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Phase 1 of fix for 'SMgrRelation hashtable corrupted' problem. This

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is the minimum required fix.  I want to look next at taking advantage of
it by simplifying the message semantics in the shared inval message queue,
but that part can be held over for 8.1 if it turns out too ugly.
This commit is contained in:
Tom Lane
2005-01-10 20:02:24 +00:00
parent cc7cd8774a
commit 0ce4d56924
14 changed files with 121 additions and 107 deletions
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10
src/backend/catalog/index.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.243 2004/12/31 21:59:38 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.244 2005/01/10 20:02:19 tgl Exp $
*
*
* INTERFACE ROUTINES
@@ -780,11 +780,9 @@ index_drop(Oid indexId)
*/
FlushRelationBuffers(userIndexRelation, (BlockNumber) 0);
if (userIndexRelation->rd_smgr == NULL)
userIndexRelation->rd_smgr = smgropen(userIndexRelation->rd_node);
RelationOpenSmgr(userIndexRelation);
smgrscheduleunlink(userIndexRelation->rd_smgr,
userIndexRelation->rd_istemp);
userIndexRelation->rd_smgr = NULL;
/*
* Close and flush the index's relcache entry, to ensure relcache
@@ -1133,10 +1131,8 @@ setNewRelfilenode(Relation relation)
smgrclose(srel);
/* schedule unlinking old relfilenode */
if (relation->rd_smgr == NULL)
relation->rd_smgr = smgropen(relation->rd_node);
RelationOpenSmgr(relation);
smgrscheduleunlink(relation->rd_smgr, relation->rd_istemp);
relation->rd_smgr = NULL;
/* update the pg_class row */
rd_rel->relfilenode = newrelfilenode;