protected function init() {
		$this->register_cli();
		if ( ! $this->name ) {
			$this->name = $this->default_table_name();
		}
		// On admin screen, should check db version.
		add_action( 'admin_init', function () {
			// If this is Ajax request, do nothing.
			if ( wp_doing_ajax() ) {
				return;
			}
			$this->create_table();
		}, $this->priority );
	}