diff options
Diffstat (limited to 'src/backend/utils/cache/inval.c')
| -rw-r--r-- | src/backend/utils/cache/inval.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/backend/utils/cache/inval.c b/src/backend/utils/cache/inval.c index 3364322dd5b..7b00f0531e2 100644 --- a/src/backend/utils/cache/inval.c +++ b/src/backend/utils/cache/inval.c @@ -74,7 +74,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.60 2004/02/10 01:55:26 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/cache/inval.c,v 1.61 2004/05/06 16:10:57 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -88,6 +88,7 @@ #include "utils/inval.h" #include "utils/memutils.h" #include "utils/relcache.h" +#include "utils/syscache.h" /* @@ -766,6 +767,26 @@ CacheInvalidateRelcacheByTuple(HeapTuple classTuple) } /* + * CacheInvalidateRelcacheByRelid + * As above, but relation is identified by passing its OID. + * This is the least efficient of the three options; use one of + * the above routines if you have a Relation or pg_class tuple. + */ +void +CacheInvalidateRelcacheByRelid(Oid relid) +{ + HeapTuple tup; + + tup = SearchSysCache(RELOID, + ObjectIdGetDatum(relid), + 0, 0, 0); + if (!HeapTupleIsValid(tup)) + elog(ERROR, "cache lookup failed for relation %u", relid); + CacheInvalidateRelcacheByTuple(tup); + ReleaseSysCache(tup); +} + +/* * CacheRegisterSyscacheCallback * Register the specified function to be called for all future * invalidation events in the specified cache. |