greenplumn CXformPushGbDedupBelowJoin 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformPushGbDedupBelowJoin.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2013 VMware, Inc. or its affiliates.
/
/ @filename:
/ CXformPushGbDedupBelowJoin.h
/
/ @doc:
/ Push dedup group by below join transform
/---------------------------------------------------------------------------
#ifndef GPOPT_CXformPushGbDedupBelowJoin_H
#define GPOPT_CXformPushGbDedupBelowJoin_H
#include "gpos/base.h"
#include "gpopt/xforms/CXformPushGbBelowJoin.h"
namespace gpopt
{
using namespace gpos;
/---------------------------------------------------------------------------
/ @class:
/ CXformPushGbDedupBelowJoin
/
/ @doc:
/ Push dedup group by below join transform
/
/---------------------------------------------------------------------------
class CXformPushGbDedupBelowJoin : public CXformPushGbBelowJoin
{
private:
public:
CXformPushGbDedupBelowJoin(const CXformPushGbDedupBelowJoin &) = delete;
/ ctor
explicit CXformPushGbDedupBelowJoin(CMemoryPool *mp);
/ dtor
~CXformPushGbDedupBelowJoin() override = default;
/ ident accessors
EXformId
Exfid() const override
{
return ExfPushGbDedupBelowJoin;
}
const CHAR *
SzId() const override
{
return "CXformPushGbDedupBelowJoin";
}
}; / class CXformPushGbDedupBelowJoin
} / namespace gpopt
#endif / !GPOPT_CXformPushGbDedupBelowJoin_H
/ EOF
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