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-rw-r--r--src/backend/access/heap/heapam.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index 6d3528323bf..eb9f8701ae1 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.262 2008/08/11 11:05:10 heikki Exp $
+ * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.263 2008/09/11 14:01:09 alvherre Exp $
*
*
* INTERFACE ROUTINES
@@ -219,6 +219,7 @@ heapgetpage(HeapScanDesc scan, BlockNumber page)
/*
* Prune and repair fragmentation for the whole page, if possible.
*/
+ Assert(TransactionIdIsValid(RecentGlobalXmin));
heap_page_prune_opt(scan->rs_rd, buffer, RecentGlobalXmin);
/*
@@ -1469,6 +1470,8 @@ heap_hot_search_buffer(ItemPointer tid, Buffer buffer, Snapshot snapshot,
if (all_dead)
*all_dead = true;
+ Assert(TransactionIdIsValid(RecentGlobalXmin));
+
Assert(ItemPointerGetBlockNumber(tid) == BufferGetBlockNumber(buffer));
offnum = ItemPointerGetOffsetNumber(tid);
at_chain_start = true;