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/*-------------------------------------------------------------------------
*
* rewriteheap.h
* Declarations for heap rewrite support functions
*
* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* src/include/access/rewriteheap.h
*
*-------------------------------------------------------------------------
*/
#ifndef REWRITE_HEAP_H
#define REWRITE_HEAP_H
#include "access/htup.h"
#include "utils/relcache.h"
/* struct definition is private to rewriteheap.c */
typedef struct RewriteStateData *RewriteState;
extern RewriteState begin_heap_rewrite(Relation NewHeap,
TransactionId OldestXmin, TransactionId FreezeXid,
MultiXactId MultiXactFrzLimit, bool use_wal);
extern void end_heap_rewrite(RewriteState state);
extern void rewrite_heap_tuple(RewriteState state, HeapTuple oldTuple,
HeapTuple newTuple);
extern bool rewrite_heap_dead_tuple(RewriteState state, HeapTuple oldTuple);
#endif /* REWRITE_HEAP_H */
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