greenplumn CGPDBAttOptCol 源码
greenplumn CGPDBAttOptCol 代码
文件路径：/src/include/gpopt/translate/CGPDBAttOptCol.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Greenplum
//
// @filename:
// CGPDBAttOptCol.h
//
// @doc:
// Class to represent pair of GPDB var info to optimizer col info
//
// @test:
//
//
//---------------------------------------------------------------------------
#ifndef GPDXL_CGPDBAttOptCol_H
#define GPDXL_CGPDBAttOptCol_H
#include "gpos/common/CRefCount.h"
#include "gpopt/translate/CGPDBAttInfo.h"
#include "gpopt/translate/COptColInfo.h"
namespace gpdxl
{
using namespace gpos;
//---------------------------------------------------------------------------
// @class:
// CGPDBAttOptCol
//
// @doc:
// Class to represent pair of GPDB var info to optimizer col info
//
//---------------------------------------------------------------------------
class CGPDBAttOptCol : public CRefCount
{
private:
// gpdb att info
CGPDBAttInfo *m_gpdb_att_info;
// optimizer col info
COptColInfo *m_opt_col_info;
public:
CGPDBAttOptCol(const CGPDBAttOptCol &) = delete;
// ctor
CGPDBAttOptCol(CGPDBAttInfo *gpdb_att_info, COptColInfo *opt_col_info)
: m_gpdb_att_info(gpdb_att_info), m_opt_col_info(opt_col_info)
{
GPOS_ASSERT(nullptr != m_gpdb_att_info);
GPOS_ASSERT(nullptr != m_opt_col_info);
}
// d'tor
~CGPDBAttOptCol() override
{
m_gpdb_att_info->Release();
m_opt_col_info->Release();
}
// accessor
const CGPDBAttInfo *
GetGPDBAttInfo() const
{
return m_gpdb_att_info;
}
// accessor
const COptColInfo *
GetOptColInfo() const
{
return m_opt_col_info;
}
};
} // namespace gpdxl
#endif // !GPDXL_CGPDBAttOptCol_H
// EOF
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