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doctrine2/lib/Doctrine/Adapter/Mysqli.php
2007-05-19 22:17:59 +00:00

142 lines
4.3 KiB
PHP

<?php
/*
* $Id: Mock.php 1080 2007-02-10 18:17:08Z romanb $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
/**
* Doctrine_Adapter_Mysqli
* This class is used for special testing purposes.
*
* @package Doctrine
* @subpackage Doctrine_Adapter
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision: 1080 $
*/
class Doctrine_Adapter_Mysqli extends Doctrine_Adapter
{
/**
* Creates a connection to the database.
*
* @return void
* @throws Doctrine_Adapter_Mysqli_Exception
*/
protected function _connect()
{
if ($this->_connection) {
return;
}
// Suppress connection warnings here.
// Throw an exception instead.
@$this->_connection = new mysqli(
$this->_config['host'],
$this->_config['username'],
$this->_config['password'],
$this->_config['dbname']
);
if ($this->_connection === false || mysqli_connect_errno()) {
throw new Doctrine_Adapter_Mysqli_Exception(mysqli_connect_error());
}
}
/**
* Force the connection to close.
*
* @return void
*/
public function closeConnection()
{
$this->_connection->close();
$this->_connection = null;
}
/**
* Prepare a statement and return a PDOStatement-like object.
*
* @param string $sql SQL query
* @return Doctrine_Statement_Mysqli
*/
public function prepare($sql)
{
$this->_connect();
$stmt = new Doctrine_Statement_Mysqli($this, $sql);
$stmt->setFetchMode($this->_fetchMode);
return $stmt;
}
/**
* Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.
*
* As a convention, on RDBMS brands that support sequences
* (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence
* from the arguments and returns the last id generated by that sequence.
* On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method
* returns the last value generated for such a column, and the table name
* argument is disregarded.
*
* MySQL does not support sequences, so $tableName and $primaryKey are ignored.
*
* @param string $tableName OPTIONAL Name of table.
* @param string $primaryKey OPTIONAL Name of primary key column.
* @return integer
*/
public function lastInsertId($tableName = null, $primaryKey = null)
{
$mysqli = $this->_connection;
return $mysqli->insert_id;
}
/**
* Begin a transaction.
*
* @return void
*/
protected function _beginTransaction()
{
$this->_connect();
$this->_connection->autocommit(false);
}
/**
* Commit a transaction.
*
* @return void
*/
protected function _commit()
{
$this->_connect();
$this->_connection->commit();
$this->_connection->autocommit(true);
}
/**
* Roll-back a transaction.
*
* @return void
*/
protected function _rollBack()
{
$this->_connect();
$this->_connection->rollback();
$this->_connection->autocommit(true);
}
}