrefix, zErrorTail); sqlite3_free(zErrMsg); zErrMsg = 0; return 1; }else if( ShellHasFlag(p, SHFLG_CountChanges) ){ char zLineBuf[2000]; sqlite3_snprintf(sizeof(zLineBuf), zLineBuf, "changes: %lld total_changes: %lld", sqlite3_changes64(p->db), sqlite3_total_changes64(p->db)); sqlite3_fprintf(p->out, "%s\n", zLineBuf); } if( doAutoDetectRestore(p, zSql) ) return 1; return 0; } static void echo_group_input(ShellState *p, const char *zDo){ if( ShellHasFlag(p, SHFLG_Echo) ){ sqlite3_fprintf(p->out, "%s\n", zDo); fflush(p->out); } } #ifdef SQLITE_SHELL_FIDDLE /* ** Alternate one_input_line() impl for wasm mode. This is not in the primary ** impl because we need the global shellState and cannot access it from that ** function without moving lots of code around (creating a larger/messier diff). */ static char *one_input_line(FILE *in, char *zPrior, int isContinuation){ /* Parse the next line from shellState.wasm.zInput. */ const char *zBegin = shellState.wasm.zPos; const char *z = zBegin; char *zLine = 0; i64 nZ = 0; UNUSED_PARAMETER(in); UNUSED_PARAMETER(isContinuation); if(!z || !*z){ return 0; } while(*z && IsSpace(*z)) ++z; zBegin = z; for(; *z && '\n'!=*z; ++nZ, ++z){} if(nZ>0 && '\r'==zBegin[nZ-1]){ --nZ; } shellState.wasm.zPos = z; zLine = realloc(zPrior, nZ+1); shell_check_oom(zLine); memcpy(zLine, zBegin, nZ); zLine[nZ] = 0; return zLine; } #endif /* SQLITE_SHELL_FIDDLE */ /* ** Read input from *in and process it. If *in==0 then input ** is interactive - the user is typing it it. Otherwise, input ** is coming from a file or device. A prompt is issued and history ** is saved only if input is interactive. An interrupt signal will ** cause this routine to exit immediately, unless input is interactive. ** ** Return the number of errors. */ static int process_input(ShellState *p, const char *zSrc){ char *zLine = 0; /* A single input line */ char *zSql = 0; /* Accumulated SQL text */ i64 nLine; /* Length of current line */ i64 nSql = 0; /* Bytes of zSql[] used */ i64 nAlloc = 0; /* Allocated zSql[] space */ int rc; /* Error code */ int errCnt = 0; /* Number of errors seen */ i64 startline = 0; /* Line number for start of current input */ QuickScanState qss = QSS_Start; /* Accumulated line status (so far) */ if( p->inputNesting==MAX_INPUT_NESTING ){ /* This will be more informative in a later version. */ sqlite3_fprintf(stderr,"%s: Input nesting limit (%d) reached at line %lld." " Check recursion.\n", zSrc, MAX_INPUT_NESTING, p->lineno); return 1; } ++p->inputNesting; p->lineno = 0; CONTINUE_PROMPT_RESET; while( errCnt==0 || !bail_on_error || (p->in==0 && stdin_is_interactive) ){ fflush(p->out); zLine = one_input_line(p->in, zLine, nSql>0); if( zLine==0 ){ /* End of input */ if( p->in==0 && stdin_is_interactive ) sqlite3_fputs("\n", p->out); break; } if( seenInterrupt ){ if( p->in!=0 ) break; seenInterrupt = 0; } p->lineno++; if( QSS_INPLAIN(qss) && line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){ memcpy(zLine,";",2); } qss = quickscan(zLine, qss, CONTINUE_PROMPT_PSTATE); if( QSS_PLAINWHITE(qss) && nSql==0 ){ /* Just swallow single-line whitespace */ echo_group_input(p, zLine); qss = QSS_Start; continue; } if( zLine && (zLine[0]=='.' || zLine[0]=='#') && nSql==0 ){ CONTINUE_PROMPT_RESET; echo_group_input(p, zLine); if( zLine[0]=='.' ){ rc = do_meta_command(zLine, p); if( rc==2 ){ /* exit requested */ break; }else if( rc ){ errCnt++; } } qss = QSS_Start; continue; } /* No single-line dispositions remain; accumulate line(s). */ nLine = strlen(zLine); if( nSql+nLine+2>=nAlloc ){ /* Grow buffer by half-again increments when big. */ nAlloc = nSql+(nSql>>1)+nLine+100; zSql = realloc(zSql, nAlloc); shell_check_oom(zSql); } if( nSql==0 ){ i64 i; for(i=0; zLine[i] && IsSpace(zLine[i]); i++){} assert( nAlloc>0 && zSql!=0 ); memcpy(zSql, zLine+i, nLine+1-i); startline = p->lineno; nSql = nLine-i; }else{ zSql[nSql++] = '\n'; memcpy(zSql+nSql, zLine, nLine+1); nSql += nLine; } if( nSql>0x7fff0000 ){ char zSize[100]; sqlite3_snprintf(sizeof(zSize),zSize,"%,lld",nSql); sqlite3_fprintf(stderr, "%s:%lld: Input SQL is too big: %s bytes\n", zSrc, startline, zSize); nSql = 0; errCnt++; break; }else if( nSql && QSS_SEMITERM(qss) && sqlite3_complete(zSql) ){ echo_group_input(p, zSql); errCnt += runOneSqlLine(p, zSql, p->in, startline); CONTINUE_PROMPT_RESET; nSql = 0; if( p->outCount ){ output_reset(p); p->outCount = 0; }else{ clearTempFile(p); } p->bSafeMode = p->bSafeModePersist; qss = QSS_Start; }else if( nSql && QSS_PLAINWHITE(qss) ){ echo_group_input(p, zSql); nSql = 0; qss = QSS_Start; } } if( nSql ){ /* This may be incomplete. Let the SQL parser deal with that. */ echo_group_input(p, zSql); errCnt += runOneSqlLine(p, zSql, p->in, startline); CONTINUE_PROMPT_RESET; } free(zSql); free(zLine); --p->inputNesting; return errCnt>0; } /* ** Return a pathname which is the user's home directory. A ** 0 return indicates an error of some kind. */ static char *find_home_dir(int clearFlag){ static char *home_dir = NULL; if( clearFlag ){ free(home_dir); home_dir = 0; return 0; } if( home_dir ) return home_dir; #if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \ && !defined(__RTP__) && !defined(_WRS_KERNEL) && !defined(SQLITE_WASI) { struct passwd *pwent; uid_t uid = getuid(); if( (pwent=getpwuid(uid)) != NULL) { home_dir = pwent->pw_dir; } } #endif #if defined(_WIN32_WCE) /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv() */ home_dir = "/"; #else #if defined(_WIN32) || defined(WIN32) if (!home_dir) { home_dir = getenv("USERPROFILE"); } #endif if (!home_dir) { home_dir = getenv("HOME"); } #if defined(_WIN32) || defined(WIN32) if (!home_dir) { char *zDrive, *zPath; int n; zDrive = getenv("HOMEDRIVE"); zPath = getenv("HOMEPATH"); if( zDrive && zPath ){ n = strlen30(zDrive) + strlen30(zPath) + 1; home_dir = malloc( n ); if( home_dir==0 ) return 0; sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath); return home_dir; } home_dir = "c:\\"; } #endif #endif /* !_WIN32_WCE */ if( home_dir ){ i64 n = strlen(home_dir) + 1; char *z = malloc( n ); if( z ) memcpy(z, home_dir, n); home_dir = z; } return home_dir; } /* ** On non-Windows platforms, look for: ** ** - ${zEnvVar}/${zBaseName} ** - ${HOME}/${zSubdir}/${zBaseName} ** ** $zEnvVar is intended to be the name of an XDG_... environment ** variable, e.g. XDG_CONFIG_HOME or XDG_STATE_HOME. If zEnvVar is ** NULL or getenv(zEnvVar) is NULL then fall back to the second ** option. If the selected option is not found in the filesystem, ** return 0. ** ** zSubdir may be NULL or empty, in which case ${HOME}/${zBaseName} ** becomes the fallback. ** ** Both zSubdir and zBaseName may contain subdirectory parts. zSubdir ** will conventionally be ".config" or ".local/state", which, not ** coincidentally, is the typical subdir of the corresponding XDG_... ** var with the XDG var's $HOME prefix. ** ** The returned string is obtained from sqlite3_malloc() and should be ** sqlite3_free()'d by the caller. */ static char *find_xdg_file(const char *zEnvVar, const char *zSubdir, const char *zBaseName){ #if defined(_WIN32) || defined(WIN32) || defined(_WIN32_WCE) \ || defined(__RTP__) || defined(_WRS_KERNEL) return 0; #else char *zConfigFile = 0; const char *zXdgDir; zXdgDir = zEnvVar ? getenv(zEnvVar) : 0; if( zXdgDir ){ zConfigFile = sqlite3_mprintf("%s/%s", zXdgDir, zBaseName); }else{ const char * zHome = find_home_dir(0); if( zHome==0 ) return 0; zConfigFile = (zSubdir && *zSubdir) ? sqlite3_mprintf("%s/%s/%s", zHome, zSubdir, zBaseName) : sqlite3_mprintf("%s/%s", zHome, zBaseName); } shell_check_oom(zConfigFile); if( access(zConfigFile,0)!=0 ){ sqlite3_free(zConfigFile); zConfigFile = 0; } return zConfigFile; #endif } /* ** Read input from the file sqliterc_override. If that parameter is ** NULL, take it from find_xdg_file(), if found, or fall back to ** ~/.sqliterc. ** ** Failure to read the config is only considered a failure if ** sqliterc_override is not NULL, in which case this function may emit ** a warning or, if ::bail_on_error is true, fail fatally if the file ** named by sqliterc_override is not found. */ static void process_sqliterc( ShellState *p, /* Configuration data */ const char *sqliterc_override /* Name of config file. NULL to use default */ ){ char *home_dir = NULL; char *sqliterc = (char*)sqliterc_override; FILE *inSaved = p->in; i64 savedLineno = p->lineno; if( sqliterc == NULL ){ sqliterc = find_xdg_file("XDG_CONFIG_HOME", ".config", "sqlite3/sqliterc"); } if( sqliterc == NULL ){ home_dir = find_home_dir(0); if( home_dir==0 ){ eputz("-- warning: cannot find home directory;" " cannot read ~/.sqliterc\n"); return; } sqliterc = sqlite3_mprintf("%s/.sqliterc",home_dir); shell_check_oom(sqliterc); } p->in = sqliterc ? sqlite3_fopen(sqliterc,"rb") : 0; if( p->in ){ if( stdin_is_interactive ){ sqlite3_fprintf(stderr,"-- Loading resources from %s\n", sqliterc); } if( process_input(p, sqliterc) && bail_on_error ) exit(1); fclose(p->in); }else if( sqliterc_override!=0 ){ sqlite3_fprintf(stderr,"cannot open: \"%s\"\n", sqliterc); if( bail_on_error ) exit(1); } p->in = inSaved; p->lineno = savedLineno; if( sqliterc != sqliterc_override ){ sqlite3_free(sqliterc); } } /* ** Show available command line options */ static const char zOptions[] = " -- treat no subsequent arguments as options\n" #if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE) " -A ARGS... run \".archive ARGS\" and exit\n" #endif " -append append the database to the end of the file\n" " -ascii set output mode to 'ascii'\n" " -bail stop after hitting an error\n" " -batch force batch I/O\n" " -box set output mode to 'box'\n" " -column set output mode to 'column'\n" " -cmd COMMAND run \"COMMAND\" before reading stdin\n" " -csv set output mode to 'csv'\n" #if !defined(SQLITE_OMIT_DESERIALIZE) " -deserialize open the database using sqlite3_deserialize()\n" #endif " -echo print inputs before execution\n" " -escape T ctrl-char escape; T is one of: symbol, ascii, off\n" " -init FILENAME read/process named file\n" " -[no]header turn headers on or off\n" #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) " -heap SIZE Size of heap for memsys3 or memsys5\n" #endif " -help show this message\n" " -html set output mode to HTML\n" " -ifexists only open if database already exists\n" " -interactive force interactive I/O\n" " -json set output mode to 'json'\n" " -line set output mode to 'line'\n" " -list set output mode to 'list'\n" " -lookaside SIZE N use N entries of SZ bytes for lookaside memory\n" " -markdown set output mode to 'markdown'\n" #if !defined(SQLITE_OMIT_DESERIALIZE) " -maxsize N maximum size for a --deserialize database\n" #endif " -memtrace trace all memory allocations and deallocations\n" " -mmap N default mmap size set to N\n" #ifdef SQLITE_ENABLE_MULTIPLEX " -multiplex enable the multiplexor VFS\n" #endif " -newline SEP set output row separator. Default: '\\n'\n" " -nofollow refuse to open symbolic links to database files\n" " -nonce STRING set the safe-mode escape nonce\n" " -no-rowid-in-view Disable rowid-in-view using sqlite3_config()\n" " -nullvalue TEXT set text string for NULL values. Default ''\n" " -pagecache SIZE N use N slots of SZ bytes each for page cache memory\n" " -pcachetrace trace all page cache operations\n" " -quote set output mode to 'quote'\n" " -readonly open the database read-only\n" " -safe enable safe-mode\n" " -separator SEP set output column separator. Default: '|'\n" #ifdef SQLITE_ENABLE_SORTER_REFERENCES " -sorterref SIZE sorter references threshold size\n" #endif " -stats print memory stats before each finalize\n" " -table set output mode to 'table'\n" " -tabs set output mode to 'tabs'\n" " -unsafe-testing allow unsafe commands and modes for testing\n" " -version show SQLite version\n" " -vfs NAME use NAME as the default VFS\n" " -vfstrace enable tracing of all VFS calls\n" #ifdef SQLITE_HAVE_ZLIB " -zip open the file as a ZIP Archive\n" #endif ; static void usage(int showDetail){ sqlite3_fprintf(stderr,"Usage: %s [OPTIONS] [FILENAME [SQL...]]\n" "FILENAME is the name of an SQLite database. A new database is created\n" "if the file does not previously exist. Defaults to :memory:.\n", Argv0); if( showDetail ){ sqlite3_fprintf(stderr,"OPTIONS include:\n%s", zOptions); }else{ eputz("Use the -help option for additional information\n"); } exit(0); } /* ** Internal check: Verify that the SQLite is uninitialized. Print a ** error message if it is initialized. */ static void verify_uninitialized(void){ if( sqlite3_config(-1)==SQLITE_MISUSE ){ sputz(stdout, "WARNING: attempt to configure SQLite after" " initialization.\n"); } } /* ** Initialize the state information in data */ static void main_init(ShellState *data) { memset(data, 0, sizeof(*data)); data->normalMode = data->cMode = data->mode = MODE_List; data->autoExplain = 1; #ifdef _WIN32 data->crlfMode = 1; #endif data->pAuxDb = &data->aAuxDb[0]; memcpy(data->colSeparator,SEP_Column, 2); memcpy(data->rowSeparator,SEP_Row, 2); data->showHeader = 0; data->shellFlgs = SHFLG_Lookaside; sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data); #if !defined(SQLITE_SHELL_FIDDLE) verify_uninitialized(); #endif sqlite3_config(SQLITE_CONFIG_URI, 1); sqlite3_config(SQLITE_CONFIG_MULTITHREAD); sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> "); sqlite3_snprintf(sizeof(continuePrompt), continuePrompt," ...> "); } /* ** Output text to the console in a font that attracts extra attention. */ #if defined(_WIN32) || defined(WIN32) static void printBold(const char *zText){ #if !SQLITE_OS_WINRT HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo; GetConsoleScreenBufferInfo(out, &defaultScreenInfo); SetConsoleTextAttribute(out, FOREGROUND_RED|FOREGROUND_INTENSITY ); #endif sputz(stdout, zText); #if !SQLITE_OS_WINRT SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes); #endif } #else static void printBold(const char *zText){ sqlite3_fprintf(stdout, "\033[1m%s\033[0m", zText); } #endif /* ** Get the argument to an --option. Throw an error and die if no argument ** is available. */ static char *cmdline_option_value(int argc, char **argv, int i){ if( i==argc ){ sqlite3_fprintf(stderr, "%s: Error: missing argument to %s\n", argv[0], argv[argc-1]); exit(1); } return argv[i]; } static void sayAbnormalExit(void){ if( seenInterrupt ) eputz("Program interrupted.\n"); } /* Routine to output from vfstrace */ static int vfstraceOut(const char *z, void *pArg){ ShellState *p = (ShellState*)pArg; sqlite3_fputs(z, p->out); fflush(p->out); return 1; } #ifndef SQLITE_SHELL_IS_UTF8 # if (defined(_WIN32) || defined(WIN32)) \ && (defined(_MSC_VER) || (defined(UNICODE) && defined(__GNUC__))) # define SQLITE_SHELL_IS_UTF8 (0) # else # define SQLITE_SHELL_IS_UTF8 (1) # endif #endif #ifdef SQLITE_SHELL_FIDDLE # define main fiddle_main #endif #if SQLITE_SHELL_IS_UTF8 int SQLITE_CDECL main(int argc, char **argv){ #else int SQLITE_CDECL wmain(int argc, wchar_t **wargv){ char **argv; #endif #ifdef SQLITE_DEBUG sqlite3_int64 mem_main_enter = 0; #endif char *zErrMsg = 0; #ifdef SQLITE_SHELL_FIDDLE # define data shellState #else ShellState data; #endif const char *zInitFile = 0; int i; int rc = 0; int warnInmemoryDb = 0; int readStdin = 1; int nCmd = 0; int nOptsEnd = argc; int bEnableVfstrace = 0; char **azCmd = 0; const char *zVfs = 0; /* Value of -vfs command-line option */ #if !SQLITE_SHELL_IS_UTF8 char **argvToFree = 0; int argcToFree = 0; #endif setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */ #ifdef SQLITE_SHELL_FIDDLE stdin_is_interactive = 0; stdout_is_console = 1; data.wasm.zDefaultDbName = "/fiddle.sqlite3"; #else stdin_is_interactive = isatty(0); stdout_is_console = isatty(1); #endif atexit(sayAbnormalExit); #ifdef SQLITE_DEBUG mem_main_enter = sqlite3_memory_used(); #endif #if !defined(_WIN32_WCE) if( getenv("SQLITE_DEBUG_BREAK") ){ if( isatty(0) && isatty(2) ){ char zLine[100]; sqlite3_fprintf(stderr, "attach debugger to process %d and press ENTER to continue...", GETPID()); if( sqlite3_fgets(zLine, sizeof(zLine), stdin)!=0 && cli_strcmp(zLine,"stop")==0 ){ exit(1); } }else{ #if defined(_WIN32) || defined(WIN32) #if SQLITE_OS_WINRT __debugbreak(); #else DebugBreak(); #endif #elif defined(SIGTRAP) raise(SIGTRAP); #endif } } #endif /* Register a valid signal handler early, before much else is done. */ #ifdef SIGINT signal(SIGINT, interrupt_handler); #elif (defined(_WIN32) || defined(WIN32)) && !defined(_WIN32_WCE) if( !SetConsoleCtrlHandler(ConsoleCtrlHandler, TRUE) ){ eputz("No ^C handler.\n"); } #endif #if USE_SYSTEM_SQLITE+0!=1 if( cli_strncmp(sqlite3_sourceid(),SQLITE_SOURCE_ID,60)!=0 ){ sqlite3_fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n", sqlite3_sourceid(), SQLITE_SOURCE_ID); exit(1); } #endif main_init(&data); /* On Windows, we must translate command-line arguments into UTF-8. ** The SQLite memory allocator subsystem has to be enabled in order to ** do this. But we want to run an sqlite3_shutdown() afterwards so that ** subsequent sqlite3_config() calls will work. So copy all results into ** memory that does not come from the SQLite memory allocator. */ #if !SQLITE_SHELL_IS_UTF8 sqlite3_initialize(); argvToFree = malloc(sizeof(argv[0])*argc*2); shell_check_oom(argvToFree); argcToFree = argc; argv = argvToFree + argc; for(i=0; i<argc; i++){ char *z = sqlite3_win32_unicode_to_utf8(wargv[i]); i64 n; shell_check_oom(z); n = strlen(z); argv[i] = malloc( n+1 ); shell_check_oom(argv[i]); memcpy(argv[i], z, n+1); argvToFree[i] = argv[i]; sqlite3_free(z); } sqlite3_shutdown(); #endif assert( argc>=1 && argv && argv[0] ); Argv0 = argv[0]; #ifdef SQLITE_SHELL_DBNAME_PROC { /* If the SQLITE_SHELL_DBNAME_PROC macro is defined, then it is the name ** of a C-function that will provide the name of the database file. Use ** this compile-time option to embed this shell program in larger ** applications. */ extern void SQLITE_SHELL_DBNAME_PROC(const char**); SQLITE_SHELL_DBNAME_PROC(&data.pAuxDb->zDbFilename); warnInmemoryDb = 0; } #endif /* Do an initial pass through the command-line argument to locate ** the name of the database file, the name of the initialization file, ** the size of the alternative malloc heap, options affecting commands ** or SQL run from the command line, and the first command to execute. */ #ifndef SQLITE_SHELL_FIDDLE verify_uninitialized(); #endif for(i=1; i<argc; i++){ char *z; z = argv[i]; if( z[0]!='-' || i>nOptsEnd ){ if( data.aAuxDb->zDbFilename==0 ){ data.aAuxDb->zDbFilename = z; }else{ /* Excess arguments are interpreted as SQL (or dot-commands) and ** mean that nothing is read from stdin */ readStdin = 0; nCmd++; azCmd = realloc(azCmd, sizeof(azCmd[0])*nCmd); shell_check_oom(azCmd); azCmd[nCmd-1] = z; } continue; } if( z[1]=='-' ) z++; if( cli_strcmp(z, "-")==0 ){ nOptsEnd = i; continue; }else if( cli_strcmp(z,"-separator")==0 || cli_strcmp(z,"-nullvalue")==0 || cli_strcmp(z,"-newline")==0 || cli_strcmp(z,"-cmd")==0 ){ (void)cmdline_option_value(argc, argv, ++i); }else if( cli_strcmp(z,"-init")==0 ){ zInitFile = cmdline_option_value(argc, argv, ++i); }else if( cli_strcmp(z,"-interactive")==0 ){ }else if( cli_strcmp(z,"-batch")==0 ){ /* Need to check for batch mode here to so we can avoid printing ** informational messages (like from process_sqliterc) before ** we do the actual processing of arguments later in a second pass. */ stdin_is_interactive = 0; }else if( cli_strcmp(z,"-utf8")==0 ){ }else if( cli_strcmp(z,"-no-utf8")==0 ){ }else if( cli_strcmp(z,"-no-rowid-in-view")==0 ){ int val = 0; sqlite3_config(SQLITE_CONFIG_ROWID_IN_VIEW, &val); assert( val==0 ); }else if( cli_strcmp(z,"-heap")==0 ){ #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) const char *zSize; sqlite3_int64 szHeap; zSize = cmdline_option_value(argc, argv, ++i); szHeap = integerValue(zSize); if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000; verify_uninitialized(); sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64); #else (void)cmdline_option_value(argc, argv, ++i); #endif }else if( cli_strcmp(z,"-pagecache")==0 ){ sqlite3_int64 n, sz; sz = integerValue(cmdline_option_value(argc,argv,++i)); if( sz>65536 ) sz = 65536; if( sz<0 ) sz = 0; n = integerValue(cmdline_option_value(argc,argv,++i)); if( sz>0 && n>0 && 0xffffffffffffLL/sz<n ){ n = 0xffffffffffffLL/sz; } if( sz>0 && (sz & (sz-1))==0 ){ /* If SIZE is a power of two, round it up by the PCACHE_HDRSZ */ int szHdr = 0; sqlite3_config(SQLITE_CONFIG_PCACHE_HDRSZ, &szHdr); sz += szHdr; sqlite3_fprintf(stdout, "Page cache size increased to %d to accommodate" " the %d-byte headers\n", (int)sz, szHdr); } verify_uninitialized(); sqlite3_config(SQLITE_CONFIG_PAGECACHE, (n>0 && sz>0) ? malloc(n*sz) : 0, sz, n); data.shellFlgs |= SHFLG_Pagecache; }else if( cli_strcmp(z,"-lookaside")==0 ){ int n, sz; sz = (int)integerValue(cmdline_option_value(argc,argv,++i)); if( sz<0 ) sz = 0; n = (int)integerValue(cmdline_option_value(argc,argv,++i)); if( n<0 ) n = 0; verify_uninitialized(); sqlite3_config(SQLITE_CONFIG_LOOKASIDE, sz, n); if( (i64)sz*(i64)n==0 ) data.shellFlgs &= ~SHFLG_Lookaside; }else if( cli_strcmp(z,"-threadsafe")==0 ){ int n; n = (int)integerValue(cmdline_option_value(argc,argv,++i)); verify_uninitialized(); switch( n ){ case 0: sqlite3_config(SQLITE_CONFIG_SINGLETHREAD); break; case 2: sqlite3_config(SQLITE_CONFIG_MULTITHREAD); break; default: sqlite3_config(SQLITE_CONFIG_SERIALIZED); break; } }else if( cli_strcmp(z,"-vfstrace")==0 ){ bEnableVfstrace = 1; #ifdef SQLITE_ENABLE_MULTIPLEX }else if( cli_strcmp(z,"-multiplex")==0 ){ extern int sqlite3_multiplex_initialize(const char*,int); sqlite3_multiplex_initialize(0, 1); #endif }else if( cli_strcmp(z,"-mmap")==0 ){ sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i)); verify_uninitialized(); sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz); #if defined(SQLITE_ENABLE_SORTER_REFERENCES) }else if( cli_strcmp(z,"-sorterref")==0 ){ sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i)); verify_uninitialized(); sqlite3_config(SQLITE_CONFIG_SORTERREF_SIZE, (int)sz); #endif }else if( cli_strcmp(z,"-vfs")==0 ){ zVfs = cmdline_option_value(argc, argv, ++i); #ifdef SQLITE_HAVE_ZLIB }else if( cli_strcmp(z,"-zip")==0 ){ data.openMode = SHELL_OPEN_ZIPFILE; #endif }else if( cli_strcmp(z,"-append")==0 ){ data.openMode = SHELL_OPEN_APPENDVFS; #ifndef SQLITE_OMIT_DESERIALIZE }else if( cli_strcmp(z,"-deserialize")==0 ){ data.openMode = SHELL_OPEN_DESERIALIZE; }else if( cli_strcmp(z,"-maxsize")==0 && i+1<argc ){ data.szMax = integerValue(argv[++i]); #endif }else if( cli_strcmp(z,"-readonly")==0 ){ data.openFlags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE); data.openFlags |= SQLITE_OPEN_READONLY; }else if( cli_strcmp(z,"-nofollow")==0 ){ data.openFlags |= SQLITE_OPEN_NOFOLLOW; }else if( cli_strcmp(z,"-exclusive")==0 ){ /* UNDOCUMENTED */ data.openFlags |= SQLITE_OPEN_EXCLUSIVE; }else if( cli_strcmp(z,"-ifexists")==0 ){ data.openFlags &= ~(SQLITE_OPEN_CREATE); if( data.openFlags==0 ) data.openFlags = SQLITE_OPEN_READWRITE; #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) }else if( cli_strncmp(z, "-A",2)==0 ){ /* All remaining command-line arguments are passed to the ".archive" ** command, so ignore them */ break; #endif }else if( cli_strcmp(z, "-memtrace")==0 ){ sqlite3MemTraceActivate(stderr); }else if( cli_strcmp(z, "-pcachetrace")==0 ){ sqlite3PcacheTraceActivate(stderr); }else if( cli_strcmp(z,"-bail")==0 ){ bail_on_error = 1; }else if( cli_strcmp(z,"-nonce")==0 ){ free(data.zNonce); data.zNonce = strdup(cmdline_option_value(argc, argv, ++i)); }else if( cli_strcmp(z,"-unsafe-testing")==0 ){ ShellSetFlag(&data,SHFLG_TestingMode); }else if( cli_strcmp(z,"-safe")==0 ){ /* no-op - catch this on the second pass */ }else if( cli_strcmp(z,"-escape")==0 && i+1<argc ){ /* skip over the argument */ i++; } } #ifndef SQLITE_SHELL_FIDDLE if( !bEnableVfstrace ) verify_uninitialized(); #endif #ifdef SQLITE_SHELL_INIT_PROC { /* If the SQLITE_SHELL_INIT_PROC macro is defined, then it is the name ** of a C-function that will perform initialization actions on SQLite that ** occur just before or after sqlite3_initialize(). Use this compile-time ** option to embed this shell program in larger applications. */ extern void SQLITE_SHELL_INIT_PROC(void); SQLITE_SHELL_INIT_PROC(); } #else /* All the sqlite3_config() calls have now been made. So it is safe ** to call sqlite3_initialize() and process any command line -vfs option. */ sqlite3_initialize(); #endif if( zVfs ){ sqlite3_vfs *pVfs = sqlite3_vfs_find(zVfs); if( pVfs ){ sqlite3_vfs_register(pVfs, 1); }else{ sqlite3_fprintf(stderr,"no such VFS: \"%s\"\n", zVfs); exit(1); } } if( data.pAuxDb->zDbFilename==0 ){ #ifndef SQLITE_OMIT_MEMORYDB data.pAuxDb->zDbFilename = ":memory:"; warnInmemoryDb = argc==1; #else sqlite3_fprintf(stderr, "%s: Error: no database filename specified\n", Argv0); return 1; #endif } data.out = stdout; if( bEnableVfstrace ){ vfstrace_register("trace",0,vfstraceOut, &data, 1); } #ifndef SQLITE_SHELL_FIDDLE sqlite3_appendvfs_init(0,0,0); #endif /* Go ahead and open the database file if it already exists. If the ** file does not exist, delay opening it. This prevents empty database ** files from being created if a user mistypes the database name argument ** to the sqlite command-line tool. */ if( access(data.pAuxDb->zDbFilename, 0)==0 ){ open_db(&data, 0); } /* Process the initialization file if there is one. If no -init option ** is given on the command line, look for a file named ~/.sqliterc and ** try to process it. */ process_sqliterc(&data,zInitFile); /* Make a second pass through the command-line argument and set ** options. This second pass is delayed until after the initialization ** file is processed so that the command-line arguments will override ** settings in the initialization file. */ for(i=1; i<argc; i++){ char *z = argv[i]; if( z[0]!='-' || i>=nOptsEnd ) continue; if( z[1]=='-' ){ z++; } if( cli_strcmp(z,"-init")==0 ){ i++; }else if( cli_strcmp(z,"-html")==0 ){ data.mode = MODE_Html; }else if( cli_strcmp(z,"-list")==0 ){ data.mode = MODE_List; }else if( cli_strcmp(z,"-quote")==0 ){ data.mode = MODE_Quote; sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator, SEP_Comma); sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator, SEP_Row); }else if( cli_strcmp(z,"-line")==0 ){ data.mode = MODE_Line; }else if( cli_strcmp(z,"-column")==0 ){ data.mode = MODE_Column; }else if( cli_strcmp(z,"-json")==0 ){ data.mode = MODE_Json; }else if( cli_strcmp(z,"-markdown")==0 ){ data.mode = MODE_Markdown; }else if( cli_strcmp(z,"-table")==0 ){ data.mode = MODE_Table; }else if( cli_strcmp(z,"-box")==0 ){ data.mode = MODE_Box; }else if( cli_strcmp(z,"-csv")==0 ){ data.mode = MODE_Csv; memcpy(data.colSeparator,",",2); }else if( cli_strcmp(z,"-escape")==0 && i+1<argc ){ /* See similar code at tag-20250224-1 */ const char *zEsc = argv[++i]; int k; for(k=0; k<ArraySize(shell_EscModeNames); k++){ if( sqlite3_stricmp(zEsc,shell_EscModeNames[k])==0 ){ data.eEscMode = k; break; } } if( k>=ArraySize(shell_EscModeNames) ){ sqlite3_fprintf(stderr, "unknown control character escape mode \"%s\"" " - choices:", zEsc); for(k=0; k<ArraySize(shell_EscModeNames); k++){ sqlite3_fprintf(stderr, " %s", shell_EscModeNames[k]); } sqlite3_fprintf(stderr, "\n"); exit(1); } #ifdef SQLITE_HAVE_ZLIB }else if( cli_strcmp(z,"-zip")==0 ){ data.openMode = SHELL_OPEN_ZIPFILE; #endif }else if( cli_strcmp(z,"-append")==0 ){ data.openMode = SHELL_OPEN_APPENDVFS; #ifndef SQLITE_OMIT_DESERIALIZE }else if( cli_strcmp(z,"-deserialize")==0 ){ data.openMode = SHELL_OPEN_DESERIALIZE; }else if( cli_strcmp(z,"-maxsize")==0 && i+1<argc ){ data.szMax = integerValue(argv[++i]); #endif }else if( cli_strcmp(z,"-readonly")==0 ){ data.openFlags &= ~(SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE); data.openFlags |= SQLITE_OPEN_READONLY; }else if( cli_strcmp(z,"-nofollow")==0 ){ data.openFlags |= SQLITE_OPEN_NOFOLLOW; }else if( cli_strcmp(z,"-exclusive")==0 ){ /* UNDOCUMENTED */ data.openFlags |= SQLITE_OPEN_EXCLUSIVE; }else if( cli_strcmp(z,"-ifexists")==0 ){ data.openFlags &= ~(SQLITE_OPEN_CREATE); if( data.openFlags==0 ) data.openFlags = SQLITE_OPEN_READWRITE; }else if( cli_strcmp(z,"-ascii")==0 ){ data.mode = MODE_Ascii; sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,SEP_Unit); sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,SEP_Record); }else if( cli_strcmp(z,"-tabs")==0 ){ data.mode = MODE_List; sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,SEP_Tab); sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,SEP_Row); }else if( cli_strcmp(z,"-separator")==0 ){ sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator, "%s",cmdline_option_value(argc,argv,++i)); }else if( cli_strcmp(z,"-newline")==0 ){ sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator, "%s",cmdline_option_value(argc,argv,++i)); }else if( cli_strcmp(z,"-nullvalue")==0 ){ sqlite3_snprintf(sizeof(data.nullValue), data.nullValue, "%s",cmdline_option_value(argc,argv,++i)); }else if( cli_strcmp(z,"-header")==0 ){ data.showHeader = 1; ShellSetFlag(&data, SHFLG_HeaderSet); }else if( cli_strcmp(z,"-noheader")==0 ){ data.showHeader = 0; ShellSetFlag(&data, SHFLG_HeaderSet); }else if( cli_strcmp(z,"-echo")==0 ){ ShellSetFlag(&data, SHFLG_Echo); }else if( cli_strcmp(z,"-eqp")==0 ){ data.autoEQP = AUTOEQP_on; }else if( cli_strcmp(z,"-eqpfull")==0 ){ data.autoEQP = AUTOEQP_full; }else if( cli_strcmp(z,"-stats")==0 ){ data.statsOn = 1; }else if( cli_strcmp(z,"-scanstats")==0 ){ data.scanstatsOn = 1; }else if( cli_strcmp(z,"-backslash")==0 ){ /* Undocumented command-line option: -backslash ** Causes C-style backslash escapes to be evaluated in SQL statements ** prior to sending the SQL into SQLite. Useful for injecting ** crazy bytes in the middle of SQL statements for testing and debugging. */ ShellSetFlag(&data, SHFLG_Backslash); }else if( cli_strcmp(z,"-bail")==0 ){ /* No-op. The bail_on_error flag should already be set. */ }else if( cli_strcmp(z,"-version")==0 ){ sqlite3_fprintf(stdout, "%s %s (%d-bit)\n", sqlite3_libversion(), sqlite3_sourceid(), 8*(int)sizeof(char*)); return 0; }else if( cli_strcmp(z,"-interactive")==0 ){ /* Need to check for interactive override here to so that it can ** affect console setup (for Windows only) and testing thereof. */ stdin_is_interactive = 1; }else if( cli_strcmp(z,"-batch")==0 ){ /* already handled */ }else if( cli_strcmp(z,"-utf8")==0 ){ /* already handled */ }else if( cli_strcmp(z,"-no-utf8")==0 ){ /* already handled */ }else if( cli_strcmp(z,"-no-rowid-in-view")==0 ){ /* already handled */ }else if( cli_strcmp(z,"-heap")==0 ){ i++; }else if( cli_strcmp(z,"-pagecache")==0 ){ i+=2; }else if( cli_strcmp(z,"-lookaside")==0 ){ i+=2; }else if( cli_strcmp(z,"-threadsafe")==0 ){ i+=2; }else if( cli_strcmp(z,"-nonce")==0 ){ i += 2; }else if( cli_strcmp(z,"-mmap")==0 ){ i++; }else if( cli_strcmp(z,"-memtrace")==0 ){ i++; }else if( cli_strcmp(z,"-pcachetrace")==0 ){ i++; #ifdef SQLITE_ENABLE_SORTER_REFERENCES }else if( cli_strcmp(z,"-sorterref")==0 ){ i++; #endif }else if( cli_strcmp(z,"-vfs")==0 ){ i++; }else if( cli_strcmp(z,"-vfstrace")==0 ){ i++; #ifdef SQLITE_ENABLE_MULTIPLEX }else if( cli_strcmp(z,"-multiplex")==0 ){ i++; #endif }else if( cli_strcmp(z,"-help")==0 ){ usage(1); }else if( cli_strcmp(z,"-cmd")==0 ){ /* Run commands that follow -cmd first and separately from commands ** that simply appear on the command-line. This seems goofy. It would ** be better if all commands ran in the order that they appear. But ** we retain the goofy behavior for historical compatibility. */ if( i==argc-1 ) break; z = cmdline_option_value(argc,argv,++i); if( z[0]=='.' ){ rc = do_meta_command(z, &data); if( rc && bail_on_error ) return rc==2 ? 0 : rc; }else{ open_db(&data, 0); rc = shell_exec(&data, z, &zErrMsg); if( zErrMsg!=0 ){ shellEmitError(zErrMsg); sqlite3_free(zErrMsg); if( bail_on_error ) return rc!=0 ? rc : 1; }else if( rc!=0 ){ sqlite3_fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z); if( bail_on_error ) return rc; } } #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) }else if( cli_strncmp(z, "-A", 2)==0 ){ if( nCmd>0 ){ sqlite3_fprintf(stderr,"Error: cannot mix regular SQL or dot-commands" " with \"%s\"\n", z); rc = 1; goto shell_main_exit; } open_db(&data, OPEN_DB_ZIPFILE); if( z[2] ){ argv[i] = &z[2]; arDotCommand(&data, 1, argv+(i-1), argc-(i-1)); }else{ arDotCommand(&data, 1, argv+i, argc-i); } readStdin = 0; break; #endif }else if( cli_strcmp(z,"-safe")==0 ){ data.bSafeMode = data.bSafeModePersist = 1; }else if( cli_strcmp(z,"-unsafe-testing")==0 ){ /* Acted upon in first pass. */ }else{ sqlite3_fprintf(stderr,"%s: Error: unknown option: %s\n", Argv0, z); eputz("Use -help for a list of options.\n"); return 1; } data.cMode = data.mode; } if( !readStdin ){ /* Run all arguments that do not begin with '-' as if they were separate ** command-line inputs, except for the argToSkip argument which contains ** the database filename. */ for(i=0; i<nCmd; i++){ echo_group_input(&data, azCmd[i]); if( azCmd[i][0]=='.' ){ rc = do_meta_command(azCmd[i], &data); if( rc ){ if( rc==2 ) rc = 0; goto shell_main_exit; } }else{ open_db(&data, 0); rc = shell_exec(&data, azCmd[i], &zErrMsg); if( zErrMsg || rc ){ if( zErrMsg!=0 ){ shellEmitError(zErrMsg); }else{ sqlite3_fprintf(stderr, "Error: unable to process SQL: %s\n", azCmd[i]); } sqlite3_free(zErrMsg); if( rc==0 ) rc = 1; goto shell_main_exit; } } } }else{ /* Run commands received from standard input */ if( stdin_is_interactive ){ char *zHome; char *zHistory; sqlite3_fprintf(stdout, "SQLite version %s %.19s\n" /*extra-version-info*/ "Enter \".help\" for usage hints.\n", sqlite3_libversion(), sqlite3_sourceid()); if( warnInmemoryDb ){ sputz(stdout, "Connected to a "); printBold("transient in-memory database"); sputz(stdout, ".\nUse \".open FILENAME\" to reopen on a" " persistent database.\n"); } zHistory = getenv("SQLITE_HISTORY"); if( zHistory ){ zHistory = sqlite3_mprintf("%s", zHistory); shell_check_oom(zHistory); }else{ zHistory = find_xdg_file("XDG_STATE_HOME", ".local/state", "sqlite_history"); if( 0==zHistory && (zHome = find_home_dir(0))!=0 ){ zHistory = sqlite3_mprintf("%s/.sqlite_history", zHome); shell_check_oom(zHistory); } } if( zHistory ){ shell_read_history(zHistory); } #if (HAVE_READLINE || HAVE_EDITLINE) && !defined(SQLITE_OMIT_READLINE_COMPLETION) rl_attempted_completion_function = readline_completion; #elif HAVE_LINENOISE==1 linenoiseSetCompletionCallback(linenoise_completion); #elif HAVE_LINENOISE==2 linenoiseSetCompletionCallback(linenoise_completion, NULL); #endif data.in = 0; rc = process_input(&data, "<stdin>"); if( zHistory ){ shell_stifle_history(2000); shell_write_history(zHistory); sqlite3_free(zHistory); } }else{ data.in = stdin; rc = process_input(&data, "<stdin>"); } } #ifndef SQLITE_SHELL_FIDDLE /* In WASM mode we have to leave the db state in place so that ** client code can "push" SQL into it after this call returns. */ #if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_OMIT_AUTHORIZATION) if( data.expert.pExpert ){ expertFinish(&data, 1, 0); } #endif shell_main_exit: free(azCmd); set_table_name(&data, 0); if( data.db ){ session_close_all(&data, -1); close_db(data.db); } for(i=0; i<ArraySize(data.aAuxDb); i++){ sqlite3_free(data.aAuxDb[i].zFreeOnClose); if( data.aAuxDb[i].db ){ session_close_all(&data, i); close_db(data.aAuxDb[i].db); } } find_home_dir(1); output_reset(&data); data.doXdgOpen = 0; clearTempFile(&data); #if !SQLITE_SHELL_IS_UTF8 for(i=0; i<argcToFree; i++) free(argvToFree[i]); free(argvToFree); #endif free(data.colWidth); free(data.zNonce); /* Clear the global data structure so that valgrind will detect memory ** leaks */ memset(&data, 0, sizeof(data)); if( bEnableVfstrace ){ vfstrace_unregister("trace"); } #ifdef SQLITE_DEBUG if( sqlite3_memory_used()>mem_main_enter ){ sqlite3_fprintf(stderr,"Memory leaked: %u bytes\n", (unsigned int)(sqlite3_memory_used()-mem_main_enter)); } #endif #else /* SQLITE_SHELL_FIDDLE... */ shell_main_exit: #endif return rc; } #ifdef SQLITE_SHELL_FIDDLE /* Only for emcc experimentation purposes. */ int fiddle_experiment(int a,int b){ return a + b; } /* ** Returns a pointer to the current DB handle. */ sqlite3 * fiddle_db_handle(){ return globalDb; } /* ** Returns a pointer to the given DB name's VFS. If zDbName is 0 then ** "main" is assumed. Returns 0 if no db with the given name is ** open. */ sqlite3_vfs * fiddle_db_vfs(const char *zDbName){ sqlite3_vfs * pVfs = 0; if(globalDb){ sqlite3_file_control(globalDb, zDbName ? zDbName : "main", SQLITE_FCNTL_VFS_POINTER, &pVfs); } return pVfs; } /* Only for emcc experimentation purposes. */ sqlite3 * fiddle_db_arg(sqlite3 *arg){ sqlite3_fprintf(stdout, "fiddle_db_arg(%p)\n", (const void*)arg); return arg; } /* ** Intended to be called via a SharedWorker() while a separate ** SharedWorker() (which manages the wasm module) is performing work ** which should be interrupted. Unfortunately, SharedWorker is not ** portable enough to make real use of. */ void fiddle_interrupt(void){ if( globalDb ) sqlite3_interrupt(globalDb); } /* ** Returns the filename of the given db name, assuming "main" if ** zDbName is NULL. Returns NULL if globalDb is not opened. */ const char * fiddle_db_filename(const char * zDbName){ return globalDb ? sqlite3_db_filename(globalDb, zDbName ? zDbName : "main") : NULL; } /* ** Completely wipes out the contents of the currently-opened database ** but leaves its storage intact for reuse. If any transactions are ** active, they are forcibly rolled back. */ void fiddle_reset_db(void){ if( globalDb ){ int rc; while( sqlite3_txn_state(globalDb,0)>0 ){ /* ** Resolve problem reported in ** https://sqlite.org/forum/forumpost/0b41a25d65 */ sqlite3_fputs("Rolling back in-progress transaction.\n", stdout); sqlite3_exec(globalDb,"ROLLBACK", 0, 0, 0); } rc = sqlite3_db_config(globalDb, SQLITE_DBCONFIG_RESET_DATABASE, 1, 0); if( 0==rc ) sqlite3_exec(globalDb, "VACUUM", 0, 0, 0); sqlite3_db_config(globalDb, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); } } /* ** Uses the current database's VFS xRead to stream the db file's ** contents out to the given callback. The callback gets a single ** chunk of size n (its 2nd argument) on each call and must return 0 ** on success, non-0 on error. This function returns 0 on success, ** SQLITE_NOTFOUND if no db is open, or propagates any other non-0 ** code from the callback. Note that this is not thread-friendly: it ** expects that it will be the only thread reading the db file and ** takes no measures to ensure that is the case. */ int fiddle_export_db( int (*xCallback)(unsigned const char *zOut, int n) ){ sqlite3_int64 nSize = 0; sqlite3_int64 nPos = 0; sqlite3_file * pFile = 0; unsigned char buf[1024 * 8]; int nBuf = (int)sizeof(buf); int rc = shellState.db ? sqlite3_file_control(shellState.db, "main", SQLITE_FCNTL_FILE_POINTER, &pFile) : SQLITE_NOTFOUND; if( rc ) return rc; rc = pFile->pMethods->xFileSize(pFile, &nSize); if( rc ) return rc; if(nSize % nBuf){ /* DB size is not an even multiple of the buffer size. Reduce ** buffer size so that we do not unduly inflate the db size when ** exporting. */ if(0 == nSize % 4096) nBuf = 4096; else if(0 == nSize % 2048) nBuf = 2048; else if(0 == nSize % 1024) nBuf = 1024; else nBuf = 512; } for( ; 0==rc && nPos<nSize; nPos += nBuf ){ rc = pFile->pMethods->xRead(pFile, buf, nBuf, nPos); if(SQLITE_IOERR_SHORT_READ == rc){ rc = (nPos + nBuf) < nSize ? rc : 0/*assume EOF*/; } if( 0==rc ) rc = xCallback(buf, nBuf); } return rc; } /* ** Trivial exportable function for emscripten. It processes zSql as if ** it were input to the sqlite3 shell and redirects all output to the ** wasm binding. fiddle_main() must have been called before this ** is called, or results are undefined. */ void fiddle_exec(const char * zSql){ if(zSql && *zSql){ if('.'==*zSql) puts(zSql); shellState.wasm.zInput = zSql; shellState.wasm.zPos = zSql; process_input(&shellState, "<stdin>"); shellState.wasm.zInput = shellState.wasm.zPos = 0; } } #endif /* SQLITE_SHELL_FIDDLE */