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Add a check of HEAP_MARKED_FOR_UPDATE in HeapTupleSatisfiesDirty(). 

This enables unique constraint check in case of SELECT FOR UPDATEd.
This commit is contained in:
Hiroshi Inoue 2000-07-03 04:45:09 +00:00
parent c4f9eaa608
commit 61768d8cac
1 changed files with 5 additions and 1 deletions
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6
src/backend/utils/time/tqual.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.35 2000/01/26 05:57:36 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/time/tqual.c,v 1.36 2000/07/03 04:45:09 inoue Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -441,7 +441,11 @@ HeapTupleSatisfiesDirty(HeapTupleHeader tuple)
} }
if (TransactionIdIsCurrentTransactionId(tuple->t_xmax)) if (TransactionIdIsCurrentTransactionId(tuple->t_xmax))
{
if (tuple->t_infomask & HEAP_MARKED_FOR_UPDATE)
return true;
return false; return false;
}
if (!TransactionIdDidCommit(tuple->t_xmax)) if (!TransactionIdDidCommit(tuple->t_xmax))
{ {