greenplumn CPhysicalLeftAntiSemiHashJoinNotIn 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/operators/CPhysicalLeftAntiSemiHashJoinNotIn.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2013 EMC Corp.
/
/ @filename:
/ CPhysicalLeftAntiSemiHashJoinNotIn.h
/
/ @doc:
/ Left anti semi hash join operator with NotIn semantics
/---------------------------------------------------------------------------
#ifndef GPOPT_CPhysicalLeftAntiSemiHashJoinNotIn_H
#define GPOPT_CPhysicalLeftAntiSemiHashJoinNotIn_H
#include "gpos/base.h"
#include "gpopt/operators/CPhysicalLeftAntiSemiHashJoin.h"
namespace gpopt
{
/---------------------------------------------------------------------------
/ @class:
/ CPhysicalLeftAntiSemiHashJoinNotIn
/
/ @doc:
/ Left anti semi hash join operator with NotIn semantics
/
/---------------------------------------------------------------------------
class CPhysicalLeftAntiSemiHashJoinNotIn : public CPhysicalLeftAntiSemiHashJoin
{
private:
public:
CPhysicalLeftAntiSemiHashJoinNotIn(
const CPhysicalLeftAntiSemiHashJoinNotIn &) = delete;
/ ctor
CPhysicalLeftAntiSemiHashJoinNotIn(
CMemoryPool *mp, CExpressionArray *pdrgpexprOuterKeys,
CExpressionArray *pdrgpexprInnerKeys, IMdIdArray *hash_opfamilies,
CXform::EXformId origin_xform = CXform::ExfSentinel);
/ ident accessors
EOperatorId
Eopid() const override
{
return EopPhysicalLeftAntiSemiHashJoinNotIn;
}
/ return a string for operator name
const CHAR *
SzId() const override
{
return "CPhysicalLeftAntiSemiHashJoinNotIn";
}
/-------------------------------------------------------------------------------------
/ Required Plan Properties
/-------------------------------------------------------------------------------------
/ compute required distribution of the n-th child
CDistributionSpec *PdsRequired(CMemoryPool *mp, CExpressionHandle &exprhdl,
CDistributionSpec *pdsRequired,
ULONG child_index,
CDrvdPropArray *pdrgpdpCtxt,
ULONG ulOptReq) const override;
CEnfdDistribution *Ped(CMemoryPool *mp, CExpressionHandle &exprhdl,
CReqdPropPlan *prppInput, ULONG child_index,
CDrvdPropArray *pdrgpdpCtxt,
ULONG ulDistrReq) override;
/-------------------------------------------------------------------------------------
/-------------------------------------------------------------------------------------
/-------------------------------------------------------------------------------------
/ conversion function
static CPhysicalLeftAntiSemiHashJoinNotIn *
PopConvert(COperator *pop)
{
GPOS_ASSERT(EopPhysicalLeftAntiSemiHashJoinNotIn == pop->Eopid());
return dynamic_cast<CPhysicalLeftAntiSemiHashJoinNotIn *>(pop);
}
}; / class CPhysicalLeftAntiSemiHashJoinNotIn
} / namespace gpopt
#endif / !GPOPT_CPhysicalLeftAntiSemiHashJoinNotIn_H
/ EOF
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