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<?php |
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/** |
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* @author jan huang <[email protected]> |
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* @copyright 2016 |
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* |
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* @see https://www.github.com/janhuang |
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* @see http://www.fast-d.cn/ |
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*/ |
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namespace FastD\Model; |
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use Exception; |
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use Medoo\Medoo; |
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use PDO; |
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/** |
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* Class Database. |
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*/ |
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class Database extends Medoo |
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{ |
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/** |
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* @var array|null |
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*/ |
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protected $config = []; |
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/** |
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* @var PDO |
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*/ |
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public $pdo; |
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/** |
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* Database constructor. |
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* |
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* @param array $options |
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*/ |
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public function __construct(array $options = null) |
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{ |
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$this->config = $options; |
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parent::__construct($this->config); |
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$this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); |
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$this->pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC); |
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$this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false); |
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$this->pdo->setAttribute(PDO::ATTR_STRINGIFY_FETCHES, false); |
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} |
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/** |
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* reconnect database. |
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*/ |
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public function reconnect() |
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{ |
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$this->__construct($this->config); |
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} |
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/** |
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* @param $query |
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* |
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* @return bool|\PDOStatement |
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*/ |
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public function query($query) |
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{ |
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try { |
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return parent::query($query); |
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} catch (Exception $e) { |
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$this->reconnect(); |
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return parent::query($query); |
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} |
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} |
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/** |
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* @param $query |
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* |
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* @return bool|\PDOStatement |
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*/ |
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1 |
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public function exec($query) |
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{ |
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try { |
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1 |
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return parent::exec($query); |
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} catch (Exception $e) { |
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$this->reconnect(); |
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return parent::exec($query); |
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} |
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} |
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public function has($table, $join, $where = null) |
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{ |
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$column = null; |
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$query = $this->query('SELECT EXISTS('.$this->selectContext($table, $join, $column, $where, 1).')'); |
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if ($query && intval($query->fetchColumn()) === 1) { |
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return true; |
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} |
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return false; |
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} |
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} |
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JanHuang /
fastD
