mysql> describe revsrc;
+------------------+------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------+------------------+------+-----+---------+-------+
| revsrc_revid | int(10) unsigned | NO | PRI | NULL | |
| revsrc_srcworkid | int(10) unsigned | NO | PRI | NULL | |
| revsrc_timestamp | binary(14) | NO | MUL | NULL | |
| revsrc_user | int(10) unsigned | NO | | NULL | |
| revsrc_user_text | blob | NO | | NULL | |
| revsrc_comment | blob | NO | | NULL | |
+------------------+------------------+------+-----+---------+-------+