lexik/LexikFormFilterBundle — pull request #23 by galan83 (2012-08-31 07:03:42+00:00)
Title: Update Filter/Extension/Type/DateRangeFilterType.php

Hi,

we were using a DateRangeFilter and we found an error. When you we do a filter without date values, the applyFilter method builds a query with an empty WHERE clause, causing an exception.