greenplumn CDXLLogicalExternalGet 源码
greenplumn CDXLLogicalExternalGet 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLLogicalExternalGet.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2013 VMware, Inc. or its affiliates.
//
// @filename:
// CDXLLogicalExternalGet.cpp
//
// @doc:
// Implementation of DXL logical external get operator
//---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLLogicalExternalGet.h"
#include "naucrates/dxl/xml/dxltokens.h"
using namespace gpos;
using namespace gpdxl;
//---------------------------------------------------------------------------
// @function:
// CDXLLogicalExternalGet::CDXLLogicalExternalGet
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CDXLLogicalExternalGet::CDXLLogicalExternalGet(CMemoryPool *mp,
CDXLTableDescr *table_descr)
: CDXLLogicalGet(mp, table_descr)
{
}
//---------------------------------------------------------------------------
// @function:
// CDXLLogicalExternalGet::GetDXLOperator
//
// @doc:
// Operator type
//
//---------------------------------------------------------------------------
Edxlopid
CDXLLogicalExternalGet::GetDXLOperator() const
{
return EdxlopLogicalExternalGet;
}
//---------------------------------------------------------------------------
// @function:
// CDXLLogicalExternalGet::GetOpNameStr
//
// @doc:
// Operator name
//
//---------------------------------------------------------------------------
const CWStringConst *
CDXLLogicalExternalGet::GetOpNameStr() const
{
return CDXLTokens::GetDXLTokenStr(EdxltokenLogicalExternalGet);
}
// EOF
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