greenplumn CColConstraintsHashMapper 源码
greenplumn CColConstraintsHashMapper 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/base/CColConstraintsHashMapper.h
// Greenplum Database
// Copyright (C) 2016 VMware, Inc. or its affiliates.
#ifndef GPOPT_CColConstraintsHashMapper_H
#define GPOPT_CColConstraintsHashMapper_H
#include "gpos/memory/CMemoryPool.h"
#include "gpopt/base/CConstraint.h"
#include "gpopt/base/IColConstraintsMapper.h"
namespace gpopt
{
class CColConstraintsHashMapper : public IColConstraintsMapper
{
public:
CColConstraintsHashMapper(CMemoryPool *mp, CConstraintArray *pdrgPcnstr);
CConstraintArray *PdrgPcnstrLookup(CColRef *colref) override;
~CColConstraintsHashMapper() override;
private:
ColRefToConstraintArrayMap *m_phmColConstr;
};
} // namespace gpopt
#endif //GPOPT_CColConstraintsHashMapper_H
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