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!2363 执行器优化

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Merge pull request !2363 from wanghao19920907/PR_2101
This commit is contained in:
opengauss-bot
2023-02-21 08:38:07 +00:00
committed by Gitee
parent e08956f596 cbb5b4fe37
commit d1c46bb20f
77 changed files with 378 additions and 515 deletions
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43
src/include/executor/executor.h
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@ -252,10 +252,9 @@ extern void EvalPlanQualBegin(EPQState* epqstate, EState* parentestate, bool isU
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 Node* MultiExecProcNode(PlanState* node);
extern void ExecEndNode(PlanState* node);
extern bool NeedStubExecution(Plan* plan);
@ -263,6 +262,46 @@ extern TupleTableSlot* FetchPlanSlot(PlanState* subPlanState, ProjectionInfo** p
extern long ExecGetPlanMemCost(Plan* node);
/* ----------------------------------------------------------------
* ExecProcNode
*
* Execute the given node to return a(nother) tuple.
* ----------------------------------------------------------------
*/
#ifndef FRONTEND
#ifndef ENABLE_MULTIPLE_NODES
static inline TupleTableSlot *ExecProcNode(PlanState *node)
{
TupleTableSlot* result;
Assert(node->ExecProcNode);
if (unlikely(node->nodeContext)) {
MemoryContext old_context = MemoryContextSwitchTo(node->nodeContext); /* Switch to Node Level Memory Context */
if (node->chgParam != NULL) /* something changed? */
ExecReScan(node); /* let ReScan handle this */
result = node->ExecProcNode(node);
MemoryContextSwitchTo(old_context);
} else {
if (node->chgParam != NULL) /* something changed? */
ExecReScan(node);
result = node->ExecProcNode(node);
}
node->ps_rownum++;
return result;
}
#else /*ENABLE_MULTIPLE_NODES*/
static inline TupleTableSlot *ExecProcNode(PlanState *node)
{
//TODO: FIX ENABLE_MULTIPLE_NODES
return NULL;
}
#endif /*ENABLE_MULTIPLE_NODES*/
#endif /*FRONTEND*/
/*
* prototypes from functions in execQual.c
*/