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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