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/*-------------------------------------------------------------------------
*
* nodeIndexscan.h
*
*
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/nodeIndexscan.h
*
*-------------------------------------------------------------------------
*/
#ifndef NODEINDEXSCAN_H
#define NODEINDEXSCAN_H
#include "nodes/execnodes.h"
extern IndexScanState *ExecInitIndexScan(IndexScan *node, EState *estate, int eflags);
extern TupleTableSlot *ExecIndexScan(IndexScanState *node);
extern void ExecEndIndexScan(IndexScanState *node);
extern void ExecIndexMarkPos(IndexScanState *node);
extern void ExecIndexRestrPos(IndexScanState *node);
extern void ExecReScanIndexScan(IndexScanState *node);
/*
* These routines are exported to share code with nodeIndexonlyscan.c and
* nodeBitmapIndexscan.c
*/
extern void ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
List *quals, bool isorderby,
ScanKey *scanKeys, int *numScanKeys,
IndexRuntimeKeyInfo **runtimeKeys, int *numRuntimeKeys,
IndexArrayKeyInfo **arrayKeys, int *numArrayKeys);
extern void ExecIndexEvalRuntimeKeys(ExprContext *econtext,
IndexRuntimeKeyInfo *runtimeKeys, int numRuntimeKeys);
extern bool ExecIndexEvalArrayKeys(ExprContext *econtext,
IndexArrayKeyInfo *arrayKeys, int numArrayKeys);
extern bool ExecIndexAdvanceArrayKeys(IndexArrayKeyInfo *arrayKeys, int numArrayKeys);
#endif /* NODEINDEXSCAN_H */
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