* support for the POSTGRES executor module
*
*
- * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/executor.h
#define EXECUTOR_H
#include "executor/execdesc.h"
+#include "fmgr.h"
+#include "nodes/lockoptions.h"
#include "nodes/parsenodes.h"
-#include "utils/lockwaitpolicy.h"
+#include "utils/memutils.h"
/*
* AfterTriggerBeginQuery/AfterTriggerEndQuery. This does not necessarily
* mean that the plan can't queue any AFTER triggers; just that the caller
* is responsible for there being a trigger context for them to be queued in.
- *
- * WITH/WITHOUT_OIDS tell the executor to emit tuples with or without space
- * for OIDs, respectively. These are currently used only for CREATE TABLE AS.
- * If neither is set, the plan may or may not produce tuples including OIDs.
*/
#define EXEC_FLAG_EXPLAIN_ONLY 0x0001 /* EXPLAIN, no ANALYZE */
#define EXEC_FLAG_REWIND 0x0002 /* need efficient rescan */
#define EXEC_FLAG_BACKWARD 0x0004 /* need backward scan */
#define EXEC_FLAG_MARK 0x0008 /* need mark/restore */
#define EXEC_FLAG_SKIP_TRIGGERS 0x0010 /* skip AfterTrigger calls */
-#define EXEC_FLAG_WITH_OIDS 0x0020 /* force OIDs in returned tuples */
-#define EXEC_FLAG_WITHOUT_OIDS 0x0040 /* force no OIDs in returned tuples */
-#define EXEC_FLAG_WITH_NO_DATA 0x0080 /* rel scannability doesn't matter */
-
-
-/*
- * ExecEvalExpr was formerly a function containing a switch statement;
- * now it's just a macro invoking the function pointed to by an ExprState
- * node. Beware of double evaluation of the ExprState argument!
- */
-#define ExecEvalExpr(expr, econtext, isNull, isDone) \
- ((*(expr)->evalfunc) (expr, econtext, isNull, isDone))
+#define EXEC_FLAG_WITH_NO_DATA 0x0020 /* rel scannability doesn't matter */
/* Hook for plugins to get control in ExecutorStart() */
/* Hook for plugins to get control in ExecutorRun() */
typedef void (*ExecutorRun_hook_type) (QueryDesc *queryDesc,
- ScanDirection direction,
- long count);
+ ScanDirection direction,
+ uint64 count,
+ bool execute_once);
extern PGDLLIMPORT ExecutorRun_hook_type ExecutorRun_hook;
/* Hook for plugins to get control in ExecutorFinish() */
/*
* prototypes from functions in execAmi.c
*/
+struct Path; /* avoid including pathnodes.h here */
+
extern void ExecReScan(PlanState *node);
extern void ExecMarkPos(PlanState *node);
extern void ExecRestrPos(PlanState *node);
-extern bool ExecSupportsMarkRestore(NodeTag plantype);
+extern bool ExecSupportsMarkRestore(struct Path *pathnode);
extern bool ExecSupportsBackwardScan(Plan *node);
extern bool ExecMaterializesOutput(NodeTag plantype);
* prototypes from functions in execCurrent.c
*/
extern bool execCurrentOf(CurrentOfExpr *cexpr,
- ExprContext *econtext,
- Oid table_oid,
- ItemPointer current_tid);
+ ExprContext *econtext,
+ Oid table_oid,
+ ItemPointer current_tid);
/*
* prototypes from functions in execGrouping.c
*/
-extern bool execTuplesMatch(TupleTableSlot *slot1,
- TupleTableSlot *slot2,
- int numCols,
- AttrNumber *matchColIdx,
- FmgrInfo *eqfunctions,
- MemoryContext evalContext);
-extern bool execTuplesUnequal(TupleTableSlot *slot1,
- TupleTableSlot *slot2,
- int numCols,
- AttrNumber *matchColIdx,
- FmgrInfo *eqfunctions,
- MemoryContext evalContext);
-extern FmgrInfo *execTuplesMatchPrepare(int numCols,
- Oid *eqOperators);
+extern ExprState *execTuplesMatchPrepare(TupleDesc desc,
+ int numCols,
+ const AttrNumber *keyColIdx,
+ const Oid *eqOperators,
+ const Oid *collations,
+ PlanState *parent);
extern void execTuplesHashPrepare(int numCols,
- Oid *eqOperators,
- FmgrInfo **eqFunctions,
- FmgrInfo **hashFunctions);
-extern TupleHashTable BuildTupleHashTable(int numCols, AttrNumber *keyColIdx,
- FmgrInfo *eqfunctions,
- FmgrInfo *hashfunctions,
- long nbuckets, Size entrysize,
- MemoryContext tablecxt,
- MemoryContext tempcxt);
+ const Oid *eqOperators,
+ Oid **eqFuncOids,
+ FmgrInfo **hashFunctions);
+extern TupleHashTable BuildTupleHashTable(PlanState *parent,
+ TupleDesc inputDesc,
+ int numCols, AttrNumber *keyColIdx,
+ const Oid *eqfuncoids,
+ FmgrInfo *hashfunctions,
+ Oid *collations,
+ long nbuckets, Size additionalsize,
+ MemoryContext tablecxt,
+ MemoryContext tempcxt, bool use_variable_hash_iv);
+extern TupleHashTable BuildTupleHashTableExt(PlanState *parent,
+ TupleDesc inputDesc,
+ int numCols, AttrNumber *keyColIdx,
+ const Oid *eqfuncoids,
+ FmgrInfo *hashfunctions,
+ Oid *collations,
+ long nbuckets, Size additionalsize,
+ MemoryContext metacxt,
+ MemoryContext tablecxt,
+ MemoryContext tempcxt, bool use_variable_hash_iv);
extern TupleHashEntry LookupTupleHashEntry(TupleHashTable hashtable,
- TupleTableSlot *slot,
- bool *isnew);
+ TupleTableSlot *slot,
+ bool *isnew);
extern TupleHashEntry FindTupleHashEntry(TupleHashTable hashtable,
- TupleTableSlot *slot,
- FmgrInfo *eqfunctions,
- FmgrInfo *hashfunctions);
+ TupleTableSlot *slot,
+ ExprState *eqcomp,
+ FmgrInfo *hashfunctions);
+extern void ResetTupleHashTable(TupleHashTable hashtable);
/*
* prototypes from functions in execJunk.c
*/
-extern JunkFilter *ExecInitJunkFilter(List *targetList, bool hasoid,
- TupleTableSlot *slot);
+extern JunkFilter *ExecInitJunkFilter(List *targetList,
+ TupleTableSlot *slot);
extern JunkFilter *ExecInitJunkFilterConversion(List *targetList,
- TupleDesc cleanTupType,
- TupleTableSlot *slot);
+ TupleDesc cleanTupType,
+ TupleTableSlot *slot);
extern AttrNumber ExecFindJunkAttribute(JunkFilter *junkfilter,
- const char *attrName);
+ const char *attrName);
extern AttrNumber ExecFindJunkAttributeInTlist(List *targetlist,
- const char *attrName);
+ const char *attrName);
extern Datum ExecGetJunkAttribute(TupleTableSlot *slot, AttrNumber attno,
- bool *isNull);
+ bool *isNull);
extern TupleTableSlot *ExecFilterJunk(JunkFilter *junkfilter,
- TupleTableSlot *slot);
+ TupleTableSlot *slot);
/*
extern void ExecutorStart(QueryDesc *queryDesc, int eflags);
extern void standard_ExecutorStart(QueryDesc *queryDesc, int eflags);
extern void ExecutorRun(QueryDesc *queryDesc,
- ScanDirection direction, long count);
+ ScanDirection direction, uint64 count, bool execute_once);
extern void standard_ExecutorRun(QueryDesc *queryDesc,
- ScanDirection direction, long count);
+ ScanDirection direction, uint64 count, bool execute_once);
extern void ExecutorFinish(QueryDesc *queryDesc);
extern void standard_ExecutorFinish(QueryDesc *queryDesc);
extern void ExecutorEnd(QueryDesc *queryDesc);
extern void standard_ExecutorEnd(QueryDesc *queryDesc);
extern void ExecutorRewind(QueryDesc *queryDesc);
extern bool ExecCheckRTPerms(List *rangeTable, bool ereport_on_violation);
-extern void CheckValidResultRel(Relation resultRel, CmdType operation);
+extern void CheckValidResultRel(ResultRelInfo *resultRelInfo, CmdType operation);
extern void InitResultRelInfo(ResultRelInfo *resultRelInfo,
- Relation resultRelationDesc,
- Index resultRelationIndex,
- int instrument_options);
+ Relation resultRelationDesc,
+ Index resultRelationIndex,
+ Relation partition_root,
+ int instrument_options);
extern ResultRelInfo *ExecGetTriggerResultRel(EState *estate, Oid relid);
-extern bool ExecContextForcesOids(PlanState *planstate, bool *hasoids);
+extern void ExecCleanUpTriggerState(EState *estate);
extern void ExecConstraints(ResultRelInfo *resultRelInfo,
- TupleTableSlot *slot, EState *estate);
-extern void ExecWithCheckOptions(ResultRelInfo *resultRelInfo,
- TupleTableSlot *slot, EState *estate);
-extern ExecRowMark *ExecFindRowMark(EState *estate, Index rti);
+ TupleTableSlot *slot, EState *estate);
+extern bool ExecPartitionCheck(ResultRelInfo *resultRelInfo,
+ TupleTableSlot *slot, EState *estate, bool emitError);
+extern void ExecPartitionCheckEmitError(ResultRelInfo *resultRelInfo,
+ TupleTableSlot *slot, EState *estate);
+extern void ExecWithCheckOptions(WCOKind kind, ResultRelInfo *resultRelInfo,
+ TupleTableSlot *slot, EState *estate);
+extern LockTupleMode ExecUpdateLockMode(EState *estate, ResultRelInfo *relinfo);
+extern ExecRowMark *ExecFindRowMark(EState *estate, Index rti, bool missing_ok);
extern ExecAuxRowMark *ExecBuildAuxRowMark(ExecRowMark *erm, List *targetlist);
-extern TupleTableSlot *EvalPlanQual(EState *estate, EPQState *epqstate,
- Relation relation, Index rti, int lockmode,
- ItemPointer tid, TransactionId priorXmax);
-extern HeapTuple EvalPlanQualFetch(EState *estate, Relation relation,
- int lockmode, LockWaitPolicy wait_policy, ItemPointer tid,
- TransactionId priorXmax);
-extern void EvalPlanQualInit(EPQState *epqstate, EState *estate,
- Plan *subplan, List *auxrowmarks, int epqParam);
+extern TupleTableSlot *EvalPlanQual(EPQState *epqstate, Relation relation,
+ Index rti, TupleTableSlot *testslot);
+extern void EvalPlanQualInit(EPQState *epqstate, EState *parentestate,
+ Plan *subplan, List *auxrowmarks, int epqParam);
extern void EvalPlanQualSetPlan(EPQState *epqstate,
- Plan *subplan, List *auxrowmarks);
-extern void EvalPlanQualSetTuple(EPQState *epqstate, Index rti,
- HeapTuple tuple);
-extern HeapTuple EvalPlanQualGetTuple(EPQState *epqstate, Index rti);
+ Plan *subplan, List *auxrowmarks);
+extern TupleTableSlot *EvalPlanQualSlot(EPQState *epqstate,
+ Relation relation, Index rti);
#define EvalPlanQualSetSlot(epqstate, slot) ((epqstate)->origslot = (slot))
-extern void EvalPlanQualFetchRowMarks(EPQState *epqstate);
+extern bool EvalPlanQualFetchRowMark(EPQState *epqstate, Index rti, TupleTableSlot *slot);
extern TupleTableSlot *EvalPlanQualNext(EPQState *epqstate);
-extern void EvalPlanQualBegin(EPQState *epqstate, EState *parentestate);
+extern void EvalPlanQualBegin(EPQState *epqstate);
extern void EvalPlanQualEnd(EPQState *epqstate);
/*
- * prototypes from functions in execProcnode.c
+ * functions in execProcnode.c
*/
extern PlanState *ExecInitNode(Plan *node, EState *estate, int eflags);
-extern TupleTableSlot *ExecProcNode(PlanState *node);
+extern void ExecSetExecProcNode(PlanState *node, ExecProcNodeMtd function);
extern Node *MultiExecProcNode(PlanState *node);
extern void ExecEndNode(PlanState *node);
+extern bool ExecShutdownNode(PlanState *node);
+extern void ExecSetTupleBound(int64 tuples_needed, PlanState *child_node);
+
+
+/* ----------------------------------------------------------------
+ * ExecProcNode
+ *
+ * Execute the given node to return a(nother) tuple.
+ * ----------------------------------------------------------------
+ */
+#ifndef FRONTEND
+static inline TupleTableSlot *
+ExecProcNode(PlanState *node)
+{
+ if (node->chgParam != NULL) /* something changed? */
+ ExecReScan(node); /* let ReScan handle this */
+
+ return node->ExecProcNode(node);
+}
+#endif
/*
- * prototypes from functions in execQual.c
+ * prototypes from functions in execExpr.c
*/
-extern Datum GetAttributeByNum(HeapTupleHeader tuple, AttrNumber attrno,
- bool *isNull);
-extern Datum GetAttributeByName(HeapTupleHeader tuple, const char *attname,
- bool *isNull);
-extern Tuplestorestate *ExecMakeTableFunctionResult(ExprState *funcexpr,
- ExprContext *econtext,
- MemoryContext argContext,
- TupleDesc expectedDesc,
- bool randomAccess);
-extern Datum ExecEvalExprSwitchContext(ExprState *expression, ExprContext *econtext,
- bool *isNull, ExprDoneCond *isDone);
extern ExprState *ExecInitExpr(Expr *node, PlanState *parent);
+extern ExprState *ExecInitExprWithParams(Expr *node, ParamListInfo ext_params);
+extern ExprState *ExecInitQual(List *qual, PlanState *parent);
+extern ExprState *ExecInitCheck(List *qual, PlanState *parent);
+extern List *ExecInitExprList(List *nodes, PlanState *parent);
+extern ExprState *ExecBuildAggTrans(AggState *aggstate, struct AggStatePerPhaseData *phase,
+ bool doSort, bool doHash);
+extern ExprState *ExecBuildGroupingEqual(TupleDesc ldesc, TupleDesc rdesc,
+ const TupleTableSlotOps *lops, const TupleTableSlotOps *rops,
+ int numCols,
+ const AttrNumber *keyColIdx,
+ const Oid *eqfunctions,
+ const Oid *collations,
+ PlanState *parent);
+extern ProjectionInfo *ExecBuildProjectionInfo(List *targetList,
+ ExprContext *econtext,
+ TupleTableSlot *slot,
+ PlanState *parent,
+ TupleDesc inputDesc);
extern ExprState *ExecPrepareExpr(Expr *node, EState *estate);
-extern bool ExecQual(List *qual, ExprContext *econtext, bool resultForNull);
-extern int ExecTargetListLength(List *targetlist);
-extern int ExecCleanTargetListLength(List *targetlist);
-extern TupleTableSlot *ExecProject(ProjectionInfo *projInfo,
- ExprDoneCond *isDone);
+extern ExprState *ExecPrepareQual(List *qual, EState *estate);
+extern ExprState *ExecPrepareCheck(List *qual, EState *estate);
+extern List *ExecPrepareExprList(List *nodes, EState *estate);
+
+/*
+ * ExecEvalExpr
+ *
+ * Evaluate expression identified by "state" in the execution context
+ * given by "econtext". *isNull is set to the is-null flag for the result,
+ * and the Datum value is the function result.
+ *
+ * The caller should already have switched into the temporary memory
+ * context econtext->ecxt_per_tuple_memory. The convenience entry point
+ * ExecEvalExprSwitchContext() is provided for callers who don't prefer to
+ * do the switch in an outer loop.
+ */
+#ifndef FRONTEND
+static inline Datum
+ExecEvalExpr(ExprState *state,
+ ExprContext *econtext,
+ bool *isNull)
+{
+ return state->evalfunc(state, econtext, isNull);
+}
+#endif
+
+/*
+ * ExecEvalExprSwitchContext
+ *
+ * Same as ExecEvalExpr, but get into the right allocation context explicitly.
+ */
+#ifndef FRONTEND
+static inline Datum
+ExecEvalExprSwitchContext(ExprState *state,
+ ExprContext *econtext,
+ bool *isNull)
+{
+ Datum retDatum;
+ MemoryContext oldContext;
+
+ oldContext = MemoryContextSwitchTo(econtext->ecxt_per_tuple_memory);
+ retDatum = state->evalfunc(state, econtext, isNull);
+ MemoryContextSwitchTo(oldContext);
+ return retDatum;
+}
+#endif
+
+/*
+ * ExecProject
+ *
+ * Projects a tuple based on projection info and stores it in the slot passed
+ * to ExecBuildProjectionInfo().
+ *
+ * Note: the result is always a virtual tuple; therefore it may reference
+ * the contents of the exprContext's scan tuples and/or temporary results
+ * constructed in the exprContext. If the caller wishes the result to be
+ * valid longer than that data will be valid, he must call ExecMaterializeSlot
+ * on the result slot.
+ */
+#ifndef FRONTEND
+static inline TupleTableSlot *
+ExecProject(ProjectionInfo *projInfo)
+{
+ ExprContext *econtext = projInfo->pi_exprContext;
+ ExprState *state = &projInfo->pi_state;
+ TupleTableSlot *slot = state->resultslot;
+ bool isnull;
+
+ /*
+ * Clear any former contents of the result slot. This makes it safe for
+ * us to use the slot's Datum/isnull arrays as workspace.
+ */
+ ExecClearTuple(slot);
+
+ /* Run the expression, discarding scalar result from the last column. */
+ (void) ExecEvalExprSwitchContext(state, econtext, &isnull);
+
+ /*
+ * Successfully formed a result row. Mark the result slot as containing a
+ * valid virtual tuple (inlined version of ExecStoreVirtualTuple()).
+ */
+ slot->tts_flags &= ~TTS_FLAG_EMPTY;
+ slot->tts_nvalid = slot->tts_tupleDescriptor->natts;
+
+ return slot;
+}
+#endif
+
+/*
+ * ExecQual - evaluate a qual prepared with ExecInitQual (possibly via
+ * ExecPrepareQual). Returns true if qual is satisfied, else false.
+ *
+ * Note: ExecQual used to have a third argument "resultForNull". The
+ * behavior of this function now corresponds to resultForNull == false.
+ * If you want the resultForNull == true behavior, see ExecCheck.
+ */
+#ifndef FRONTEND
+static inline bool
+ExecQual(ExprState *state, ExprContext *econtext)
+{
+ Datum ret;
+ bool isnull;
+
+ /* short-circuit (here and in ExecInitQual) for empty restriction list */
+ if (state == NULL)
+ return true;
+
+ /* verify that expression was compiled using ExecInitQual */
+ Assert(state->flags & EEO_FLAG_IS_QUAL);
+
+ ret = ExecEvalExprSwitchContext(state, econtext, &isnull);
+
+ /* EEOP_QUAL should never return NULL */
+ Assert(!isnull);
+
+ return DatumGetBool(ret);
+}
+#endif
+
+/*
+ * ExecQualAndReset() - evaluate qual with ExecQual() and reset expression
+ * context.
+ */
+#ifndef FRONTEND
+static inline bool
+ExecQualAndReset(ExprState *state, ExprContext *econtext)
+{
+ bool ret = ExecQual(state, econtext);
+
+ /* inline ResetExprContext, to avoid ordering issue in this file */
+ MemoryContextReset(econtext->ecxt_per_tuple_memory);
+ return ret;
+}
+#endif
+
+extern bool ExecCheck(ExprState *state, ExprContext *context);
+
+/*
+ * prototypes from functions in execSRF.c
+ */
+extern SetExprState *ExecInitTableFunctionResult(Expr *expr,
+ ExprContext *econtext, PlanState *parent);
+extern Tuplestorestate *ExecMakeTableFunctionResult(SetExprState *setexpr,
+ ExprContext *econtext,
+ MemoryContext argContext,
+ TupleDesc expectedDesc,
+ bool randomAccess);
+extern SetExprState *ExecInitFunctionResultSet(Expr *expr,
+ ExprContext *econtext, PlanState *parent);
+extern Datum ExecMakeFunctionResultSet(SetExprState *fcache,
+ ExprContext *econtext,
+ MemoryContext argContext,
+ bool *isNull,
+ ExprDoneCond *isDone);
/*
* prototypes from functions in execScan.c
typedef bool (*ExecScanRecheckMtd) (ScanState *node, TupleTableSlot *slot);
extern TupleTableSlot *ExecScan(ScanState *node, ExecScanAccessMtd accessMtd,
- ExecScanRecheckMtd recheckMtd);
+ ExecScanRecheckMtd recheckMtd);
extern void ExecAssignScanProjectionInfo(ScanState *node);
+extern void ExecAssignScanProjectionInfoWithVarno(ScanState *node, Index varno);
extern void ExecScanReScan(ScanState *node);
/*
* prototypes from functions in execTuples.c
*/
-extern void ExecInitResultTupleSlot(EState *estate, PlanState *planstate);
-extern void ExecInitScanTupleSlot(EState *estate, ScanState *scanstate);
-extern TupleTableSlot *ExecInitExtraTupleSlot(EState *estate);
-extern TupleTableSlot *ExecInitNullTupleSlot(EState *estate,
- TupleDesc tupType);
-extern TupleDesc ExecTypeFromTL(List *targetList, bool hasoid);
-extern TupleDesc ExecCleanTypeFromTL(List *targetList, bool hasoid);
-extern TupleDesc ExecTypeFromExprList(List *exprList, List *namesList);
+extern void ExecInitResultTypeTL(PlanState *planstate);
+extern void ExecInitResultSlot(PlanState *planstate,
+ const TupleTableSlotOps *tts_ops);
+extern void ExecInitResultTupleSlotTL(PlanState *planstate,
+ const TupleTableSlotOps *tts_ops);
+extern void ExecInitScanTupleSlot(EState *estate, ScanState *scanstate,
+ TupleDesc tupleDesc,
+ const TupleTableSlotOps *tts_ops);
+extern TupleTableSlot *ExecInitExtraTupleSlot(EState *estate,
+ TupleDesc tupledesc,
+ const TupleTableSlotOps *tts_ops);
+extern TupleTableSlot *ExecInitNullTupleSlot(EState *estate, TupleDesc tupType,
+ const TupleTableSlotOps *tts_ops);
+extern TupleDesc ExecTypeFromTL(List *targetList);
+extern TupleDesc ExecCleanTypeFromTL(List *targetList);
+extern TupleDesc ExecTypeFromExprList(List *exprList);
+extern void ExecTypeSetColNames(TupleDesc typeInfo, List *namesList);
extern void UpdateChangedParamSet(PlanState *node, Bitmapset *newchg);
typedef struct TupOutputState
} TupOutputState;
extern TupOutputState *begin_tup_output_tupdesc(DestReceiver *dest,
- TupleDesc tupdesc);
+ TupleDesc tupdesc,
+ const TupleTableSlotOps *tts_ops);
extern void do_tup_output(TupOutputState *tstate, Datum *values, bool *isnull);
-extern void do_text_output_multiline(TupOutputState *tstate, char *text);
+extern void do_text_output_multiline(TupOutputState *tstate, const char *txt);
extern void end_tup_output(TupOutputState *tstate);
/*
} while (0)
extern void ExecAssignExprContext(EState *estate, PlanState *planstate);
-extern void ExecAssignResultType(PlanState *planstate, TupleDesc tupDesc);
-extern void ExecAssignResultTypeFromTL(PlanState *planstate);
extern TupleDesc ExecGetResultType(PlanState *planstate);
-extern ProjectionInfo *ExecBuildProjectionInfo(List *targetList,
- ExprContext *econtext,
- TupleTableSlot *slot,
- TupleDesc inputDesc);
+extern const TupleTableSlotOps *ExecGetResultSlotOps(PlanState *planstate,
+ bool *isfixed);
extern void ExecAssignProjectionInfo(PlanState *planstate,
- TupleDesc inputDesc);
+ TupleDesc inputDesc);
+extern void ExecConditionalAssignProjectionInfo(PlanState *planstate,
+ TupleDesc inputDesc, Index varno);
extern void ExecFreeExprContext(PlanState *planstate);
-extern TupleDesc ExecGetScanType(ScanState *scanstate);
extern void ExecAssignScanType(ScanState *scanstate, TupleDesc tupDesc);
-extern void ExecAssignScanTypeFromOuterPlan(ScanState *scanstate);
+extern void ExecCreateScanSlotFromOuterPlan(EState *estate,
+ ScanState *scanstate,
+ const TupleTableSlotOps *tts_ops);
extern bool ExecRelationIsTargetRelation(EState *estate, Index scanrelid);
extern Relation ExecOpenScanRelation(EState *estate, Index scanrelid, int eflags);
-extern void ExecCloseScanRelation(Relation scanrel);
-extern void ExecOpenIndices(ResultRelInfo *resultRelInfo);
-extern void ExecCloseIndices(ResultRelInfo *resultRelInfo);
-extern List *ExecInsertIndexTuples(TupleTableSlot *slot, ItemPointer tupleid,
- EState *estate);
-extern bool check_exclusion_constraint(Relation heap, Relation index,
- IndexInfo *indexInfo,
- ItemPointer tupleid,
- Datum *values, bool *isnull,
- EState *estate,
- bool newIndex, bool errorOK);
+extern void ExecInitRangeTable(EState *estate, List *rangeTable);
+
+static inline RangeTblEntry *
+exec_rt_fetch(Index rti, EState *estate)
+{
+ return (RangeTblEntry *) list_nth(estate->es_range_table, rti - 1);
+}
+
+extern Relation ExecGetRangeTableRelation(EState *estate, Index rti);
+
+extern int executor_errposition(EState *estate, int location);
extern void RegisterExprContextCallback(ExprContext *econtext,
- ExprContextCallbackFunction function,
- Datum arg);
+ ExprContextCallbackFunction function,
+ Datum arg);
extern void UnregisterExprContextCallback(ExprContext *econtext,
- ExprContextCallbackFunction function,
- Datum arg);
+ ExprContextCallbackFunction function,
+ Datum arg);
+
+extern Datum GetAttributeByName(HeapTupleHeader tuple, const char *attname,
+ bool *isNull);
+extern Datum GetAttributeByNum(HeapTupleHeader tuple, AttrNumber attrno,
+ bool *isNull);
+
+extern int ExecTargetListLength(List *targetlist);
+extern int ExecCleanTargetListLength(List *targetlist);
+
+extern TupleTableSlot *ExecGetTriggerOldSlot(EState *estate, ResultRelInfo *relInfo);
+extern TupleTableSlot *ExecGetTriggerNewSlot(EState *estate, ResultRelInfo *relInfo);
+extern TupleTableSlot *ExecGetReturningSlot(EState *estate, ResultRelInfo *relInfo);
-#endif /* EXECUTOR_H */
+/*
+ * prototypes from functions in execIndexing.c
+ */
+extern void ExecOpenIndices(ResultRelInfo *resultRelInfo, bool speculative);
+extern void ExecCloseIndices(ResultRelInfo *resultRelInfo);
+extern List *ExecInsertIndexTuples(TupleTableSlot *slot, EState *estate, bool noDupErr,
+ bool *specConflict, List *arbiterIndexes);
+extern bool ExecCheckIndexConstraints(TupleTableSlot *slot, EState *estate,
+ ItemPointer conflictTid, List *arbiterIndexes);
+extern void check_exclusion_constraint(Relation heap, Relation index,
+ IndexInfo *indexInfo,
+ ItemPointer tupleid,
+ Datum *values, bool *isnull,
+ EState *estate, bool newIndex);
+
+/*
+ * prototypes from functions in execReplication.c
+ */
+extern bool RelationFindReplTupleByIndex(Relation rel, Oid idxoid,
+ LockTupleMode lockmode,
+ TupleTableSlot *searchslot,
+ TupleTableSlot *outslot);
+extern bool RelationFindReplTupleSeq(Relation rel, LockTupleMode lockmode,
+ TupleTableSlot *searchslot, TupleTableSlot *outslot);
+
+extern void ExecSimpleRelationInsert(EState *estate, TupleTableSlot *slot);
+extern void ExecSimpleRelationUpdate(EState *estate, EPQState *epqstate,
+ TupleTableSlot *searchslot, TupleTableSlot *slot);
+extern void ExecSimpleRelationDelete(EState *estate, EPQState *epqstate,
+ TupleTableSlot *searchslot);
+extern void CheckCmdReplicaIdentity(Relation rel, CmdType cmd);
+
+extern void CheckSubscriptionRelkind(char relkind, const char *nspname,
+ const char *relname);
+
+#endif /* EXECUTOR_H */