Change user_id type to varchar to make it compatible to union user model
Change user_id type to varchar to make it compatible to union user model

nsams/koala-framework,kaufmo/koala-framework,kaufmo/koala-framework,nsams/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,yacon/koala-framework,nsams/koala-framework,yacon/koala-framework,koala-framework/koala-framework,yacon/koala-framework