greenplumn CXformImplementLeftOuterCorrelatedApply 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformImplementLeftOuterCorrelatedApply.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CXformImplementLeftOuterCorrelatedApply.h
/
/ @doc:
/ Transform LeftOuter correlated apply to physical LeftOuter correlated
/ apply
/---------------------------------------------------------------------------
#ifndef GPOPT_CXformImplementLeftOuterCorrelatedApply_H
#define GPOPT_CXformImplementLeftOuterCorrelatedApply_H
#include "gpos/base.h"
#include "gpopt/operators/CLogicalLeftOuterCorrelatedApply.h"
#include "gpopt/operators/CPhysicalCorrelatedLeftOuterNLJoin.h"
#include "gpopt/xforms/CXformImplementCorrelatedApply.h"
namespace gpopt
{
using namespace gpos;
/-------------------------------------------------------------------------
/ @class:
/ CXformImplementLeftOuterCorrelatedApply
/
/ @doc:
/ Transform LeftOuter correlated apply to physical LeftOuter correlated
/ apply
/
/-------------------------------------------------------------------------
class CXformImplementLeftOuterCorrelatedApply
: public CXformImplementCorrelatedApply<CLogicalLeftOuterCorrelatedApply,
CPhysicalCorrelatedLeftOuterNLJoin>
{
private:
public:
CXformImplementLeftOuterCorrelatedApply(
const CXformImplementLeftOuterCorrelatedApply &) = delete;
/ ctor
explicit CXformImplementLeftOuterCorrelatedApply(CMemoryPool *mp)
: CXformImplementCorrelatedApply<CLogicalLeftOuterCorrelatedApply,
CPhysicalCorrelatedLeftOuterNLJoin>(mp)
{
}
/ dtor
~CXformImplementLeftOuterCorrelatedApply() override = default;
/ ident accessors
EXformId
Exfid() const override
{
return ExfImplementLeftOuterCorrelatedApply;
}
const CHAR *
SzId() const override
{
return "CXformImplementLeftOuterCorrelatedApply";
}
}; / class CXformImplementLeftOuterCorrelatedApply
} / namespace gpopt
#endif / !GPOPT_CXformImplementLeftOuterCorrelatedApply_H
/ EOF
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