PAL.C.T MINI SHELL
/*-------------------------------------------------------------------------
*
* nodeIndexscan.h
*
*
*
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/executor/nodeIndexscan.h,v 1.34 2009/01/01 17:23:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef NODEINDEXSCAN_H
#define NODEINDEXSCAN_H
#include "nodes/execnodes.h"
extern int ExecCountSlotsIndexScan(IndexScan *node);
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 ExecIndexReScan(IndexScanState *node, ExprContext *exprCtxt);
/* routines exported to share code with nodeBitmapIndexscan.c */
extern void ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
Index scanrelid,
List *quals, 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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