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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