UtilDelete.hpp
上传用户:romrleung
上传日期:2022-05-23
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文件大小:3k
- /* 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 UTIL_DELETE_HPP
- #define UTIL_DELETE_HPP
- #include "SignalData.hpp"
- #include <SimpleProperties.hpp>
- /**
- * UTIL_DELETE_REQ, UTIL_DELETE_CONF, UTIL_DELETE_REF
- */
- /**
- * @class UtilDeleteReq
- * @brief Delete transaction in Util block
- *
- * Data format:
- * - UTIL_DELETE_REQ <prepareId> <ListOfAttributeHeaderValuePairs>
- */
- class UtilDeleteReq {
- /** Sender(s) / Receiver(s) */
- friend class DbUtil;
- /** For printing */
- friend bool printUTIL_DELETE_REQ(FILE * output, const Uint32 * theData,
- Uint32 len, Uint16 receiverBlockNo);
- public:
- STATIC_CONST( DataLength = 22 );
- STATIC_CONST( HeaderLength = 3 );
- private:
- Uint32 senderData;
- Uint32 prepareId; // Which prepared transaction to execute
- Uint32 totalDataLen; // Total length of attrData (including AttributeHeaders
- // and possibly spanning over multiple signals)
- /**
- * Length in this = signal->length() - 3
- * Sender block ref = signal->senderBlockRef()
- */
-
- Uint32 attrData[DataLength];
- };
- /**
- * @class UtilDeleteConf
- *
- * Data format:
- * - UTIL_PREPARE_CONF <UtilPrepareId>
- */
- class UtilDeleteConf {
- /**
- * Sender(s) / Receiver(s)
- */
- friend class DbUtil;
- /**
- * For printing
- */
- friend bool printUTIL_DELETE_CONF(FILE * output,
- const Uint32 * theData,
- Uint32 len,
- Uint16 receiverBlockNo);
- STATIC_CONST( SignalLength = 1 );
- private:
- Uint32 senderData; ///< The client data provided by the client sending
- ///< UTIL_DELETE_REQ
- };
- /**
- * @class UtilDeleteRef
- *
- * Data format:
- * - UTIL_PREPARE_REF
- */
- class UtilDeleteRef {
- /**
- * Sender(s) / Receiver(s)
- */
- friend class DbUtil;
- /**
- * For printing
- */
- friend bool printUTIL_DELETE_REF(FILE * output,
- const Uint32 * theData,
- Uint32 len,
- Uint16 receiverBlockNo);
- STATIC_CONST( SignalLength = 2 );
- private:
- Uint32 senderData;
- Uint32 errorCode; ///< See UtilExecuteRef::errorCode
- Uint32 TCErrorCode;
- };
- #endif