greenplumn CDXLProperties 源码

2022-08-18
浏览 (333)

greenplumn CDXLProperties 代码

文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLProperties.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2012 EMC Corp.
//
//	@filename:
//		CDXLProperties.cpp
//
//	@doc:
//		Implementation of properties of DXL operators
//---------------------------------------------------------------------------

#include "naucrates/dxl/operators/CDXLProperties.h"

#include "naucrates/dxl/xml/CXMLSerializer.h"

using namespace gpdxl;

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::CDXLProperties
//
//	@doc:
//		Ctor
//
//---------------------------------------------------------------------------
CDXLProperties::CDXLProperties() = default;

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::~CDXLProperties
//
//	@doc:
//		Dtor
//
//---------------------------------------------------------------------------
CDXLProperties::~CDXLProperties()
{
	CRefCount::SafeRelease(m_dxl_stats_derived_relation);
}

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::SetStats
//
//	@doc:
//		Set operator properties
//
//---------------------------------------------------------------------------
void
CDXLProperties::SetStats(CDXLStatsDerivedRelation *dxl_stats_derived_relation)
{
	// allow setting properties only once
	GPOS_ASSERT(nullptr == m_dxl_stats_derived_relation);
	GPOS_ASSERT(nullptr != dxl_stats_derived_relation);
	m_dxl_stats_derived_relation = dxl_stats_derived_relation;
}

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::GetDxlStatsDrvdRelation
//
//	@doc:
//		Return operator's statistical information
//
//---------------------------------------------------------------------------
const CDXLStatsDerivedRelation *
CDXLProperties::GetDxlStatsDrvdRelation() const
{
	return m_dxl_stats_derived_relation;
}

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::SerializePropertiesToDXL
//
//	@doc:
//		Serialize operator statistics in DXL format
//
//---------------------------------------------------------------------------
void
CDXLProperties::SerializePropertiesToDXL(CXMLSerializer *xml_serializer) const
{
	SerializeStatsToDXL(xml_serializer);
}

//---------------------------------------------------------------------------
//	@function:
//		CDXLProperties::SerializeStatsToDXL
//
//	@doc:
//		Serialize operator statistics in DXL format
//
//---------------------------------------------------------------------------
void
CDXLProperties::SerializeStatsToDXL(CXMLSerializer *xml_serializer) const
{
	if (nullptr != m_dxl_stats_derived_relation)
	{
		m_dxl_stats_derived_relation->Serialize(xml_serializer);
	}
}

// EOF

相关信息

greenplumn 源码目录

相关文章

greenplumn CDXLColDescr 源码

greenplumn CDXLColRef 源码

greenplumn CDXLCtasStorageOptions 源码

greenplumn CDXLDatum 源码

greenplumn CDXLDatumBool 源码

greenplumn CDXLDatumGeneric 源码

greenplumn CDXLDatumInt2 源码

greenplumn CDXLDatumInt4 源码

greenplumn CDXLDatumInt8 源码

greenplumn CDXLDatumOid 源码

0 赞

所属分类： 大数据
本文标签： greenplum
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/b277db69c09148e9bad4a022d9a306ba

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
6、 harmony 鸿蒙初识ArkTS语言
7、 golang
8、 flink kafka connector scan.startup.mode 的几个选项
9、 openharmony
10、 Vue中input框自动聚焦

Loading...