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Use Snapshot in heap access methods.

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This commit is contained in:
Vadim B. Mikheev
1998-07-27 19:38:40 +00:00
parent f7f989c990
commit be8300b18f
54 changed files with 352 additions and 339 deletions
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4
src/backend/access/nbtree/nbtinsert.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.26 1998/06/15 19:27:55 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.27 1998/07/27 19:37:39 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -120,7 +120,7 @@ _bt_doinsert(Relation rel, BTItem btitem, bool index_is_unique, Relation heapRel
{ /* they're equal */
btitem = (BTItem) PageGetItem(page, PageGetItemId(page, offset));
itup = &(btitem->bti_itup);
htup = heap_fetch(heapRel, true, &(itup->t_tid), NULL);
htup = heap_fetch(heapRel, SnapshotSelf, &(itup->t_tid), NULL);
if (htup != (HeapTuple) NULL)
{ /* it is a duplicate */
elog(ERROR, "Cannot insert a duplicate key into a unique index");