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Debug stuff added to BlowawayRelationBuffers().

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This commit is contained in:
Vadim B. Mikheev 1997-10-22 19:04:43 +00:00
parent bd305f3f06
commit eca199d7b0
1 changed files with 16 additions and 1 deletions
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17
src/backend/storage/buffer/bufmgr.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.27 1997/10/12 07:12:02 vadim Exp $ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.28 1997/10/22 19:04:43 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1631,9 +1631,18 @@ BlowawayRelationBuffers(Relation rdesc, BlockNumber block)
buf->tag.blockNum >= block) buf->tag.blockNum >= block)
{ {
if (buf->flags & BM_DIRTY) if (buf->flags & BM_DIRTY)
{
elog (NOTICE, "BlowawayRelationBuffers(%s (local), %u): block %u is dirty",
rdesc->rd_rel->relname.data, block, buf->tag.blockNum);
return (-1); return (-1);
}
if (LocalRefCount[i] > 0) if (LocalRefCount[i] > 0)
{
elog (NOTICE, "BlowawayRelationBuffers(%s (local), %u): block %u is referenced (%d)",
rdesc->rd_rel->relname.data, block,
buf->tag.blockNum, LocalRefCount[i]);
return (-2); return (-2);
}
buf->tag.relId.relId = InvalidOid; buf->tag.relId.relId = InvalidOid;
} }
} }
@ -1650,11 +1659,17 @@ BlowawayRelationBuffers(Relation rdesc, BlockNumber block)
{ {
if (buf->flags & BM_DIRTY) if (buf->flags & BM_DIRTY)
{ {
elog (NOTICE, "BlowawayRelationBuffers(%s, %u): block %u is dirty (private %d, last %d, global %d)",
buf->sb_relname, block, buf->tag.blockNum,
PrivateRefCount[i], LastRefCount[i], buf->refcount);
SpinRelease(BufMgrLock); SpinRelease(BufMgrLock);
return (-1); return (-1);
} }
if (!(buf->flags & BM_FREE)) if (!(buf->flags & BM_FREE))
{ {
elog (NOTICE, "BlowawayRelationBuffers(%s, %u): block %u is referenced (private %d, last %d, global %d)",
buf->sb_relname, block, buf->tag.blockNum,
PrivateRefCount[i], LastRefCount[i], buf->refcount);
SpinRelease(BufMgrLock); SpinRelease(BufMgrLock);
return (-2); return (-2);
} }