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[postgresql] / src / include / executor / nodeMergejoin.h
1 /*-------------------------------------------------------------------------
2  *
3  * nodeMergejoin.h
4  *
5  *
6  *
7  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * $PostgreSQL: pgsql/src/include/executor/nodeMergejoin.h,v 1.26 2008/01/01 19:45:57 momjian Exp $
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef NODEMERGEJOIN_H
15 #define NODEMERGEJOIN_H
16
17 #include "nodes/execnodes.h"
18
19 extern int      ExecCountSlotsMergeJoin(MergeJoin *node);
20 extern MergeJoinState *ExecInitMergeJoin(MergeJoin *node, EState *estate, int eflags);
21 extern TupleTableSlot *ExecMergeJoin(MergeJoinState *node);
22 extern void ExecEndMergeJoin(MergeJoinState *node);
23 extern void ExecReScanMergeJoin(MergeJoinState *node, ExprContext *exprCtxt);
24
25 #endif   /* NODEMERGEJOIN_H */