diff options
Diffstat (limited to 'src/backend/storage/lmgr/lmgr.c')
| -rw-r--r-- | src/backend/storage/lmgr/lmgr.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/backend/storage/lmgr/lmgr.c b/src/backend/storage/lmgr/lmgr.c index df8f991fae7..839533952b5 100644 --- a/src/backend/storage/lmgr/lmgr.c +++ b/src/backend/storage/lmgr/lmgr.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lmgr.c,v 1.33 1999/07/17 20:17:46 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lmgr.c,v 1.34 1999/09/04 18:42:14 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -22,6 +22,7 @@ #include "postgres.h" #include "access/transam.h" #include "catalog/catalog.h" +#include "utils/inval.h" extern Oid MyDatabaseId; @@ -161,7 +162,16 @@ LockRelation(Relation relation, LOCKMODE lockmode) tag.objId.blkno = InvalidBlockNumber; LockAcquire(LockTableId, &tag, lockmode); - return; + + /* + * Check to see if the relcache entry has been invalidated + * while we were waiting to lock it. If so, rebuild it, + * or elog() trying. Increment the refcount to ensure that + * RelationFlushRelation will rebuild it and not just delete it. + */ + RelationIncrementReferenceCount(relation); + DiscardInvalid(); + RelationDecrementReferenceCount(relation); } /* |