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