greenplumn CDistributionSpecStrictRandom 源码
greenplumn CDistributionSpecStrictRandom 代码
文件路径：/src/backend/gporca/libgpopt/src/base/CDistributionSpecStrictRandom.cpp
// Greenplum Database
// Copyright (C) 2016 VMware, Inc. or its affiliates.
#include "gpopt/base/CDistributionSpecStrictRandom.h"
using namespace gpopt;
CDistributionSpecStrictRandom::CDistributionSpecStrictRandom() = default;
BOOL
CDistributionSpecStrictRandom::Matches(const CDistributionSpec *pds) const
{
return pds->Edt() == Edt();
}
BOOL
CDistributionSpecStrictRandom::FSatisfies(const CDistributionSpec *pds) const
{
return Matches(pds) || EdtAny == pds->Edt() || EdtRandom == pds->Edt() ||
EdtNonSingleton == pds->Edt();
}
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