TuxMaint.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 TUX_MAINT_HPP
- #define TUX_MAINT_HPP
- #include "SignalData.hpp"
- /*
- * Ordered index maintenance operation.
- */
- class TuxMaintReq {
- friend class Dbtup;
- friend class Dbtux;
- friend bool printTUX_MAINT_REQ(FILE*, const Uint32*, Uint32, Uint16);
- public:
- enum OpCode { // first byte of opInfo
- OpAdd = 1,
- OpRemove = 2
- };
- enum OpFlag { // second byte of opInfo
- };
- enum ErrorCode {
- NoError = 0, // must be zero
- SearchError = 901, // add + found or remove + not found
- NoMemError = 902
- };
- STATIC_CONST( SignalLength = 8 );
- private:
- /*
- * Error code set by TUX. Zero means no error.
- */
- Uint32 errorCode;
- /*
- * Table, index, fragment.
- */
- Uint32 tableId;
- Uint32 indexId;
- Uint32 fragId;
- /*
- * Tuple version identified by physical address of "original" tuple
- * and version number.
- */
- Uint32 pageId;
- Uint32 pageOffset;
- Uint32 tupVersion;
- /*
- * Operation code and flags.
- */
- Uint32 opInfo;
- };
- #endif