I want to use update_or_insert to insert a value to my DB if it doesn't 
exist.

def add_name():
    form = SQLFORM(db.name)
    if form.process().accepted:
        db.name.update_or_insert(db.name.name==request.vars.name, 
name=request.vars.name)
    return dict(form=form)


But it won't work. Names are also added to the DB, even if they already 
there. 

Thanks for your help!

- Andreas

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