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/*-------------------------------------------------------------------------
*
* nodeIndexscan.h
*
*
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/nodeIndexscan.h,v 1.24 2005/10/15 02:49:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEINDEXSCAN_H
#define NODEINDEXSCAN_H
#include "nodes/execnodes.h"
extern int ExecCountSlotsIndexScan(IndexScan *node);
extern IndexScanState *ExecInitIndexScan(IndexScan *node, EState *estate);
extern TupleTableSlot *ExecIndexScan(IndexScanState *node);
extern void ExecEndIndexScan(IndexScanState *node);
extern void ExecIndexMarkPos(IndexScanState *node);
extern void ExecIndexRestrPos(IndexScanState *node);
extern void ExecIndexReScan(IndexScanState *node, ExprContext *exprCtxt);
/* routines exported to share code with nodeBitmapIndexscan.c */
extern bool ExecIndexBuildScanKeys(PlanState *planstate, List *quals,
List *strategies, List *subtypes,
ExprState ***runtimeKeyInfo,
ScanKey *scanKeys, int *numScanKeys);
extern void ExecIndexEvalRuntimeKeys(ExprContext *econtext,
ExprState **run_keys,
ScanKey scan_keys,
int n_keys);
#endif /* NODEINDEXSCAN_H */
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