diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index e17bd49e629..79362441f8e 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.157 2008/04/13 20:51:21 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.158 2008/07/30 17:05:04 tgl Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -2168,6 +2168,29 @@ type_is_enum(Oid typid) } /* + * get_type_category_preferred + * + * Given the type OID, fetch its category and preferred-type status. + * Throws error on failure. + */ +void +get_type_category_preferred(Oid typid, char *typcategory, bool *typispreferred) +{ + HeapTuple tp; + Form_pg_type typtup; + + tp = SearchSysCache(TYPEOID, + ObjectIdGetDatum(typid), + 0, 0, 0); + if (!HeapTupleIsValid(tp)) + elog(ERROR, "cache lookup failed for type %u", typid); + typtup = (Form_pg_type) GETSTRUCT(tp); + *typcategory = typtup->typcategory; + *typispreferred = typtup->typispreferred; + ReleaseSysCache(tp); +} + +/* * get_typ_typrelid * * Given the type OID, get the typrelid (InvalidOid if not a complex |