greenplumn CDXLPhysicalBitmapTableScan 源码
greenplumn CDXLPhysicalBitmapTableScan 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLPhysicalBitmapTableScan.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CDXLPhysicalBitmapTableScan.cpp
//
// @doc:
// Class for representing DXL bitmap table scan operators.
//---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLPhysicalBitmapTableScan.h"
#include "naucrates/dxl/operators/CDXLNode.h"
#include "naucrates/dxl/operators/CDXLTableDescr.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
#include "naucrates/dxl/xml/dxltokens.h"
using namespace gpdxl;
using namespace gpos;
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalBitmapTableScan::GetOpNameStr
//
// @doc:
// Operator name
//
//---------------------------------------------------------------------------
const CWStringConst *
CDXLPhysicalBitmapTableScan::GetOpNameStr() const
{
return CDXLTokens::GetDXLTokenStr(EdxltokenPhysicalBitmapTableScan);
}
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalBitmapTableScan::SerializeToDXL
//
// @doc:
// Serialize operator in DXL format
//
//---------------------------------------------------------------------------
void
CDXLPhysicalBitmapTableScan::SerializeToDXL(CXMLSerializer *xml_serializer,
const CDXLNode *dxlnode) const
{
const CWStringConst *element_name = GetOpNameStr();
xml_serializer->OpenElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
// serialize properties
dxlnode->SerializePropertiesToDXL(xml_serializer);
// serialize children
dxlnode->SerializeChildrenToDXL(xml_serializer);
// serialize table descriptor
m_dxl_table_descr->SerializeToDXL(xml_serializer);
xml_serializer->CloseElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
}
// EOF
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