case 'duplicated_commentmeta':
                $query = $wpdb->get_results( $wpdb->prepare( "SELECT GROUP_CONCAT(meta_id ORDER BY meta_id DESC) AS ids, comment_id, COUNT(*) AS count FROM $wpdb->commentmeta GROUP BY comment_id, meta_key, meta_value HAVING count > %d", 1 ) );
                if ( $query ) {
                    foreach ( $query as $meta ) {
                        $ids = array_map( 'intval', explode( ',', $meta->ids ) );