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Sqlite.php
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Sqlite.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Database\Driver;
use Cake\Database\Dialect\SqliteDialectTrait;
use Cake\Database\Query;
use Cake\Database\Statement\PDOStatement;
use Cake\Database\Statement\SqliteStatement;
use PDO;
class Sqlite extends \Cake\Database\Driver {
use PDODriverTrait;
use SqliteDialectTrait;
/**
* Base configuration settings for Sqlite driver
*
* @var array
*/
protected $_baseConfig = [
'persistent' => false,
'login' => null,
'password' => null,
'database' => ':memory:',
'encoding' => 'utf8',
'flags' => [],
'init' => [],
'dsn' => null
];
/**
* Establishes a connection to the databse server
*
* @return bool true on success
*/
public function connect() {
if ($this->_connection) {
return true;
}
$config = $this->_config;
$config['flags'] += [
PDO::ATTR_PERSISTENT => $config['persistent'],
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
];
if (empty($config['dsn'])) {
$config['dsn'] = "sqlite:{$config['database']}";
}
$this->_connect($config);
if (!empty($config['init'])) {
foreach ((array)$config['init'] as $command) {
$this->connection()->exec($command);
}
}
return true;
}
/**
* Returns whether php is able to use this driver for connecting to database
*
* @return bool true if it is valid to use this driver
*/
public function enabled() {
return in_array('sqlite', PDO::getAvailableDrivers());
}
/**
* Prepares a sql statement to be executed
*
* @param string|\Cake\Database\Query $query The query to prepare.
* @return \Cake\Database\StatementInterface
*/
public function prepare($query) {
$this->connect();
$statement = $this->_connection->prepare((string)$query);
return new SqliteStatement(new PDOStatement($statement, $this), $this);
}
}