greenplumn CDXLPhysicalDynamicBitmapTableScan 源码
greenplumn CDXLPhysicalDynamicBitmapTableScan 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLPhysicalDynamicBitmapTableScan.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates.
//
// @filename:
// CDXLPhysicalDynamicBitmapTableScan.cpp
//
// @doc:
// Class for representing DXL bitmap table scan operators.
//---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLPhysicalDynamicBitmapTableScan.h"
#include "naucrates/dxl/CDXLUtils.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"
#include "naucrates/md/IMDCacheObject.h"
using namespace gpdxl;
using namespace gpos;
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalDynamicBitmapTableScan::GetOpNameStr
//
// @doc:
// Operator name
//
//---------------------------------------------------------------------------
const CWStringConst *
CDXLPhysicalDynamicBitmapTableScan::GetOpNameStr() const
{
return CDXLTokens::GetDXLTokenStr(EdxltokenPhysicalDynamicBitmapTableScan);
}
IMdIdArray *
CDXLPhysicalDynamicBitmapTableScan::GetParts() const
{
return m_part_mdids;
}
CDXLPhysicalDynamicBitmapTableScan::~CDXLPhysicalDynamicBitmapTableScan()
{
m_part_mdids->Release();
CRefCount::SafeRelease(m_selector_ids);
}
//---------------------------------------------------------------------------
// @function:
// CDXLPhysicalDynamicBitmapTableScan::SerializeToDXL
//
// @doc:
// Serialize operator in DXL format
//
//---------------------------------------------------------------------------
void
CDXLPhysicalDynamicBitmapTableScan::SerializeToDXL(
CXMLSerializer *xml_serializer, const CDXLNode *node) const
{
const CWStringConst *element_name = GetOpNameStr();
xml_serializer->OpenElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
CWStringDynamic *serialized_selector_ids =
CDXLUtils::Serialize(m_mp, m_selector_ids);
xml_serializer->AddAttribute(
CDXLTokens::GetDXLTokenStr(EdxltokenSelectorIds),
serialized_selector_ids);
GPOS_DELETE(serialized_selector_ids);
node->SerializePropertiesToDXL(xml_serializer);
node->SerializeChildrenToDXL(xml_serializer);
IMDCacheObject::SerializeMDIdList(
xml_serializer, m_part_mdids,
CDXLTokens::GetDXLTokenStr(EdxltokenPartitions),
CDXLTokens::GetDXLTokenStr(EdxltokenPartition));
m_dxl_table_descr->SerializeToDXL(xml_serializer);
xml_serializer->CloseElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
}
// EOF
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