greenplumn CDXLLogical 源码
greenplumn CDXLLogical 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/operators/CDXLLogical.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 Greenplum, Inc.
//
// @filename:
// CDXLLogical.h
//
// @doc:
// Base class for DXL logical operators.
//
//---------------------------------------------------------------------------
#ifndef GPDXL_CDXLLogical_H
#define GPDXL_CDXLLogical_H
#include "gpos/base.h"
#include "naucrates/dxl/operators/CDXLColRef.h"
#include "naucrates/dxl/operators/CDXLOperator.h"
namespace gpdxl
{
using namespace gpos;
// fwd decl
class CXMLSerializer;
//---------------------------------------------------------------------------
// @class:
// CDXLLogical
//
// @doc:
// Base class the DXL logical operators
//
//---------------------------------------------------------------------------
class CDXLLogical : public CDXLOperator
{
private:
public:
CDXLLogical(const CDXLLogical &) = delete;
// ctor/dtor
explicit CDXLLogical(CMemoryPool *mp);
// Get operator type
Edxloptype GetDXLOperatorType() const override;
};
} // namespace gpdxl
#endif // !GPDXL_CDXLLogical_H
// EOF
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