diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index c8a038d8a7d..ae77dacd13a 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 - * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.84 2002/09/18 21:35:23 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.85 2002/09/19 23:40:56 tgl Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -776,6 +776,33 @@ get_rel_type_id(Oid relid) return InvalidOid; } +/* + * get_rel_relkind + * + * Returns the relkind associated with a given relation. + */ +char +get_rel_relkind(Oid relid) +{ + HeapTuple tp; + + tp = SearchSysCache(RELOID, + ObjectIdGetDatum(relid), + 0, 0, 0); + if (HeapTupleIsValid(tp)) + { + Form_pg_class reltup = (Form_pg_class) GETSTRUCT(tp); + char result; + + result = reltup->relkind; + ReleaseSysCache(tp); + return result; + } + else + return '\0'; +} + + /* ---------- TYPE CACHE ---------- */ /* @@ -1154,6 +1181,33 @@ get_typtype(Oid typid) } /* + * get_typ_typrelid + * + * Given the type OID, get the typrelid (InvalidOid if not a complex + * type). + */ +Oid +get_typ_typrelid(Oid typid) +{ + HeapTuple tp; + + tp = SearchSysCache(TYPEOID, + ObjectIdGetDatum(typid), + 0, 0, 0); + if (HeapTupleIsValid(tp)) + { + Form_pg_type typtup = (Form_pg_type) GETSTRUCT(tp); + Oid result; + + result = typtup->typrelid; + ReleaseSysCache(tp); + return result; + } + else + return InvalidOid; +} + +/* * getTypeInputInfo * * Get info needed for converting values of a type to internal form |