C++ ExecFreeExprContext函数代码示例

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本文整理汇总了C++中ExecFreeExprContext函数的典型用法代码示例。如果您正苦于以下问题：C++ ExecFreeExprContext函数的具体用法？C++ ExecFreeExprContext怎么用？C++ ExecFreeExprContext使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ExecFreeExprContext函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ExecEndExternalScan

/* ----------------------------------------------------------------
*		ExecEndExternalScan
*
*		frees any storage allocated through C routines.
* ----------------------------------------------------------------
*/
void
ExecEndExternalScan(ExternalScanState *node)
{
	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	ExecEagerFreeExternalScan(node);
	pfree(node->ess_ScanDesc);

	/*
	 * close the external relation.
	 *
	 * MPP-8040: make sure we don't close it if it hasn't completed setup, or
	 * if we've already closed it.
	 */
	if (node->ss.ss_currentRelation)
	{
		Relation	relation = node->ss.ss_currentRelation;

		node->ss.ss_currentRelation = NULL;
		ExecCloseScanRelation(relation);
	}
	EndPlanStateGpmonPkt(&node->ss.ps);
}

开发者ID:PivotalBigData，项目名称:incubator-hawq，代码行数:38，代码来源:nodeExternalscan.c

示例2: ExecEndSubqueryScan

/* ----------------------------------------------------------------
 *		ExecEndSubqueryScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndSubqueryScan(SubqueryScanState *node)
{
	MemoryContext oldcontext;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clean out the upper tuple table
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	node->ss.ss_ScanTupleSlot = NULL;	/* not ours to clear */

	/*
	 * close down subquery
	 */
	oldcontext = MemoryContextSwitchTo(node->sss_SubEState->es_query_cxt);

	ExecEndPlan(node->subplan, node->sss_SubEState);

	MemoryContextSwitchTo(oldcontext);

	FreeExecutorState(node->sss_SubEState);
}

开发者ID:CraigBryan，项目名称:PostgresqlFun，代码行数:33，代码来源:nodeSubqueryscan.c

示例3: ExecEndAppendOnlyScan

/* ----------------------------------------------------------------
 *		ExecEndAppendOnlyScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndAppendOnlyScan(AppendOnlyScanState *node)
{
	Relation			relation;
	AppendOnlyScanDesc	scanDesc;

	/*
	 * get information from node
	 */
	relation = node->ss.ss_currentRelation;
	scanDesc = node->aos_ScanDesc;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	ExecEagerFreeAppendOnlyScan(node);

	/*
	 * close the heap relation.
	 */
	ExecCloseScanRelation(relation);

	EndPlanStateGpmonPkt(&node->ss.ps);
}

开发者ID:BALDELab，项目名称:incubator-hawq，代码行数:38，代码来源:nodeAppendOnlyscan.c

示例4: ExecEndSeqScan

/* ----------------------------------------------------------------
 *		ExecEndSeqScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndSeqScan(SeqScanState *node)
{
	Relation	relation;

	/*
	 * get information from node
	 */
	relation = node->ss_currentRelation;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss_ScanTupleSlot);

	ExecEagerFreeSeqScan(node);

	/*
	 * close the heap relation.
	 */
	ExecCloseScanRelation(relation);

	/* gpmon */
	EndPlanStateGpmonPkt(&node->ps);
}

开发者ID:AnLingm，项目名称:gpdb，代码行数:37，代码来源:nodeSeqscan.c

示例5: ExecEndNestLoop

/* ----------------------------------------------------------------
 *		ExecEndNestLoop
 *
 *		closes down scans and frees allocated storage
 * ----------------------------------------------------------------
 */
void
ExecEndNestLoop(NestLoopState *node)
{
	NL1_printf("ExecEndNestLoop: %s\n",
			   "ending node processing");

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->js.ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->js.ps.ps_ResultTupleSlot);

	/*
	 * close down subplans
	 */
	ExecEndNode(outerPlanState(node));
	ExecEndNode(innerPlanState(node));

	NL1_printf("ExecEndNestLoop: %s\n",
			   "node processing ended");
}

开发者ID:shubham2094，项目名称:postgresql_8.2，代码行数:31，代码来源:nodeNestloop.c

示例6: ExecEndSeqScan

/* ----------------------------------------------------------------
 *		ExecEndSeqScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndSeqScan(SeqScanState *node)
{
	Relation	relation;
	HeapScanDesc scanDesc;

	/*
	 * get information from node
	 */
	relation = node->ss_currentRelation;
	scanDesc = node->ss_currentScanDesc;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss_ScanTupleSlot);

	/*
	 * close heap scan
	 */
	heap_endscan(scanDesc);

	/*
	 * close the heap relation.
	 */
	ExecCloseScanRelation(relation);
}

开发者ID:LittleForker，项目名称:postgres，代码行数:39，代码来源:nodeSeqscan.c

示例7: ExecEndSubqueryScan

/* ----------------------------------------------------------------
 *		ExecEndSubqueryScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndSubqueryScan(SubqueryScanState *node)
{
	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clean out the upper tuple table
	 */
	if (node->ss.ss_ScanTupleSlot != NULL)
	{
		ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
		node->ss.ss_ScanTupleSlot = NULL;	/* not ours to clear */
	}

	/* gpmon */
	EndPlanStateGpmonPkt(&node->ss.ps);

	/*
	 * close down subquery
	 */
	ExecEndNode(node->subplan);
}

开发者ID:LJoNe，项目名称:gpdb，代码行数:31，代码来源:nodeSubqueryscan.c

示例8: ExecEndLimit

/* ----------------------------------------------------------------
 *		ExecEndLimit
 *
 *		This shuts down the subplan and frees resources allocated
 *		to this node.
 * ----------------------------------------------------------------
 */
void
ExecEndLimit(LimitState *node)
{
	ExecFreeExprContext(&node->ps);
	ExecEndNode(outerPlanState(node));

	EndPlanStateGpmonPkt(&node->ps);
}

开发者ID:50wu，项目名称:gpdb，代码行数:15，代码来源:nodeLimit.c

示例9: ExecEndGather

/* ----------------------------------------------------------------
 *		ExecEndGather
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndGather(GatherState *node)
{
	ExecShutdownGather(node);
	ExecFreeExprContext(&node->ps);
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
	ExecEndNode(outerPlanState(node));
}

开发者ID:linwanggm，项目名称:postgres，代码行数:14，代码来源:nodeGather.c

示例10: ExecEndGatherMerge

/* ----------------------------------------------------------------
 *		ExecEndGatherMerge
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndGatherMerge(GatherMergeState *node)
{
	ExecEndNode(outerPlanState(node));	/* let children clean up first */
	ExecShutdownGatherMerge(node);
	ExecFreeExprContext(&node->ps);
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
}

开发者ID:chrullrich，项目名称:postgres，代码行数:14，代码来源:nodeGatherMerge.c

示例11: ExecEndLimit

/* ----------------------------------------------------------------
 *		ExecEndLimit
 *
 *		This shuts down the subplan and frees resources allocated
 *		to this node.
 * ----------------------------------------------------------------
 */
void
ExecEndLimit(LimitState *node)
{
	ExecFreeExprContext(&node->ps);

	/* clean up tuple table */
	ExecClearTuple(node->ps.ps_ResultTupleSlot);

	ExecEndNode(outerPlanState(node));
}

开发者ID:sunyangkobe，项目名称:cscd43，代码行数:17，代码来源:nodeLimit.c

示例12: ExecEndDML

/* Release Resources Requested by nodeDML. */
void
ExecEndDML(DMLState *node)
{
	/* Release explicitly the TupleDesc for result relation */
	ReleaseTupleDesc(node->junkfilter->jf_cleanTupType);

	ExecFreeExprContext(&node->ps);
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
	ExecClearTuple(node->cleanedUpSlot);
	ExecEndNode(outerPlanState(node));
	EndPlanStateGpmonPkt(&node->ps);
}

开发者ID:BALDELab，项目名称:incubator-hawq，代码行数:13，代码来源:nodeDML.c

示例13: FreeScanRelationInternal

/*
 * FreeScanRelationInternal
 *   Free ScanState common variables initialized in InitScanStateInternal.
 */
void
FreeScanRelationInternal(ScanState *scanState, bool closeCurrentRelation)
{
	ExecFreeExprContext(&scanState->ps);
	ExecClearTuple(scanState->ps.ps_ResultTupleSlot);
	ExecClearTuple(scanState->ss_ScanTupleSlot);

	if (closeCurrentRelation)
	{
		ExecCloseScanRelation(scanState->ss_currentRelation);
	}
}

开发者ID:BALDELab，项目名称:incubator-hawq，代码行数:16，代码来源:execScan.c

示例14: ExecEndBitmapHeapScan

/* ----------------------------------------------------------------
 *		ExecEndBitmapHeapScan
 * ----------------------------------------------------------------
 */
void
ExecEndBitmapHeapScan(BitmapHeapScanState *node)
{
	Relation	relation;
	HeapScanDesc scanDesc;

	/*
	 * extract information from the node
	 */
	relation = node->ss.ss_currentRelation;
	scanDesc = node->ss.ss_currentScanDesc;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clear out tuple table slots
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	/*
	 * close down subplans
	 */
	ExecEndNode(outerPlanState(node));

	/*
	 * release bitmap if any
	 */
	if (node->tbmiterator)
		tbm_end_iterate(node->tbmiterator);
	if (node->prefetch_iterator)
		tbm_end_iterate(node->prefetch_iterator);
	if (node->tbm)
		tbm_free(node->tbm);
	if (node->shared_tbmiterator)
		tbm_end_shared_iterate(node->shared_tbmiterator);
	if (node->shared_prefetch_iterator)
		tbm_end_shared_iterate(node->shared_prefetch_iterator);

	/*
	 * close heap scan
	 */
	heap_endscan(scanDesc);

	/*
	 * close the heap relation.
	 */
	ExecCloseScanRelation(relation);
}

开发者ID:BertrandAreal，项目名称:postgres，代码行数:56，代码来源:nodeBitmapHeapscan.c

示例15: ExecEndBitmapHeapScan

/* ----------------------------------------------------------------
 *		ExecEndBitmapHeapScan
 * ----------------------------------------------------------------
 */
void
ExecEndBitmapHeapScan(BitmapHeapScanState *node)
{
	Relation	relation;
	HeapScanDesc scanDesc;

	/*
	 * extract information from the node
	 */
	relation = node->ss.ss_currentRelation;
	scanDesc = node->ss.ss_currentScanDesc;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clear out tuple table slots
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	/*
	 * close down subplans
	 */
	ExecEndNode(outerPlanState(node));

	/*
	 * release bitmap if any
	 */
	if (node->tbm)
		tbm_free(node->tbm);

	if (node->odbm)
		odbm_free(node->odbm);

	/*
	 * close heap scan
	 */
	heap_endscan(scanDesc);

	/*
	 * close the heap relation.
	 *
	 * Currently, we do not release the AccessShareLock acquired by
	 * ExecInitBitmapHeapScan.	This lock should be held till end of
	 * transaction. (There is a faction that considers this too much locking,
	 * however.)
	 */
	heap_close(relation, NoLock);
}

开发者ID:jaiminpan，项目名称:bizgres，代码行数:56，代码来源:nodeBitmapHeapscan.c

示例16: ExecEndSetOp

/* ----------------------------------------------------------------
 *		ExecEndSetOp
 *
 *		This shuts down the subplan and frees resources allocated
 *		to this node.
 * ----------------------------------------------------------------
 */
void
ExecEndSetOp(SetOpState *node)
{
	/* clean up tuple table */
	ExecClearTuple(node->ps.ps_ResultTupleSlot);

	/* free subsidiary stuff including hashtable */
	if (node->tableContext)
		MemoryContextDelete(node->tableContext);
	ExecFreeExprContext(&node->ps);

	ExecEndNode(outerPlanState(node));
}

开发者ID:eubide，项目名称:postgres，代码行数:20，代码来源:nodeSetOp.c

示例17: ExecEndGroup

/* ------------------------
 *		ExecEndGroup(node)
 *
 * -----------------------
 */
void
ExecEndGroup(GroupState *node)
{
	PlanState  *outerPlan;

	ExecFreeExprContext(&node->ss.ps);

	/* clean up tuple table */
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	outerPlan = outerPlanState(node);
	ExecEndNode(outerPlan);
}

开发者ID:CraigBryan，项目名称:PostgresqlFun，代码行数:18，代码来源:nodeGroup.c

示例18: ExecEndBitmapHeapScan

/* ----------------------------------------------------------------
 *		ExecEndBitmapHeapScan
 * ----------------------------------------------------------------
 */
void
ExecEndBitmapHeapScan(BitmapHeapScanState *node)
{
	HeapScanDesc scanDesc;

	/*
	 * extract information from the node
	 */
	scanDesc = node->ss.ss_currentScanDesc;

	/*
	 * Free the exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clear out tuple table slots
	 */
	if (node->ss.ps.ps_ResultTupleSlot)
		ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);

	/*
	 * close down subplans
	 */
	ExecEndNode(outerPlanState(node));

	/*
	 * release bitmaps and buffers if any
	 */
	if (node->tbmiterator)
		tbm_end_iterate(node->tbmiterator);
	if (node->prefetch_iterator)
		tbm_end_iterate(node->prefetch_iterator);
	if (node->tbm)
		tbm_free(node->tbm);
	if (node->shared_tbmiterator)
		tbm_end_shared_iterate(node->shared_tbmiterator);
	if (node->shared_prefetch_iterator)
		tbm_end_shared_iterate(node->shared_prefetch_iterator);
	if (node->vmbuffer != InvalidBuffer)
		ReleaseBuffer(node->vmbuffer);
	if (node->pvmbuffer != InvalidBuffer)
		ReleaseBuffer(node->pvmbuffer);

	/*
	 * close heap scan
	 */
	heap_endscan(scanDesc);
}

开发者ID:eubide，项目名称:postgres，代码行数:54，代码来源:nodeBitmapHeapscan.c

示例19: ExecEndWorkTableScan

/* ----------------------------------------------------------------
 *		ExecEndWorkTableScan
 *
 *		frees any storage allocated through C routines.
 * ----------------------------------------------------------------
 */
void
ExecEndWorkTableScan(WorkTableScanState *node)
{
	/*
	 * Free exprcontext
	 */
	ExecFreeExprContext(&node->ss.ps);

	/*
	 * clean out the tuple table
	 */
	ExecClearTuple(node->ss.ps.ps_ResultTupleSlot);
	ExecClearTuple(node->ss.ss_ScanTupleSlot);
}

开发者ID:EccentricLoggers，项目名称:peloton，代码行数:20，代码来源:nodeWorktablescan.cpp

示例20: ExecEndRepeat

void
ExecEndRepeat(RepeatState *node)
{
	/* Free the ExprContext */
	ExecFreeExprContext(&node->ps);
	
	/* Clean out the tuple table */
	ExecClearTuple(node->ps.ps_ResultTupleSlot);
	
	/* End the subplans */
	ExecEndNode(outerPlanState(node));
	
	EndPlanStateGpmonPkt(&node->ps);
}

开发者ID:50wu，项目名称:gpdb，代码行数:14，代码来源:nodeRepeat.c

注：本文中的ExecFreeExprContext函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。