I'm trying this code below & i'm getting *<type
'exceptions.AttributeError'> 'Expression' object has no attribute
'tablename' * ERROR*, *whats wrong with my code? or What am i missing??
*def payments(): payments_sum_field =
db.payments.amount.sum().with_alias('total')
grid_table=SQLFORM.grid(db.payments, fields=[db.payments.client,
db.payments.amount, db.payments.recorded,db.payments.recorded_on,
payments_sum_field]) return locals()*
On Thursday, April 7, 2022 at 2:26:48 PM UTC+2 Jim S wrote:
> It looks like there is support for groupby in SQLFORM.grid which is what
> you'd need to build the proper SQL statement.
>
> I haven't tried this with web2py. If I were, I'd try adding a groupby
> clause and a list of fields that include your sum field. Something like
> this (not tested)
>
> payments_sum_field = db.payments.amount.sum()
> SQLFORM.grid(db.payments, fields=[db.payments.field_1,
> db.payments.field_2, payments_sum_field], groupby=[db.payments.field_1,
> db.payments.field_2])
>
>
> FWIW - I just submitted a PR for py4web to do exactly what you're talking
> about. Looking at the code in web2py for groupby I see that I can improve
> what I'd submitted so far.
>
> -Jim
>
> On Thursday, April 7, 2022 at 3:29:37 AM UTC-5 mostwanted wrote:
>
>> Hi guys, I was wondering if i could create a sums column on an
>> SQLFORM.grid so that every search that's made produces a sums value,
>> something like this:
>>
>>
>>
>>
>>
>>
>> *def payments(): grid = SQLFORM.grid(db.payments, args=[db.payments])
>> if grid.process().accepted: query=("#Search queries of the
>> SQLFORMgrid") amount =
>> db(query).select((db.payments.amount).sum().with_alias('total')) return
>> locals()*
>>
>> Whats possible and whats not?
>>
>> Regards;
>>
>>
--
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