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[postgresql] / src / include / executor / nodeHashjoin.h
1 /*-------------------------------------------------------------------------
2  *
3  * nodeHashjoin.h
4  *        prototypes for nodeHashjoin.c
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/nodeHashjoin.h,v 1.37 2008/01/01 19:45:57 momjian Exp $
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef NODEHASHJOIN_H
15 #define NODEHASHJOIN_H
16
17 #include "nodes/execnodes.h"
18 #include "storage/buffile.h"
19
20 extern int      ExecCountSlotsHashJoin(HashJoin *node);
21 extern HashJoinState *ExecInitHashJoin(HashJoin *node, EState *estate, int eflags);
22 extern TupleTableSlot *ExecHashJoin(HashJoinState *node);
23 extern void ExecEndHashJoin(HashJoinState *node);
24 extern void ExecReScanHashJoin(HashJoinState *node, ExprContext *exprCtxt);
25
26 extern void ExecHashJoinSaveTuple(MinimalTuple tuple, uint32 hashvalue,
27                                           BufFile **fileptr);
28
29 #endif   /* NODEHASHJOIN_H */