greenplumn CMDIndexInfo 源码
greenplumn CMDIndexInfo 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/md/CMDIndexInfo.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2017 VMware, Inc. or its affiliates.
//
// @filename:
// CMDIndexInfo.h
//
// @doc:
// Implementation of indexinfo in relation metadata
//---------------------------------------------------------------------------
#ifndef GPMD_CMDIndexInfo_H
#define GPMD_CMDIndexInfo_H
#include "gpos/base.h"
#include "naucrates/md/IMDId.h"
#include "naucrates/md/IMDInterface.h"
namespace gpmd
{
using namespace gpos;
using namespace gpdxl;
// class for indexinfo in relation metadata
class CMDIndexInfo : public IMDInterface
{
private:
// index mdid
IMDId *m_mdid;
// is the index partial
BOOL m_is_partial;
public:
// ctor
CMDIndexInfo(IMDId *mdid, BOOL is_partial);
// dtor
~CMDIndexInfo() override;
// index mdid
IMDId *MDId() const;
// is the index partial
BOOL IsPartial() const;
// serialize indexinfo in DXL format given a serializer object
virtual void Serialize(CXMLSerializer *) const;
#ifdef GPOS_DEBUG
// debug print of the index info
virtual void DebugPrint(IOstream &os) const;
#endif
};
} // namespace gpmd
#endif // !GPMD_CMDIndexInfo_H
// EOF
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