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Code Activity

New relcache hash table with RelFileNode as key to be used

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from bufmgr - it would be nice to have separate hash in smgr
for node <--> fd mappings, but for the moment it's easy to
add new hash to relcache.
Fixed small bug in xlog.c:ReadRecord.
This commit is contained in:
Vadim B. Mikheev
2000-10-23 04:10:24 +00:00
parent c82c9559a7
commit 4b65a2840b
8 changed files with 114 additions and 101 deletions
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10
src/backend/storage/buffer/localbuf.c
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@@ -16,7 +16,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.31 2000/10/18 05:50:15 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.32 2000/10/23 04:10:06 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -103,7 +103,7 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
*/
if (bufHdr->flags & BM_DIRTY)
{
Relation bufrel = RelationIdCacheGetRelation(bufHdr->relId.relId);
Relation bufrel = RelationNodeCacheGetRelation(bufHdr->tag.rnode);
Assert(bufrel != NULL);
@@ -127,7 +127,6 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
*/
bufHdr->tag.rnode = reln->rd_node;
bufHdr->tag.blockNum = blockNum;
bufHdr->relId = reln->rd_lockInfo.lockRelId;
bufHdr->flags &= ~BM_DIRTY;
/*
@@ -192,7 +191,7 @@ FlushLocalBuffer(Buffer buffer, bool release)
bufid = -(buffer + 1);
bufHdr = &LocalBufferDescriptors[bufid];
bufHdr->flags &= ~BM_DIRTY;
bufrel = RelationIdCacheGetRelation(bufHdr->relId.relId);
bufrel = RelationNodeCacheGetRelation(bufHdr->tag.rnode);
Assert(bufrel != NULL);
smgrflush(DEFAULT_SMGR, bufrel, bufHdr->tag.blockNum,
@@ -268,7 +267,7 @@ LocalBufferSync(void)
#ifdef LBDEBUG
fprintf(stderr, "LB SYNC %d\n", -i - 1);
#endif
bufrel = RelationIdCacheGetRelation(buf->relId.relId);
bufrel = RelationNodeCacheGetRelation(buf->tag.rnode);
Assert(bufrel != NULL);
@@ -279,7 +278,6 @@ LocalBufferSync(void)
/* drop relcache refcount from RelationIdCacheGetRelation */
RelationDecrementReferenceCount(bufrel);
buf->relId.relId = InvalidOid;
buf->flags &= ~BM_DIRTY;
}
}