phpbb/phpbb3 — pull request #1334 by nickvergessen (2013-04-11 11:15:06+00:00)
Title: Ticket/11415 Do not call load_migration_state() in constructor of migrator

Instead the state is only loaded when it is required. This saves a query to migrations-table on every page load

http://tracker.phpbb.com/browse/PHPBB3-11415