Extension:LiquidThreads/thread pending relationship table

mysql> describe thread_pending_relationship;
+------------------+------------------+------+-----+---------+-------+
| Field            | Type             | Null | Key | Default | Extra |
+------------------+------------------+------+-----+---------+-------+
| tpr_thread       | int(10) unsigned | NO   | PRI | NULL    |       |
| tpr_relationship | varbinary(64)    | NO   | PRI | NULL    |       |
| tpr_title        | varbinary(255)   | NO   |     | NULL    |       |
| tpr_type         | varbinary(32)    | NO   |     | NULL    |       |
+------------------+------------------+------+-----+---------+-------+