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contrib/ltree_plpython/ltree_plpython.c
62 строки
1 KB
Peter Eisentraut
Change StaticAssertVariableIsOfType to be a declaration
03 фев 2026, 10:46
03 фев 2026, 10:46
955e507
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#include "postgres.h" #include "fmgr.h" #include "ltree/ltree.h" #include "plpy_util.h" PG_MODULE_MAGIC_EXT( .name = "ltree_plpython", .version = PG_VERSION ); /* Linkage to functions in plpython module */ typedef PyObject *(*PLyUnicode_FromStringAndSize_t) (const char *s, Py_ssize_t size); static PLyUnicode_FromStringAndSize_t PLyUnicode_FromStringAndSize_p; /* Static asserts verify that typedefs above match original declarations */ StaticAssertVariableIsOfType(&PLyUnicode_FromStringAndSize, PLyUnicode_FromStringAndSize_t); /* * Module initialize function: fetch function pointers for cross-module calls. */ void _PG_init(void) { PLyUnicode_FromStringAndSize_p = (PLyUnicode_FromStringAndSize_t) load_external_function("$libdir/" PLPYTHON_LIBNAME, "PLyUnicode_FromStringAndSize", true, NULL); } /* These defines must be after the module init function */ #define PLyUnicode_FromStringAndSize PLyUnicode_FromStringAndSize_p PG_FUNCTION_INFO_V1(ltree_to_plpython); Datum ltree_to_plpython(PG_FUNCTION_ARGS) { ltree *in = PG_GETARG_LTREE_P(0); int i; PyObject *list; ltree_level *curlevel; list = PyList_New(in->numlevel); if (!list) ereport(ERROR, (errcode(ERRCODE_OUT_OF_MEMORY), errmsg("out of memory"))); curlevel = LTREE_FIRST(in); for (i = 0; i < in->numlevel; i++) { PyList_SetItem(list, i, PLyUnicode_FromStringAndSize(curlevel->name, curlevel->len)); curlevel = LEVEL_NEXT(curlevel); } PG_FREE_IF_COPY(in, 0); return PointerGetDatum(list); }