diff options
Diffstat (limited to 'src/tutorial/funcs.c')
| -rw-r--r-- | src/tutorial/funcs.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/tutorial/funcs.c b/src/tutorial/funcs.c index f597777a1ff..4a61177567c 100644 --- a/src/tutorial/funcs.c +++ b/src/tutorial/funcs.c @@ -11,6 +11,7 @@ #include "postgres.h" /* general Postgres declarations */ #include "executor/executor.h" /* for GetAttributeByName() */ +#include "utils/fmgrprotos.h" /* for text_starts_with() */ #include "utils/geo_decls.h" /* for point type */ PG_MODULE_MAGIC; @@ -102,6 +103,25 @@ concat_text(PG_FUNCTION_ARGS) PG_RETURN_TEXT_P(new_text); } +/* A wrapper around starts_with(text, text) */ + +PG_FUNCTION_INFO_V1(t_starts_with); + +Datum +t_starts_with(PG_FUNCTION_ARGS) +{ + text *t1 = PG_GETARG_TEXT_PP(0); + text *t2 = PG_GETARG_TEXT_PP(1); + Oid collid = PG_GET_COLLATION(); + bool result; + + result = DatumGetBool(DirectFunctionCall2Coll(text_starts_with, + collid, + PointerGetDatum(t1), + PointerGetDatum(t2))); + PG_RETURN_BOOL(result); +} + /* Composite types */ PG_FUNCTION_INFO_V1(c_overpaid); |