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pg_include/access/rewriteheap.h

@@ -0,0 +1,30 @@
+/*-------------------------------------------------------------------------
+ *
+ * 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 */