clang/sqlite | Gitverse

test/tkt3935.test
57 строк2 KB
drh
Improved technique for parsing the ON and USING clauses of a join is faster
07 апр 2022, 04:11
07 апр 2022, 04:11d44f8b2
# 2009 July 1
#
# 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 implements regression tests for SQLite library.
#
# This file implements tests to verify that ticket #3935 has been fixed.
#
# $Id: tkt3935.test,v 1.2 2009/07/01 16:12:08 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test tkt3935.1 {
  execsql {
    CREATE TABLE t1(a, b);
    CREATE TABLE t2(c, d);
  }
} {}

do_test tkt3935.2 {
  execsql { SELECT j1.b FROM ( SELECT * FROM t1 INNER JOIN t2 ON a=c ) AS j1 }
} {}
do_test tkt3935.3 {
  execsql { SELECT j1.b FROM (t1 INNER JOIN t2 ON a=c) AS j1 }
} {}


do_test tkt3935.4 {
  catchsql { SELECT a FROM (t1) AS t ON b USING(a) }
} {1 {near "USING": syntax error}}
do_test tkt3935.5 {
  catchsql { SELECT a FROM (t1) AS t ON b }
} {1 {a JOIN clause is required before ON}}
do_test tkt3935.6 {
  catchsql { SELECT a FROM (SELECT * FROM t1) AS t ON b USING(a) }
} {1 {near "USING": syntax error}}
do_test tkt3935.7 {
  catchsql { SELECT a FROM (SELECT * FROM t1) AS t ON b }
} {1 {a JOIN clause is required before ON}}
do_test tkt3935.8 {
  catchsql { SELECT a FROM t1 AS t ON b }
} {1 {a JOIN clause is required before ON}}
do_test tkt3935.9 {
  catchsql { SELECT a FROM t1 AS t ON b USING(a) }
} {1 {near "USING": syntax error}}
do_test tkt3935.10 {
  catchsql { SELECT a FROM t1 AS t USING(a) }
} {1 {a JOIN clause is required before USING}}

finish_test