function __construct()
{
global $wpdb;
parent::__construct();
$table = "{$wpdb->base_prefix}bp_album";
if (BPMediaImporter::table_exists($table) && BPMediaAlbumimporter::_active('bp-album/loader.php') !== -1 && !$this->column_exists('import_status')) {
$this->update_table();
}
}