mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add some debugging support code (ifdef'd out in normal use).

Browse Source
This commit is contained in:
Tom Lane 2001-01-08 18:34:44 +00:00
parent e2586c3c62
commit b95f81a54a
1 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/backend/utils/cache/relcache.c vendored
View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.125 2001/01/06 21:53:18 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.126 2001/01/08 18:34:44 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1557,7 +1557,13 @@ RelationNameGetRelation(const char *relationName)
/* -------------------------------- /* --------------------------------
* RelationClose - close an open relation * RelationClose - close an open relation
* *
* Actually, we just decrement the refcount. * Actually, we just decrement the refcount.
*
* NOTE: if compiled with -DRELCACHE_FORCE_RELEASE then relcache entries
* will be freed as soon as their refcount goes to zero. In combination
* with aset.c's CLOBBER_FREED_MEMORY option, this provides a good test
* to catch references to already-released relcache entries. It slows
* things down quite a bit, however.
* -------------------------------- * --------------------------------
*/ */
void void
@ -1565,6 +1571,11 @@ RelationClose(Relation relation)
{ {
/* Note: no locking manipulations needed */ /* Note: no locking manipulations needed */
RelationDecrementReferenceCount(relation); RelationDecrementReferenceCount(relation);
#ifdef RELCACHE_FORCE_RELEASE
if (RelationHasReferenceCountZero(relation) && !relation->rd_myxactonly)
RelationClearRelation(relation, false);
#endif
} }
#ifdef ENABLE_REINDEX_NAILED_RELATIONS #ifdef ENABLE_REINDEX_NAILED_RELATIONS
@ -1603,6 +1614,7 @@ RelationReloadClassinfo(Relation relation)
return; return;
} }
#endif /* ENABLE_REINDEX_NAILED_RELATIONS */ #endif /* ENABLE_REINDEX_NAILED_RELATIONS */
/* -------------------------------- /* --------------------------------
* RelationClearRelation * RelationClearRelation
* *
@ -1611,9 +1623,6 @@ RelationReloadClassinfo(Relation relation)
* usually used when we are notified of a change to an open relation * usually used when we are notified of a change to an open relation
* (one with refcount > 0). However, this routine just does whichever * (one with refcount > 0). However, this routine just does whichever
* it's told to do; callers must determine which they want. * it's told to do; callers must determine which they want.
*
* If we detect a change in the relation's TupleDesc, rules, or triggers
* while rebuilding, we complain unless refcount is 0.
* -------------------------------- * --------------------------------
*/ */
static void static void