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Commit855ffa0

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Forgot to check page LSN and unlock buffer in btree_xlog_delete - fixed.
(Thanks to Tatsuo Ishii for finding bug)
1 parent961eb57 commit855ffa0

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‎src/backend/access/nbtree/nbtree.c

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
15-
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.68 2000/10/29 18:33:40 vadim Exp $
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* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtree.c,v 1.69 2000/11/01 20:39:58 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -1018,8 +1018,18 @@ btree_xlog_delete(bool redo, XLogRecPtr lsn, XLogRecord *record)
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if (PageIsNew((PageHeader)page))
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elog(STOP,"btree_delete_redo: uninitialized page");
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1021+
if (XLByteLE(lsn,PageGetLSN(page)))
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{
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UnlockAndReleaseBuffer(buffer);
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return;
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}
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PageIndexTupleDelete(page,ItemPointerGetOffsetNumber(&(xlrec->target.tid)));
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1029+
PageSetLSN(page,lsn);
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PageSetSUI(page,ThisStartUpID);
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UnlockAndWriteBuffer(buffer);
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return;
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}
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