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<?php /** DriverMicro */ |
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namespace Micro\Db\Drivers; |
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use Micro\Base\Exception; |
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/** |
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* Driver class file. |
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* |
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* @author Oleg Lunegov <[email protected]> |
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* @link https://github.com/linpax/microphp-framework |
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* @copyright Copyright (c) 2013 Oleg Lunegov |
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* @license https://github.com/linpax/microphp-framework/blob/master/LICENSE |
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* @package Micro |
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* @subpackage Db\Drivers |
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* @version 1.0 |
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* @since 1.0 |
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*/ |
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abstract class Driver implements IDriver |
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{ |
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/** @var \PDO|null $conn Connection to DB */ |
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protected $conn; |
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/** |
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* Driver constructor. |
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* |
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* @access public |
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* |
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* @param string $dsn DSN connection string |
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* @param array $config Configuration of connection |
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* @param array $options Other options |
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* |
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* @result void |
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* @throws Exception |
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*/ |
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public function __construct($dsn, array $config = [], array $options = []) |
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{ |
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try { |
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$this->conn = new \PDO($dsn, $config['username'], $config['password'], $options); |
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$this->conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); |
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} catch (\PDOException $e) { |
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if (!array_key_exists('ignoreFail', $config) || !$config['ignoreFail']) { |
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throw new Exception('Connect to DB failed: ' . $e->getMessage()); |
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} |
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} |
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} |
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/** |
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* Destructor for this class |
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* |
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* @access public |
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* @return void |
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*/ |
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public function __destruct() |
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{ |
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$this->conn = null; |
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} |
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/** |
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* Table exists in db |
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* |
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* @access public |
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* |
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* @param string $table Table name |
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* |
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* @return bool |
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*/ |
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public function tableExists($table) |
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{ |
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return in_array($table, $this->listTables(), false); |
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} |
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/** |
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* Field exists in table |
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* |
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* @access public |
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* |
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* @param string $field Field name |
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* @param string $table Table name |
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* |
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* @return boolean |
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*/ |
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public function fieldExists($field, $table) |
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{ |
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foreach ($this->listFields($table) AS $tbl) { |
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if ($tbl['field'] === $field) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Send RAW query to DB |
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* |
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* @access public |
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* |
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* @param string $query Raw query to db |
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* @param array $params Params for query |
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* @param int $fetchType Fetching type |
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* @param string $fetchClass Fetching class |
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* |
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* @return \PDOStatement|array |
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* @throws Exception |
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*/ |
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public function rawQuery($query = '', array $params = [], $fetchType = \PDO::FETCH_ASSOC, $fetchClass = 'Model') |
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{ |
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$sth = $this->conn->prepare($query); |
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if ($fetchType === \PDO::FETCH_CLASS) { |
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/** @noinspection PhpMethodParametersCountMismatchInspection */ |
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$sth->setFetchMode($fetchType, $fetchClass, ['new' => false]); |
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} else { |
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$sth->setFetchMode($fetchType); |
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} |
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foreach ($params AS $name => $value) { |
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$sth->bindValue($name, $value); |
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} |
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$sth->execute(); |
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return $sth->fetchAll(); |
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} |
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} |
linpax /
microphp-framework
