aboutsummaryrefslogtreecommitdiff
path: root/src/backend/utils
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/utils')
-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 7e073610900..a6257ab3303 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 1.70.2.1 2005/05/07 21:23:02 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.70.2.2 2005/08/25 22:07:19 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -972,10 +972,13 @@ 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))