once you group, you can only select the grouped fields and any other field as an aggregate. >From a set-based logic perspective (which is what "serious" database enforce) it has absolutely no meaning asking for entity.id in your case.
On Wednesday, December 14, 2016 at 5:44:05 PM UTC+1, Ramos wrote: > > can i get some help? > it was working with sqlite but not with postgresql > > for row in db(db.ficheiros.entity==db.entity.id).select(db.entity.entity, > db.entity.id,count,groupby=db.entity.entity): > > > <class 'psycopg2.ProgrammingError'> column "entity.id" must appear in the > GROUP BY clause or be used in an aggregate function LINE 1: SELECT > entity.entity, entity.id, COUNT(entity.id) FROM fich... ^ > > Many thanks > antónio > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.