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/*-------------------------------------------------------------------------
*
* visibilitymap.h
* visibility map interface
*
*
* Portions Copyright (c) 2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/visibilitymap.h,v 1.2 2008/12/12 22:56:00 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef VISIBILITYMAP_H
#define VISIBILITYMAP_H
#include "utils/relcache.h"
#include "storage/buf.h"
#include "storage/itemptr.h"
#include "access/xlogdefs.h"
extern void visibilitymap_clear(Relation rel, BlockNumber heapBlk);
extern void visibilitymap_pin(Relation rel, BlockNumber heapBlk,
Buffer *vmbuf);
extern void visibilitymap_set(Relation rel, BlockNumber heapBlk,
XLogRecPtr recptr, Buffer *vmbuf);
extern bool visibilitymap_test(Relation rel, BlockNumber heapBlk, Buffer *vmbuf);
extern void visibilitymap_truncate(Relation rel, BlockNumber heapblk);
#endif /* VISIBILITYMAP_H */
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