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<?php |
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/** |
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* @filesource PDOSQLiteDriver.php |
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* @created 05.01.2016 |
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* @package chillerlan\Database\Drivers\PDO |
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* @author Smiley <[email protected]> |
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* @copyright 2016 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Database\Drivers\PDO; |
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use chillerlan\Database\DBException; |
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use chillerlan\Database\Drivers\DBDriverInterface; |
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use PDO; |
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/** |
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* Class PDOSQLiteDriver |
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*/ |
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class PDOSQLiteDriver extends PDODriverAbstract{ |
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/** |
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* The PDO drivername which is being used in the DSN |
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* |
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* @var string |
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*/ |
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protected $drivername = 'sqlite'; |
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/** |
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* Returns a DSN string using the given options |
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* @see http://php.net/manual/ref.pdo-sqlite.connection.php |
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* |
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* @return string DSN |
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*/ |
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protected function getDSN():string { |
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return $this->drivername.':'.$this->options->database; |
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} |
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/** |
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* Returns info about the database server |
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* |
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* @return string database's serverinfo string |
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*/ |
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public function getServerInfo():string { |
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return $this->drivername.' (PDO::ATTR_SERVER_INFO not available)'; |
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} |
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/** |
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* Establishes a database connection and returns the connection object |
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* |
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* @return \chillerlan\Database\Drivers\DBDriverInterface |
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* @throws \chillerlan\Database\DBException |
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*/ |
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public function connect():DBDriverInterface{ |
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if($this->db instanceof PDO){ |
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return $this; |
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} |
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try{ |
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if($this->options->database !== ':memory:' && !is_file($this->options->database)){ |
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trigger_error('file not found'); |
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} |
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if($this->options->database === ':memory:'){ |
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$this->pdo_options += [PDO::ATTR_PERSISTENT => true]; |
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} |
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$this->db = new PDO($this->getDSN(), null, null, $this->pdo_options); |
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return $this; |
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} |
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catch(\Exception $e){ |
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throw new DBException('db error: [PDOSQLiteDriver]: '.$e->getMessage()); |
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} |
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} |
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} |
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chillerlan /
php-database
