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 7435,"get_{next,previous}_by_someDateField() on unsaved objects should throw meaningfull error",Marc Fargas,Marc Fargas,"As stated on [http://groups.google.com/group/django-developers/browse_thread/thread/ea2040fde4c62c0f this thread] when you call self.get_{next,previous}_by_someDateField() on an unsaved object Django says something like: ""Cannot use None as a query"" The error could be something easier to understand like ""Cannot query over an unsaved object"".",,closed,Core (Other),dev,,fixed,,,Ready for checkin,1,0,0,0,0,0