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104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id$
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//
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/** @file */
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#ifndef WE_TABLEMETADATA_H__
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#define WE_TABLEMETADATA_H__
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#include <stdint.h>
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#include "we_type.h"
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#include "brmtypes.h"
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#include <map>
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#include <vector>
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#if defined(_MSC_VER) && defined(WRITEENGINE_DLLEXPORT)
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#define EXPORT __declspec(dllexport)
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#else
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#define EXPORT
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#endif
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namespace WriteEngine
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{
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struct ColExtInfo {
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uint16_t dbRoot;
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uint32_t partNum;
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uint16_t segNum;
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HWM hwm;
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RID lastRid;
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int64_t max;
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int64_t min;
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bool isNewExt;
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bool current;
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uint16_t compType;
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bool isDict;
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ColExtInfo() :
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dbRoot(0),
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partNum(0),
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segNum(0),
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hwm(0),
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lastRid(0),
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max(0),
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min(0),
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isNewExt(false),
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current(true),
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compType(2),
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isDict(false)
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{}
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};
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typedef std::vector<ColExtInfo> ColExtsInfo;
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typedef std::map<OID, ColExtsInfo> ColsExtsInfoMap;
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class TableMetaData
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{
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public:
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typedef std::map <uint32_t, TableMetaData*> TableMetaDataMap;
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EXPORT static TableMetaData* makeTableMetaData(uint32_t tableOid);
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/** remove and delete the instance map to the tableOid
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* @param tableOid
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*/
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EXPORT static void removeTableMetaData(uint32_t tableOid);
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EXPORT ColExtsInfo & getColExtsInfo (OID columnOid);
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EXPORT void setColExtsInfo (OID columnOid, ColExtsInfo colExtsInfo);
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EXPORT ColsExtsInfoMap& getColsExtsInfoMap();
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private:
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/** Constuctors */
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explicit TableMetaData();
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explicit TableMetaData(const TableMetaData& rhs);
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~TableMetaData();
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static boost::mutex map_mutex;
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static TableMetaDataMap fTableMetaDataMap;
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boost::mutex fColsExtsInfoLock;
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ColsExtsInfoMap fColsExtsInfoMap;
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};
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} //end of namespace
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#undef EXPORT
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#endif
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// vim:ts=4 sw=4:
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