greenplumn CDXLScalarSubqueryAll 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLScalarSubqueryAll.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2011 EMC, Corp.
/
/ @filename:
/ CDXLScalarSubqueryAll.cpp
/
/ @doc:
/ Implementation of subquery ALL
/---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLScalarSubqueryAll.h"
#include "gpos/string/CWStringDynamic.h"
#include "naucrates/dxl/operators/CDXLNode.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
using namespace gpos;
using namespace gpdxl;
using namespace gpmd;
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarSubqueryAll::CDXLScalarSubqueryAll
/
/ @doc:
/ Constructor
/
/---------------------------------------------------------------------------
CDXLScalarSubqueryAll::CDXLScalarSubqueryAll(CMemoryPool *mp,
IMDId *scalar_op_mdid,
CMDName *scalar_op_mdname,
ULONG colid)
: CDXLScalarSubqueryQuantified(mp, scalar_op_mdid, scalar_op_mdname, colid)
{
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarSubqueryAll::GetDXLOperator
/
/ @doc:
/ Operator type
/
/---------------------------------------------------------------------------
Edxlopid
CDXLScalarSubqueryAll::GetDXLOperator() const
{
return EdxlopScalarSubqueryAll;
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarSubqueryAll::GetOpNameStr
/
/ @doc:
/ Operator name
/
/---------------------------------------------------------------------------
const CWStringConst *
CDXLScalarSubqueryAll::GetOpNameStr() const
{
return CDXLTokens::GetDXLTokenStr(EdxltokenScalarSubqueryAll);
}
/ EOF
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