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Forgot to check page LSN and unlock buffer in btree_xlog_delete - fixed.

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(Thanks to Tatsuo Ishii for finding bug)
This commit is contained in:
Vadim B. Mikheev 2000-11-01 20:39:58 +00:00
parent 961eb5716b
commit 855ffa0be0
1 changed files with 11 additions and 1 deletions
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12
src/backend/access/nbtree/nbtree.c
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.68 2000/10/29 18:33:40 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.69 2000/11/01 20:39:58 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -1018,8 +1018,18 @@ btree_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
if (PageIsNew((PageHeader) page))
elog(STOP, "btree_delete_redo: uninitialized page");
if (XLByteLE(lsn, PageGetLSN(page)))
{
UnlockAndReleaseBuffer(buffer);
return;
}
PageIndexTupleDelete(page, ItemPointerGetOffsetNumber(&(xlrec->target.tid)));
PageSetLSN(page, lsn);
PageSetSUI(page, ThisStartUpID);
UnlockAndWriteBuffer(buffer);
return;
}