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support smp cursor

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This commit is contained in:
chenxiaobin19
2024-06-28 16:10:52 +08:00
parent 3a3e54a07a
commit 65da7e14f4
13 changed files with 106 additions and 33 deletions
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7
src/include/executor/executor.h
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@ -262,6 +262,7 @@ extern bool NeedStubExecution(Plan* plan);
extern TupleTableSlot* FetchPlanSlot(PlanState* subPlanState, ProjectionInfo** projInfos, bool isinherit);
extern long ExecGetPlanMemCost(Plan* node);
extern bool executorEarlyStop();
/* ----------------------------------------------------------------
* ExecProcNode
@ -276,6 +277,11 @@ static inline TupleTableSlot *ExecProcNode(PlanState *node)
{
TupleTableSlot* result;
Assert(node->ExecProcNode);
if (unlikely(executorEarlyStop())) {
return NULL;
}
if (unlikely(node->nodeContext)) {
MemoryContext old_context = MemoryContextSwitchTo(node->nodeContext); /* Switch to Node Level Memory Context */
if (node->chgParam != NULL) /* something changed? */
@ -686,7 +692,6 @@ extern void PthreadRWlockWrlock(ResourceOwner owner, pthread_rwlock_t* rwlock);
extern void PthreadRWlockUnlock(ResourceOwner owner, pthread_rwlock_t* rwlock);
extern void PthreadRwLockInit(pthread_rwlock_t* rwlock, pthread_rwlockattr_t *attr);
extern bool executorEarlyStop();
extern void ExecEarlyFree(PlanState* node);
extern void ExecEarlyFreeBody(PlanState* node);
extern void ExecReSetRecursivePlanTree(PlanState* node);