sanger/lims-laboratory-app — pull request #42 by llh1 (2013-07-30 12:58:58+00:00)
Title: 54198226 fix migrations 8 and 9

Using add_unique_constraint results in en error like:
Error: Sequel::DatabaseError: Mysql2::Error: Incorrect index name 'tube_id'
with MySQL. Fix using add_index with the attribute :unique=>true