/sqlite3cc

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- initial commit
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/*
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 * transaction.cpp
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 *
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 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
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 *
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 * This file is part of sqlitepp (hereafter referred to as "this program").
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 * See http://www.waxworlds.org/edam/software/sqlitepp for more information.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published
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 * by the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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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 Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include <sqlitepp/transaction.hpp>
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#include <sqlitepp/database.hpp>
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#include <sqlitepp/exception.hpp>
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sqlite::transaction::transaction(
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	database &database )
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	:
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	_database( database )
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{
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	int error_code = _database.exec( "BEGIN" );
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	if( error_code != SQLITE_OK ) throw sqlite_error( error_code );
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}
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sqlite::transaction::transaction(
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	database &database,
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	const std::string &begin_sql,
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	const std::string &rollback_sql )
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	:
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	_database( database ),
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	_rollback_sql( rollback_sql )
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{
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	int error_code = _database.exec( begin_sql );
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	if( error_code != SQLITE_OK ) throw sqlite_error( error_code );
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}
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sqlite::transaction::~transaction() throw( )
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{
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	rollback();
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}
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void sqlite::transaction::commit()
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{
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	int error_code = _database.exec( "COMMIT" );
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	if( error_code != SQLITE_OK ) throw sqlite_error( error_code );
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}
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void sqlite::transaction::rollback()
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{
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	int error_code = _database.exec(
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		_rollback_sql.empty()? "ROLLBACK" : _rollback_sql );
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	if( error_code != SQLITE_OK ) throw sqlite_error( error_code );
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}
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sqlite::exclusive_transaction::exclusive_transaction(
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	database &database )
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	:
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	transaction( database, "BEGIN EXCLUSIVE" )
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{
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}