use this docs to shed some light ^_^ http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#sum--avg--min--max-and-len
On Wednesday, May 28, 2014 10:45:32 PM UTC+2, Floyd Noel wrote: > > Hello all, > > New web2py user here. I'm trying to translate the following query to work > in the DAL: > > SELECT items.description, sum(quantity) FROM orders.items GROUP BY > description; > > This gives me the items together with the quantity totals for each type of > item. I'm having trouble getting this to work in web2py however. > > I've tried this: > > items = db.t_items > desc = items.f_description > qty = items.f_quantity > count_view = db().select(desc, qty.sum(), groupby=desc).as_list() > > Which doesn't work. If I remove the .sum(), I just get one entries' > quantity. How can I make this work? TIA > > > -- 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.
