greenplumn CDXLPhysicalProperties 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLPhysicalProperties.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2010 Greenplum, Inc.
/
/ @filename:
/ CDXLPhysicalProperties.cpp
/
/ @doc:
/ Implementation of DXL physical operators
/---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLPhysicalProperties.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
using namespace gpdxl;
/---------------------------------------------------------------------------
/ @function:
/ CDXLPhysicalProperties::CDXLPhysicalProperties
/
/ @doc:
/ Constructor
/
/---------------------------------------------------------------------------
CDXLPhysicalProperties::CDXLPhysicalProperties(CDXLOperatorCost *cost)
: CDXLProperties(), m_operator_cost_dxl(cost)
{
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLPhysicalProperties::~CDXLPhysicalProperties
/
/ @doc:
/ Destructor
/
/---------------------------------------------------------------------------
CDXLPhysicalProperties::~CDXLPhysicalProperties()
{
CRefCount::SafeRelease(m_operator_cost_dxl);
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLPhysicalProperties::SerializePropertiesToDXL
/
/ @doc:
/ Serialize operator properties in DXL format
/
/---------------------------------------------------------------------------
void
CDXLPhysicalProperties::SerializePropertiesToDXL(
CXMLSerializer *xml_serializer) const
{
xml_serializer->OpenElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix),
CDXLTokens::GetDXLTokenStr(EdxltokenProperties));
m_operator_cost_dxl->SerializeToDXL(xml_serializer);
SerializeStatsToDXL(xml_serializer);
xml_serializer->CloseElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix),
CDXLTokens::GetDXLTokenStr(EdxltokenProperties));
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLPhysicalProperties::MakeDXLOperatorCost
/
/ @doc:
/ Return cost of operator
/
/---------------------------------------------------------------------------
CDXLOperatorCost *
CDXLPhysicalProperties::GetDXLOperatorCost() const
{
return m_operator_cost_dxl;
}
/ EOF
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