phpbb/phpbb — pull request #2607 by Noxwizard (2014-06-16 01:05:19+00:00)
Title: Ticket/12643

https://tracker.phpbb.com/browse/PHPBB3-12643
Fixes deletion of columns that have the target column as a prefix (e.g. forum_posts and forum_posts_approved).
Fixes column changes when tables have certain constraints on them.