code: public function run($query, array $params = array())
  	{
  		$statement = $this->pdo->prepare($query);
  		$statement->execute($params);
  
  		return $statement;
  	}
docs: Run a MySQL query.
  
  @param  string $query   The query to run
  @param  array  $params  Any query params to add
  @return \PDOStatement