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mariadb-columnstore-engine/dbcon/dmlpackage/deletedmlpackage.h
2017-10-26 17:18:17 +01:00

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/* Copyright (C) 2014 InfiniDB, Inc.
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; version 2 of
the License.
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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/***********************************************************************
* $Id: deletedmlpackage.h 9210 2013-01-21 14:10:42Z rdempsey $
*
*
***********************************************************************/
/** @file */
#ifndef DELETEDMLPACKAGE_H
#define DELETEDMLPACKAGE_H
#include <string>
#include "calpontdmlpackage.h"
#include "bytestream.h"
#if defined(_MSC_VER) && defined(xxxDELETEDMLPKG_DLLEXPORT)
#define EXPORT __declspec(dllexport)
#else
#define EXPORT
#endif
namespace dmlpackage
{
/** @brief concrete implementation of a CalpontDMLPackage
* Specifically for representing DELETE DML Statements
*/
class DeleteDMLPackage : public CalpontDMLPackage
{
public:
/** @brief ctor
*/
EXPORT DeleteDMLPackage();
/** @brief ctor
*
* @param schemaName the schema of the table being operated on
* @param tableName the name of the table being operated on
* @param dmlStatement the dml statement
* @param sessionID the session ID
*/
EXPORT DeleteDMLPackage( std::string schemaName, std::string tableName,
std::string dmlStatement, int sessionID );
/** @brief dtor
*/
EXPORT virtual ~DeleteDMLPackage();
/** @brief write a DeleteDMLPackage to a ByteStream
*
* @param bytestream the ByteStream to write to
*/
EXPORT int write(messageqcpp::ByteStream& bytestream);
/** @brief read a DeleteDMLPackage from a ByteStream
*
* @param bytestream the ByteStream to read from
*/
EXPORT int read(messageqcpp::ByteStream& bytestream);
/** @brief build a DeleteDMLPackage from a string buffer
*
* @param buffer [rowId, columnName, colValue]
* @param columns the number of columns in the buffer
* @param rows the number of rows in the buffer
*/
EXPORT int buildFromBuffer(std::string& buffer, int columns, int rows);
/** @brief build a DeleteDMLPackage from a parsed DeleteSqlStatement
*
* @param sqlStatement the parsed DeleteSqlStatement
*/
EXPORT int buildFromSqlStatement(SqlStatement& sqlStatement);
/** @brief build a InsertDMLPackage from MySQL buffer
*
* @param colNameList, tableValuesMap
* @param rows the number of rows in the buffer
*/
EXPORT int buildFromMysqlBuffer(ColNameList& colNameList, TableValuesMap& tableValuesMap, int columns, int rows, NullValuesBitset& nullValues);
protected:
private:
};
}
#undef EXPORT
#endif //DELETEDMLPACKAGE_H