joomla/joomla-cms — pull request #2986 by okonomiyaki3000 (2014-01-30 09:16:13+00:00)
Title: Fix union. Fix union tests.

Because it currently does not work at all.
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33207&start=0