ALTER TABLE trash._1 RENAME to t;
ALTER TABLE trash.t SET SCHEMA public;
\dt public.*
        List of relations
 Schema | Name | Type  |  Owner   
--------+------+-------+----------
 public | t    | table | teledb
(1 row)

\dt "trash".*
            List of relations
 Schema |    Name     | Type  |  Owner   
--------+-------------+-------+----------
 trash  | _2          | table | teledb
 trash  | trash_table | table | teledb
(2 rows)