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-rw-r--r--src/backend/utils/time/tqual.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/backend/utils/time/tqual.c b/src/backend/utils/time/tqual.c
index fb9323d9e86..25e7af0872f 100644
--- a/src/backend/utils/time/tqual.c
+++ b/src/backend/utils/time/tqual.c
@@ -30,7 +30,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.61.2.1 2005/05/07 21:23:24 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.61.2.2 2005/08/26 20:07:17 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -931,10 +931,13 @@ HeapTupleSatisfiesVacuum(HeapTupleHeader tuple, TransactionId OldestXmin)
HeapTupleHeaderGetXmax(tuple)))
{
/*
- * inserter also deleted it, so it was never visible to anyone
- * else
+ * Inserter also deleted it, so it was never visible to anyone
+ * else. However, we can only remove it early if it's not an
+ * updated tuple; else its parent tuple is linking to it via t_ctid,
+ * and this tuple mustn't go away before the parent does.
*/
- return HEAPTUPLE_DEAD;
+ if (!(tuple->t_infomask & HEAP_UPDATED))
+ return HEAPTUPLE_DEAD;
}
if (!TransactionIdPrecedes(HeapTupleHeaderGetXmax(tuple), OldestXmin))