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I had to change buffer tag: now RelFileNode is used instead of

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LockRelId - ie physical information, not logical. It's required
for WAL. Regression tests passed.
This commit is contained in:
Vadim B. Mikheev
2000-10-18 05:50:16 +00:00
parent 8b6b414a5e
commit 2e6358172f
6 changed files with 156 additions and 243 deletions
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21
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 1.30 2000/04/12 17:15:34 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.31 2000/10/18 05:50:15 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -60,7 +60,8 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
/* a low tech search for now -- not optimized for scans */
for (i = 0; i < NLocBuffer; i++)
{
if (LocalBufferDescriptors[i].tag.relId.relId == RelationGetRelid(reln) &&
if (LocalBufferDescriptors[i].tag.rnode.relNode ==
reln->rd_node.relNode &&
LocalBufferDescriptors[i].tag.blockNum == blockNum)
{
@ -102,7 +103,7 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
*/
if (bufHdr->flags & BM_DIRTY)
{
Relation bufrel = RelationIdCacheGetRelation(bufHdr->tag.relId.relId);
Relation bufrel = RelationIdCacheGetRelation(bufHdr->relId.relId);
Assert(bufrel != NULL);
@ -120,9 +121,13 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
/*
* it's all ours now.
*
* We need not in tblNode currently but will in future I think,
* when we'll give up rel->rd_fd to fmgr cache.
*/
bufHdr->tag.relId.relId = RelationGetRelid(reln);
bufHdr->tag.rnode = reln->rd_node;
bufHdr->tag.blockNum = blockNum;
bufHdr->relId = reln->rd_lockInfo.lockRelId;
bufHdr->flags &= ~BM_DIRTY;
/*
@ -187,7 +192,7 @@ FlushLocalBuffer(Buffer buffer, bool release)
bufid = -(buffer + 1);
bufHdr = &LocalBufferDescriptors[bufid];
bufHdr->flags &= ~BM_DIRTY;
bufrel = RelationIdCacheGetRelation(bufHdr->tag.relId.relId);
bufrel = RelationIdCacheGetRelation(bufHdr->relId.relId);
Assert(bufrel != NULL);
smgrflush(DEFAULT_SMGR, bufrel, bufHdr->tag.blockNum,
@ -263,7 +268,7 @@ LocalBufferSync(void)
#ifdef LBDEBUG
fprintf(stderr, "LB SYNC %d\n", -i - 1);
#endif
bufrel = RelationIdCacheGetRelation(buf->tag.relId.relId);
bufrel = RelationIdCacheGetRelation(buf->relId.relId);
Assert(bufrel != NULL);
@ -274,7 +279,7 @@ LocalBufferSync(void)
/* drop relcache refcount from RelationIdCacheGetRelation */
RelationDecrementReferenceCount(bufrel);
buf->tag.relId.relId = InvalidOid;
buf->relId.relId = InvalidOid;
buf->flags &= ~BM_DIRTY;
}
}
@ -292,7 +297,7 @@ ResetLocalBufferPool(void)
{
BufferDesc *buf = &LocalBufferDescriptors[i];
buf->tag.relId.relId = InvalidOid;
buf->tag.rnode.relNode = InvalidOid;
buf->flags &= ~BM_DIRTY;
buf->buf_id = -i - 2;
}