public function releaseNamedLock($name)
    {
        $stmt = $this->query('SELECT RELEASE_LOCK("' . $name . '")');
        return $stmt->fetch(self::FETCH_COLUMN);

    }
public function releaseNamedLock($name)
    {
        $stmt = $this->query('SELECT RELEASE_LOCK("' . $name . '")');
        return $stmt->fetch(self::FETCH_COLUMN);

    }
public function releaseNamedLock ( $ name ) { $ stmt = $ this -> query ( 'SELECT RELEASE_LOCK("' . $ name . '")' ) ; return $ stmt -> fetch ( self :: FETCH_COLUMN ) ; }
releases a named lock

@author Housseyn Guettaf

@param string $name    - Lock name

@return mixed
releases a named lock