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/*-------------------------------------------------------------------------
*
* tqual.h--
* POSTGRES "time" qualification definitions.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: tqual.h,v 1.10 1997/11/02 15:27:14 vadim Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef TQUAL_H
#define TQUAL_H
#include <access/htup.h>
typedef Pointer TimeQual;
/* Tuples valid as of StartTransactionCommand */
#define NowTimeQual ((TimeQual) NULL)
/* As above, plus updates in this command */
extern TimeQual SelfTimeQual;
extern void setheapoverride(bool on);
extern bool heapisoverride(void);
extern bool HeapTupleSatisfiesTimeQual(HeapTuple tuple, TimeQual qual);
#endif /* TQUAL_H */
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