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30 lines
1,016 B
C
30 lines
1,016 B
C
/*-------------------------------------------------------------------------
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*
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* rewriteheap.h
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* Declarations for heap rewrite support functions
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*
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* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994-5, Regents of the University of California
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*
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* src/include/access/rewriteheap.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef REWRITE_HEAP_H
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#define REWRITE_HEAP_H
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#include "access/htup.h"
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#include "utils/relcache.h"
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/* struct definition is private to rewriteheap.c */
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typedef struct RewriteStateData *RewriteState;
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extern RewriteState begin_heap_rewrite(Relation NewHeap,
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TransactionId OldestXmin, TransactionId FreezeXid,
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bool use_wal);
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extern void end_heap_rewrite(RewriteState state);
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extern void rewrite_heap_tuple(RewriteState state, HeapTuple oldTuple,
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HeapTuple newTuple);
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extern bool rewrite_heap_dead_tuple(RewriteState state, HeapTuple oldTuple);
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#endif /* REWRITE_HEAP_H */
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