On Jan 21, 2014, at 9:07 AM, Enrico Bottani <bei...@mac.com> wrote: > Hello everybody, > > I have a question about a query I'm trying to obtain. > > I have three classes: > > Unit --> QuestionUnit --> VideoQuestionUnit > > This is working fine with SQLAlchemy, what I'm struggling now is trying to > get only the QuestionUnits, but not the VideoQuestionUnit. > > I would like to put a condition in this method: > questionUnits = [i.serialize for i in > QuestionUnit.query.filter(QuestionUnit.brand_id == brandID).all()] > > I have tried a lot of different things but never succeed,can someone please > point me in the right direction?
filter on the discriminator: query(QuestionUnit).filter(QuestionUnit.type == ‘question_unit’)
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