AlterTab.hpp
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上传日期:2022-05-23
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef ALTER_TAB_HPP
- #define ALTER_TAB_HPP
- #include "SignalData.hpp"
- #include "GlobalSignalNumbers.h"
- /**
- * AlterTab
- *
- * Implemenatation of AlterTable
- */
- class AlterTabReq {
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdict;
- friend class Dbdih;
- friend class Dbtc;
- friend class Dblqh;
- /**
- * For printing
- */
- friend bool printALTER_TAB_REQ(FILE*, const Uint32*, Uint32, Uint16);
-
- public:
- STATIC_CONST( SignalLength = 9 );
-
- enum RequestType {
- AlterTablePrepare = 0, // Prepare alter table
- AlterTableCommit = 1, // Commit alter table
- AlterTableRevert = 2 // Prepare failed, revert instead
- };
- private:
- Uint32 senderRef;
- Uint32 senderData;
- Uint32 clientRef;
- Uint32 clientData;
- Uint32 changeMask;
- Uint32 tableId;
- Uint32 tableVersion;
- Uint32 gci;
- Uint32 requestType;
- SECTION( DICT_TAB_INFO = 0 );
- };
- struct AlterTabRef {
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdict;
- friend class Dbdih;
- friend class Dbtc;
- friend class Dblqh;
- friend class Dbtup;
- friend class SafeCounter;
-
- /**
- * For printing
- */
- friend bool printALTER_TAB_REF(FILE *, const Uint32 *, Uint32, Uint16);
-
- STATIC_CONST( SignalLength = 7 );
- STATIC_CONST( GSN = GSN_ALTER_TAB_REF );
- enum ErrorCode {
- NF_FakeErrorREF = 255
- };
- Uint32 senderRef;
- Uint32 senderData;
- Uint32 errorCode;
- Uint32 errorLine;
- Uint32 errorKey;
- Uint32 errorStatus;
- Uint32 requestType;
- };
- class AlterTabConf {
- /**
- * Sender(s) / Reciver(s)
- */
- friend class Dbdict;
- friend class Dbdih;
- friend class Dbtc;
- friend class Dblqh;
- friend class Dbtup;
-
- /**
- * For printing
- */
- friend bool printALTER_TAB_CONF(FILE *, const Uint32 *, Uint32, Uint16);
-
- public:
- STATIC_CONST( SignalLength = 7 );
- private:
- Uint32 senderRef;
- Uint32 senderData;
- Uint32 changeMask;
- Uint32 tableId;
- Uint32 tableVersion;
- Uint32 gci;
- Uint32 requestType;
- };
- #endif