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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 2000-10-18 05:50:16 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 2000-10-18 05:50:16 +0000 |
| commit | 2e6358172fe6c6927388528ea0ae935840dfe1c3 (patch) | |
| tree | f373423d41d5bb3825df3106e12e75625be1ccd1 /src/backend/storage/buffer/localbuf.c | |
| parent | 8b6b414a5e112554f08394a0f814088e625cd191 (diff) | |
| download | postgresql-2e6358172fe6c6927388528ea0ae935840dfe1c3.tar.gz postgresql-2e6358172fe6c6927388528ea0ae935840dfe1c3.zip | |
I had to change buffer tag: now RelFileNode is used instead of
LockRelId - ie physical information, not logical. It's required
for WAL. Regression tests passed.
Diffstat (limited to 'src/backend/storage/buffer/localbuf.c')
| -rw-r--r-- | src/backend/storage/buffer/localbuf.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c index 91eff97f264..3cb8f572b89 100644 --- a/src/backend/storage/buffer/localbuf.c +++ b/src/backend/storage/buffer/localbuf.c @@ -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; } |