mysql> describe growthexperiments_link_recommendations;
+---------------+------------------+------+-----+---------+-------+
| Field         | Type             | Null | Key | Default | Extra |
+---------------+------------------+------+-----+---------+-------+
| gelr_revision | int(10) unsigned | NO   | PRI | NULL    |       |
| gelr_page     | int(10) unsigned | NO   | MUL | NULL    |       |
| gelr_data     | mediumblob       | NO   |     | NULL    |       |
+---------------+------------------+------+-----+---------+-------+