diff options
Diffstat (limited to 'src/include/executor/executor.h')
| -rw-r--r-- | src/include/executor/executor.h | 189 |
1 files changed, 104 insertions, 85 deletions
diff --git a/src/include/executor/executor.h b/src/include/executor/executor.h index ec7e61a523d..c96f7439b6c 100644 --- a/src/include/executor/executor.h +++ b/src/include/executor/executor.h @@ -1,12 +1,12 @@ /*------------------------------------------------------------------------- * * executor.h-- - * support for the POSTGRES executor module + * support for the POSTGRES executor module * * * Copyright (c) 1994, Regents of the University of California * - * $Id: executor.h,v 1.10 1997/08/22 14:39:33 vadim Exp $ + * $Id: executor.h,v 1.11 1997/09/07 04:57:47 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -26,127 +26,146 @@ /* * prototypes from functions in execAmi.c */ -extern void ExecOpenScanR(Oid relOid, int nkeys, ScanKey skeys, bool isindex, - ScanDirection dir, TimeQual timeRange, - Relation *returnRelation, Pointer *returnScanDesc); -extern void ExecCloseR(Plan *node); -extern void ExecReScan(Plan *node, ExprContext *exprCtxt, Plan *parent); -extern HeapScanDesc ExecReScanR(Relation relDesc, HeapScanDesc scanDesc, - ScanDirection direction, int nkeys, ScanKey skeys); -extern void ExecMarkPos(Plan *node); -extern void ExecRestrPos(Plan *node); +extern void +ExecOpenScanR(Oid relOid, int nkeys, ScanKey skeys, bool isindex, + ScanDirection dir, TimeQual timeRange, + Relation * returnRelation, Pointer * returnScanDesc); +extern void ExecCloseR(Plan * node); +extern void ExecReScan(Plan * node, ExprContext * exprCtxt, Plan * parent); +extern HeapScanDesc +ExecReScanR(Relation relDesc, HeapScanDesc scanDesc, + ScanDirection direction, int nkeys, ScanKey skeys); +extern void ExecMarkPos(Plan * node); +extern void ExecRestrPos(Plan * node); extern Relation ExecCreatR(TupleDesc tupType, Oid relationOid); /* * prototypes from functions in execJunk.c */ -extern JunkFilter *ExecInitJunkFilter(List *targetList); -extern bool ExecGetJunkAttribute(JunkFilter *junkfilter, TupleTableSlot *slot, - char *attrName, Datum *value, bool *isNull); -extern HeapTuple ExecRemoveJunk(JunkFilter *junkfilter, TupleTableSlot *slot); +extern JunkFilter *ExecInitJunkFilter(List * targetList); +extern bool +ExecGetJunkAttribute(JunkFilter * junkfilter, TupleTableSlot * slot, + char *attrName, Datum * value, bool * isNull); +extern HeapTuple ExecRemoveJunk(JunkFilter * junkfilter, TupleTableSlot * slot); /* * prototypes from functions in execMain.c */ -extern TupleDesc ExecutorStart(QueryDesc *queryDesc, EState *estate); -extern TupleTableSlot* ExecutorRun(QueryDesc *queryDesc, EState *estate, int feature, int count); -extern void ExecutorEnd(QueryDesc *queryDesc, EState *estate); -extern HeapTuple ExecConstraints (char *caller, Relation rel, HeapTuple tuple); +extern TupleDesc ExecutorStart(QueryDesc * queryDesc, EState * estate); +extern TupleTableSlot *ExecutorRun(QueryDesc * queryDesc, EState * estate, int feature, int count); +extern void ExecutorEnd(QueryDesc * queryDesc, EState * estate); +extern HeapTuple ExecConstraints(char *caller, Relation rel, HeapTuple tuple); /* * prototypes from functions in execProcnode.c */ -extern bool ExecInitNode(Plan *node, EState *estate, Plan *parent); -extern TupleTableSlot *ExecProcNode(Plan *node, Plan *parent); -extern int ExecCountSlotsNode(Plan *node); -extern void ExecEndNode(Plan *node, Plan *parent); +extern bool ExecInitNode(Plan * node, EState * estate, Plan * parent); +extern TupleTableSlot *ExecProcNode(Plan * node, Plan * parent); +extern int ExecCountSlotsNode(Plan * node); +extern void ExecEndNode(Plan * node, Plan * parent); /* * prototypes from functions in execQual.c */ -extern bool execConstByVal; -extern int execConstLen; +extern bool execConstByVal; +extern int execConstLen; + +extern Datum +ExecExtractResult(TupleTableSlot * slot, AttrNumber attnum, + bool * isNull); +extern Datum +ExecEvalParam(Param * expression, ExprContext * econtext, + bool * isNull); -extern Datum ExecExtractResult(TupleTableSlot *slot, AttrNumber attnum, - bool *isNull); -extern Datum ExecEvalParam(Param *expression, ExprContext *econtext, - bool *isNull); /* stop here */ -extern char *GetAttributeByName(TupleTableSlot *slot, char *attname, - bool *isNull); -extern Datum ExecEvalExpr(Node *expression, ExprContext *econtext, bool *isNull, - bool *isDone); -extern bool ExecQual(List *qual, ExprContext *econtext); -extern int ExecTargetListLength(List *targetlist); -extern TupleTableSlot *ExecProject(ProjectionInfo *projInfo, bool *isDone); +extern char * +GetAttributeByName(TupleTableSlot * slot, char *attname, + bool * isNull); +extern Datum +ExecEvalExpr(Node * expression, ExprContext * econtext, bool * isNull, + bool * isDone); +extern bool ExecQual(List * qual, ExprContext * econtext); +extern int ExecTargetListLength(List * targetlist); +extern TupleTableSlot *ExecProject(ProjectionInfo * projInfo, bool * isDone); /* * prototypes from functions in execScan.c */ -extern TupleTableSlot *ExecScan(Scan *node, TupleTableSlot* (*accessMtd)()); +extern TupleTableSlot *ExecScan(Scan * node, TupleTableSlot * (*accessMtd) ()); /* * prototypes from functions in execTuples.c */ extern TupleTable ExecCreateTupleTable(int initialSize); -extern void ExecDestroyTupleTable(TupleTable table, bool shouldFree); -extern TupleTableSlot* ExecAllocTableSlot(TupleTable table); -extern TupleTableSlot* ExecStoreTuple(HeapTuple tuple, - TupleTableSlot *slot, - Buffer buffer, - bool shouldFree); -extern TupleTableSlot* ExecClearTuple(TupleTableSlot* slot); -extern bool ExecSetSlotPolicy(TupleTableSlot *slot, bool shouldFree); -extern TupleDesc ExecSetSlotDescriptor(TupleTableSlot *slot, - TupleDesc tupdesc); -extern void ExecSetSlotDescriptorIsNew(TupleTableSlot *slot, bool isNew); -extern void ExecIncrSlotBufferRefcnt(TupleTableSlot *slot); -extern bool TupIsNull(TupleTableSlot* slot); -extern void ExecInitResultTupleSlot(EState *estate, CommonState *commonstate); -extern void ExecInitScanTupleSlot(EState *estate, - CommonScanState *commonscanstate); -extern void ExecInitMarkedTupleSlot(EState *estate, MergeJoinState *mergestate); -extern void ExecInitOuterTupleSlot(EState *estate, HashJoinState *hashstate); - -extern TupleDesc ExecGetTupType(Plan *node); -extern TupleDesc ExecTypeFromTL(List *targetList); +extern void ExecDestroyTupleTable(TupleTable table, bool shouldFree); +extern TupleTableSlot *ExecAllocTableSlot(TupleTable table); +extern TupleTableSlot * +ExecStoreTuple(HeapTuple tuple, + TupleTableSlot * slot, + Buffer buffer, + bool shouldFree); +extern TupleTableSlot *ExecClearTuple(TupleTableSlot * slot); +extern bool ExecSetSlotPolicy(TupleTableSlot * slot, bool shouldFree); +extern TupleDesc +ExecSetSlotDescriptor(TupleTableSlot * slot, + TupleDesc tupdesc); +extern void ExecSetSlotDescriptorIsNew(TupleTableSlot * slot, bool isNew); +extern void ExecIncrSlotBufferRefcnt(TupleTableSlot * slot); +extern bool TupIsNull(TupleTableSlot * slot); +extern void ExecInitResultTupleSlot(EState * estate, CommonState * commonstate); +extern void +ExecInitScanTupleSlot(EState * estate, + CommonScanState * commonscanstate); +extern void ExecInitMarkedTupleSlot(EState * estate, MergeJoinState * mergestate); +extern void ExecInitOuterTupleSlot(EState * estate, HashJoinState * hashstate); + +extern TupleDesc ExecGetTupType(Plan * node); +extern TupleDesc ExecTypeFromTL(List * targetList); /* * prototypes from functions in execTuples.c */ -extern void ResetTupleCount(void); -extern void ExecAssignNodeBaseInfo(EState *estate, CommonState *basenode, - Plan *parent); -extern void ExecAssignExprContext(EState *estate, CommonState *commonstate); -extern void ExecAssignResultType(CommonState *commonstate, - TupleDesc tupDesc); -extern void ExecAssignResultTypeFromOuterPlan(Plan *node, - CommonState *commonstate); -extern void ExecAssignResultTypeFromTL(Plan *node, CommonState *commonstate); -extern TupleDesc ExecGetResultType(CommonState *commonstate); -extern void ExecAssignProjectionInfo(Plan *node, CommonState *commonstate); -extern void ExecFreeProjectionInfo(CommonState *commonstate); -extern TupleDesc ExecGetScanType(CommonScanState *csstate); -extern void ExecAssignScanType(CommonScanState *csstate, - TupleDesc tupDesc); -extern void ExecAssignScanTypeFromOuterPlan(Plan *node, - CommonScanState *csstate); +extern void ResetTupleCount(void); +extern void +ExecAssignNodeBaseInfo(EState * estate, CommonState * basenode, + Plan * parent); +extern void ExecAssignExprContext(EState * estate, CommonState * commonstate); +extern void +ExecAssignResultType(CommonState * commonstate, + TupleDesc tupDesc); +extern void +ExecAssignResultTypeFromOuterPlan(Plan * node, + CommonState * commonstate); +extern void ExecAssignResultTypeFromTL(Plan * node, CommonState * commonstate); +extern TupleDesc ExecGetResultType(CommonState * commonstate); +extern void ExecAssignProjectionInfo(Plan * node, CommonState * commonstate); +extern void ExecFreeProjectionInfo(CommonState * commonstate); +extern TupleDesc ExecGetScanType(CommonScanState * csstate); +extern void +ExecAssignScanType(CommonScanState * csstate, + TupleDesc tupDesc); +extern void +ExecAssignScanTypeFromOuterPlan(Plan * node, + CommonScanState * csstate); extern AttributeTupleForm ExecGetTypeInfo(Relation relDesc); -extern void ExecOpenIndices(Oid resultRelationOid, - RelationInfo *resultRelationInfo); -extern void ExecCloseIndices(RelationInfo *resultRelationInfo); -extern void ExecInsertIndexTuples(TupleTableSlot *slot, ItemPointer tupleid, - EState *estate, bool is_update); -extern void resetVarAttrLenForCreateTable(TupleDesc tupType); -extern void setVarAttrLenForCreateTable(TupleDesc tupType, - List *targetList, List *rangeTable); +extern void +ExecOpenIndices(Oid resultRelationOid, + RelationInfo * resultRelationInfo); +extern void ExecCloseIndices(RelationInfo * resultRelationInfo); +extern void +ExecInsertIndexTuples(TupleTableSlot * slot, ItemPointer tupleid, + EState * estate, bool is_update); +extern void resetVarAttrLenForCreateTable(TupleDesc tupType); +extern void +setVarAttrLenForCreateTable(TupleDesc tupType, + List * targetList, List * rangeTable); /* ---------------------------------------------------------------- - * the end + * the end * ---------------------------------------------------------------- */ -#endif /* EXECUTOR_H */ +#endif /* EXECUTOR_H */ |