yiisoft/yii2 — pull request #1124 by cebe (2013-11-02 20:39:24+00:00)
Title: made querybuilder condition methods public

There is no reason for them to be private.

> Yes, we can even make them public.

https://github.com/yiisoft/yii2/issues/882?source=c#issuecomment-24503392

related to issue #882