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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-05 22:48:10 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-05 22:48:10 +0000 |
| commit | 500677c40fab730eaf6940b2f1ddd6152b3dfc29 (patch) | |
| tree | 9de1a261e8844434430ebd8f1537b3758f416af4 | |
| parent | 0e98ae22d3d49e6fbf53f9d7f8a6806f5d27d09a (diff) | |
| download | postgresql-500677c40fab730eaf6940b2f1ddd6152b3dfc29.tar.gz postgresql-500677c40fab730eaf6940b2f1ddd6152b3dfc29.zip | |
localbuf.c must be able to do blind writes.
| -rw-r--r-- | src/backend/storage/buffer/localbuf.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c index 5f4033b583e..8e439c04ce6 100644 --- a/src/backend/storage/buffer/localbuf.c +++ b/src/backend/storage/buffer/localbuf.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.46 2002/09/04 20:31:25 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/buffer/localbuf.c,v 1.46.2.1 2002/12/05 22:48:10 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -90,19 +90,24 @@ LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr) { Relation bufrel = RelationNodeCacheGetRelation(bufHdr->tag.rnode); - /* - * The relcache is not supposed to throw away temp rels, so this - * should always succeed. - */ - Assert(bufrel != NULL); - /* flush this page */ - smgrwrite(DEFAULT_SMGR, bufrel, bufHdr->tag.blockNum, - (char *) MAKE_PTR(bufHdr->data)); - LocalBufferFlushCount++; + if (bufrel == (Relation) NULL) + { + smgrblindwrt(DEFAULT_SMGR, + bufHdr->tag.rnode, + bufHdr->tag.blockNum, + (char *) MAKE_PTR(bufHdr->data)); + } + else + { + smgrwrite(DEFAULT_SMGR, bufrel, + bufHdr->tag.blockNum, + (char *) MAKE_PTR(bufHdr->data)); + /* drop refcount incremented by RelationNodeCacheGetRelation */ + RelationDecrementReferenceCount(bufrel); + } - /* drop refcount incremented by RelationNodeCacheGetRelation */ - RelationDecrementReferenceCount(bufrel); + LocalBufferFlushCount++; } /* |