greenplumn CPhysicalLeftAntiSemiNLJoinNotIn 源码
greenplumn CPhysicalLeftAntiSemiNLJoinNotIn 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/operators/CPhysicalLeftAntiSemiNLJoinNotIn.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2013 EMC Corp.
//
// @filename:
// CPhysicalLeftAntiSemiNLJoinNotIn.h
//
// @doc:
// Left anti semi nested-loops join operator with NotIn semantics
//---------------------------------------------------------------------------
#ifndef GPOPT_CPhysicalLeftAntiSemiNLJoinNotIn_H
#define GPOPT_CPhysicalLeftAntiSemiNLJoinNotIn_H
#include "gpos/base.h"
#include "gpopt/operators/CPhysicalLeftAntiSemiNLJoin.h"
namespace gpopt
{
//---------------------------------------------------------------------------
// @class:
// CPhysicalLeftAntiSemiNLJoinNotIn
//
// @doc:
// Left anti semi nested-loops join operator with NotIn semantics
//
//---------------------------------------------------------------------------
class CPhysicalLeftAntiSemiNLJoinNotIn : public CPhysicalLeftAntiSemiNLJoin
{
private:
public:
CPhysicalLeftAntiSemiNLJoinNotIn(const CPhysicalLeftAntiSemiNLJoinNotIn &) =
delete;
// ctor
explicit CPhysicalLeftAntiSemiNLJoinNotIn(CMemoryPool *mp)
: CPhysicalLeftAntiSemiNLJoin(mp)
{
}
// ident accessors
EOperatorId
Eopid() const override
{
return EopPhysicalLeftAntiSemiNLJoinNotIn;
}
// return a string for operator name
const CHAR *
SzId() const override
{
return "CPhysicalLeftAntiSemiNLJoinNotIn";
}
// conversion function
static CPhysicalLeftAntiSemiNLJoinNotIn *
PopConvert(COperator *pop)
{
GPOS_ASSERT(EopPhysicalLeftAntiSemiNLJoinNotIn == pop->Eopid());
return dynamic_cast<CPhysicalLeftAntiSemiNLJoinNotIn *>(pop);
}
}; // class CPhysicalLeftAntiSemiNLJoinNotIn
} // namespace gpopt
#endif // !GPOPT_CPhysicalLeftAntiSemiNLJoinNotIn_H
// EOF
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