Extension:GrowthExperiments/growthexperiments link submissions table

mysql> describe growthexperiments_link_submissions; ++--+--+-+-+---+ ++--+--+-+-+---+ ++--+--+-+-+---+
 * Field             | Type             | Null | Key | Default | Extra |
 * gels_revision     | int(10) unsigned | NO   | PRI | NULL    |       |
 * gels_anchor_offset | int(10) unsigned | NO  | PRI | NULL    |       |
 * gels_target       | int(10) unsigned | NO   | PRI | NULL    |       |
 * gels_page         | int(10) unsigned | NO   | MUL | NULL    |       |
 * gels_edit_revision | int(10) unsigned | YES |     | NULL    |       |
 * gels_user         | int(10) unsigned | NO   |     | NULL    |       |
 * gels_anchor_length | int(10) unsigned | NO  |     | NULL    |       |
 * gels_feedback     | varbinary(1)     | NO   |     | NULL    |       |