Fabrik/fabrik — pull request #1031 by apzentral (2013-10-22 15:23:38+00:00)
Title: Fix Pre-filter for SQL Grouped function in List. (Joomla 3 and Fabrik 3.1)

In Method "prefilterSetting" didn't return back $afilterGrouped and in
Method "getPrefilterArray" didn't have $afilterGrouped.

This fix will allow Pre-filter to be grouped.