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| Current File : //usr/local/include/postgresql/server/executor/nodeIndexscan.h |
/*------------------------------------------------------------------------- * * nodeIndexscan.h * * * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $PostgreSQL: pgsql/src/include/executor/nodeIndexscan.h,v 1.31 2008/01/01 19:45:57 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, List *quals, List *strategies, List *subtypes, 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 */