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/*-------------------------------------------------------------------------
*
* heapvalid.c
* heap tuple qualification validity checking code
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.23 1999/02/13 23:14:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#include <postgres.h>
#include <access/valid.h>
#include <access/xact.h>
/*
* TupleUpdatedByCurXactAndCmd() -- Returns true if this tuple has
* already been updated once by the current transaction/command
* pair.
*/
bool
TupleUpdatedByCurXactAndCmd(HeapTuple t)
{
if (TransactionIdEquals(t->t_data->t_xmax,
GetCurrentTransactionId()) &&
CommandIdGEScanCommandId(t->t_data->t_cmax))
return true;
return false;
}
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