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Fix longstanding bug found by Atsushi Ogawa: _bt_check_unique would mark
the wrong buffer dirty when trying to kill a dead index entry that's on a page after the one it started on. No risk of data corruption, just inefficiency, but still a bug.
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@ -8,7 +8,7 @@
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*
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*
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*
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*
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* IDENTIFICATION
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.125 2005/09/24 22:54:35 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.126 2005/10/12 17:18:03 tgl Exp $
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*
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*
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*-------------------------------------------------------------------------
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*-------------------------------------------------------------------------
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*/
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*/
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@ -261,7 +261,10 @@ _bt_check_unique(Relation rel, BTItem btitem, Relation heapRel,
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hbuffer) == HEAPTUPLE_DEAD)
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hbuffer) == HEAPTUPLE_DEAD)
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{
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{
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curitemid->lp_flags |= LP_DELETE;
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curitemid->lp_flags |= LP_DELETE;
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SetBufferCommitInfoNeedsSave(buf);
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if (nbuf != InvalidBuffer)
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SetBufferCommitInfoNeedsSave(nbuf);
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else
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SetBufferCommitInfoNeedsSave(buf);
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}
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}
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LockBuffer(hbuffer, BUFFER_LOCK_UNLOCK);
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LockBuffer(hbuffer, BUFFER_LOCK_UNLOCK);
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}
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}
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