id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 24923,Aggregates in order_by should error out nicely,Anssi Kääriäinen,Tim Graham ,"Expressions are allowed in order_by, but aggregates don't currently work. Making them work would cause too much trouble when taking in account that you can already do {{{ qs.annotate(agg=Sum('foo')).order_by('agg') }}} as opposed to {{{ qs.order_by(Sum('foo')) }}}",Cleanup/optimization,closed,"Database layer (models, ORM)",dev,Normal,fixed,,,Ready for checkin,0,0,0,0,0,0