Zend_Db_Table_Abstract::isIdentity PHP Method

    public function isIdentity($column)
    {
        $this->_setupPrimaryKey();
        if (!isset($this->_metadata[$column])) {
            /**
             * @see Zend_Db_Table_Exception
             */
            require_once 'Zend/Db/Table/Exception.php';
            throw new Zend_Db_Table_Exception('Column "' . $column . '" not found in table.');
        }
        return (bool) $this->_metadata[$column]['IDENTITY'];
    }