In appadmin, you can specify a query to define which records to select, but 
you cannot specify columns or expressions to calculate from the returned 
records. You'll have to create a custom action to do that, or do it in a 
web2py shell. I use an IPython Notebook web2py shell with some special 
methods for rendering Rows -- looks like this:



Note, in the shell, you will need to call db.commit() to commit any changes 
you make to the database.

Anthony

On Thursday, April 16, 2015 at 10:26:16 AM UTC-4, Carla Raquel wrote:
>
> I'm having some troubles making a sum query in appadmin.I want to sum all 
> the values of field 'Custo' and then group by type of service, much like 
> you would do in a dal query.I tried db.Chamada.Custo.sum() just to start, 
> but that doesn't work.It gives me a 'misuse of aggregate: SUM()' error. Any 
> help would be appreciated.
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> Cheers,
> Carla
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-- 
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