create_table( 'td_groups', ' `id` INT( 11 ) AUTO_INCREMENT, `name` TEXT NOT NULL, `is_default` INT NOT NULL DEFAULT 0, `created_at` DATETIME NULL, `updated_at` DATETIME NULL, PRIMARY KEY( `id` )' ); $this->create_table( 'td_fields', ' `id` INT( 11 ) AUTO_INCREMENT, `group_id` INT( 11 ) NOT NULL, `name` TEXT NOT NULL, `type` INT NOT NULL, `data` TEXT NULL, `is_default` INT NOT NULL DEFAULT 0, `created_at` DATETIME NULL, `updated_at` DATETIME NULL, PRIMARY KEY( `id` )' );