diff options
Diffstat (limited to 'contrib/tablefunc/tablefunc.c')
| -rw-r--r-- | contrib/tablefunc/tablefunc.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/contrib/tablefunc/tablefunc.c b/contrib/tablefunc/tablefunc.c index 74f20c5061c..622164b91b5 100644 --- a/contrib/tablefunc/tablefunc.c +++ b/contrib/tablefunc/tablefunc.c @@ -79,6 +79,7 @@ static Tuplestorestate *build_tuplestore_recursively(char *key_fld, MemoryContext per_query_ctx, AttInMetadata *attinmeta, Tuplestorestate *tupstore); +static char *quote_literal_cstr(char *rawstr); typedef struct { @@ -1319,23 +1320,23 @@ build_tuplestore_recursively(char *key_fld, /* Build initial sql statement */ if (!show_serial) { - appendStringInfo(sql, "SELECT %s, %s FROM %s WHERE %s = '%s' AND %s IS NOT NULL AND %s <> %s", + appendStringInfo(sql, "SELECT %s, %s FROM %s WHERE %s = %s AND %s IS NOT NULL AND %s <> %s", key_fld, parent_key_fld, relname, parent_key_fld, - start_with, + quote_literal_cstr(start_with), key_fld, key_fld, parent_key_fld); serial_column = 0; } else { - appendStringInfo(sql, "SELECT %s, %s FROM %s WHERE %s = '%s' AND %s IS NOT NULL AND %s <> %s ORDER BY %s", + appendStringInfo(sql, "SELECT %s, %s FROM %s WHERE %s = %s AND %s IS NOT NULL AND %s <> %s ORDER BY %s", key_fld, parent_key_fld, relname, parent_key_fld, - start_with, + quote_literal_cstr(start_with), key_fld, key_fld, parent_key_fld, orderby_fld); serial_column = 1; @@ -1691,3 +1692,21 @@ make_crosstab_tupledesc(TupleDesc spi_tupdesc, int num_categories) return tupdesc; } + +/* + * Return a properly quoted literal value. + * Uses quote_literal in quote.c + */ +static char * +quote_literal_cstr(char *rawstr) +{ + text *rawstr_text; + text *result_text; + char *result; + + rawstr_text = DatumGetTextP(DirectFunctionCall1(textin, CStringGetDatum(rawstr))); + result_text = DatumGetTextP(DirectFunctionCall1(quote_literal, PointerGetDatum(rawstr_text))); + result = DatumGetCString(DirectFunctionCall1(textout, PointerGetDatum(result_text))); + + return result; +} |