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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 */