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doctrine2/lib/Doctrine/DBAL/Driver/PDOSqlite/Driver.php

118 lines
3.7 KiB
PHP

<?php
/*
* $Id$
*
* 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.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Driver\PDOSqlite;
/**
* The PDO Sqlite driver.
*
* @since 2.0
*/
class Driver implements \Doctrine\DBAL\Driver
{
/**
* @var array
*/
protected $_userDefinedFunctions = array(
'sqrt' => array('callback' => array('Doctrine\DBAL\Platforms\SqlitePlatform', 'udfSqrt'), 'numArgs' => 1),
'mod' => array('callback' => array('Doctrine\DBAL\Platforms\SqlitePlatform', 'udfMod'), 'numArgs' => 2),
'locate' => array('callback' => array('Doctrine\DBAL\Platforms\SqlitePlatform', 'udfLocate'), 'numArgs' => -1),
);
/**
* Tries to establish a database connection to SQLite.
*
* @param array $params
* @param string $username
* @param string $password
* @param array $driverOptions
* @return Connection
*/
public function connect(array $params, $username = null, $password = null, array $driverOptions = array())
{
if (isset($driverOptions['userDefinedFunctions'])) {
$this->_userDefinedFunctions = array_merge(
$this->_userDefinedFunctions, $driverOptions['userDefinedFunctions']);
unset($driverOptions['userDefinedFunctions']);
}
$pdo = new \Doctrine\DBAL\Driver\PDOConnection(
$this->_constructPdoDsn($params),
$username,
$password,
$driverOptions
);
foreach ($this->_userDefinedFunctions AS $fn => $data) {
$pdo->sqliteCreateFunction($fn, $data['callback'], $data['numArgs']);
}
return $pdo;
}
/**
* Constructs the Sqlite PDO DSN.
*
* @return string The DSN.
* @override
*/
protected function _constructPdoDsn(array $params)
{
$dsn = 'sqlite:';
if (isset($params['path'])) {
$dsn .= $params['path'];
} else if (isset($params['memory'])) {
$dsn .= ':memory:';
}
return $dsn;
}
/**
* Gets the database platform that is relevant for this driver.
*/
public function getDatabasePlatform()
{
return new \Doctrine\DBAL\Platforms\SqlitePlatform();
}
/**
* Gets the schema manager that is relevant for this driver.
*
* @param Doctrine\DBAL\Connection $conn
* @return Doctrine\DBAL\Schema\SqliteSchemaManager
*/
public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
{
return new \Doctrine\DBAL\Schema\SqliteSchemaManager($conn);
}
public function getName()
{
return 'pdo_sqlite';
}
public function getDatabase(\Doctrine\DBAL\Connection $conn)
{
$params = $conn->getParams();
return isset($params['path']) ? $params['path'] : null;
}
}