mozilla/mediawiki-bugzilla — pull request #20 by reedy (2013-03-30 01:45:58+00:00)
Title: Allow mediawiki table prefixes to be honoured at creation

In it's current form, the extension does not comply, and therefore doesn't create table and index prefixes. If MySQL is used as the caching source, the queries would be attempted on the prefixed version, which of course won't exist.