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  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2011-05-11 10:41:53 UTC
  • Revision ID: james.westby@ubuntu.com-20110511104153-psbh2o58553fv1m0
Tags: upstream-9.1~beta1
ImportĀ upstreamĀ versionĀ 9.1~beta1

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/*-------------------------------------------------------------------------
 
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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 */