root@db1089.eqiad.wmnet[information_schema]> select column_name,column_default from columns where table_name like 'revision_actor_temp';
+--------------------+----------------+
| column_name        | column_default |
+--------------------+----------------+
| revactor_rev       | NULL           |
| revactor_actor     | NULL           |
| revactor_timestamp |                |
| revactor_page      | NULL           |
+--------------------+----------------+
4 rows in set (0.003 sec)

root@db1089.eqiad.wmnet[information_schema]>