greenplumn CXformImplementLeftAntiSemiCorrelatedApplyNotIn 源码
greenplumn CXformImplementLeftAntiSemiCorrelatedApplyNotIn 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformImplementLeftAntiSemiCorrelatedApplyNotIn.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates..
//
// @filename:
// CXformImplementLeftAntiSemiCorrelatedApplyNotIn.h
//
// @doc:
// Transform left anti semi correlated apply with NOT-IN/ALL semantics
// to physical left anti semi correlated join
//---------------------------------------------------------------------------
#ifndef GPOPT_CXformImplementLeftAntiSemiCorrelatedApplyNotIn_H
#define GPOPT_CXformImplementLeftAntiSemiCorrelatedApplyNotIn_H
#include "gpos/base.h"
#include "gpopt/operators/CLogicalLeftAntiSemiCorrelatedApplyNotIn.h"
#include "gpopt/operators/CPhysicalCorrelatedNotInLeftAntiSemiNLJoin.h"
#include "gpopt/xforms/CXformImplementCorrelatedApply.h"
namespace gpopt
{
using namespace gpos;
//-------------------------------------------------------------------------
// @class:
// CXformImplementLeftAntiSemiCorrelatedApplyNotIn
//
// @doc:
// Transform left anti semi correlated apply with NOT-IN/ALL semantics
// to physical left anti semi correlated join
//
//-------------------------------------------------------------------------
class CXformImplementLeftAntiSemiCorrelatedApplyNotIn
: public CXformImplementCorrelatedApply<
CLogicalLeftAntiSemiCorrelatedApplyNotIn,
CPhysicalCorrelatedNotInLeftAntiSemiNLJoin>
{
private:
public:
CXformImplementLeftAntiSemiCorrelatedApplyNotIn(
const CXformImplementLeftAntiSemiCorrelatedApplyNotIn &) = delete;
// ctor
explicit CXformImplementLeftAntiSemiCorrelatedApplyNotIn(CMemoryPool *mp)
: CXformImplementCorrelatedApply<
CLogicalLeftAntiSemiCorrelatedApplyNotIn,
CPhysicalCorrelatedNotInLeftAntiSemiNLJoin>(mp)
{
}
// dtor
~CXformImplementLeftAntiSemiCorrelatedApplyNotIn() override = default;
// ident accessors
EXformId
Exfid() const override
{
return ExfImplementLeftAntiSemiCorrelatedApplyNotIn;
}
const CHAR *
SzId() const override
{
return "CXformImplementLeftAntiSemiCorrelatedApplyNotIn";
}
}; // class CXformImplementLeftAntiSemiCorrelatedApplyNotIn
} // namespace gpopt
#endif // !GPOPT_CXformImplementLeftAntiSemiCorrelatedApplyNotIn_H
// EOF
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