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/*------------------------------------------------------------------------- * * rewriteheap.h * Declarations for heap rewrite support functions * * Portions Copyright (c) 1996-2012, 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, 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 */