Hi,
I confirm this error here with 2.5.1
Ciao ciao
Mirko
On Thursday, September 19, 2013 10:49:35 AM UTC+2, hiro wrote:
>
> In the book I read:
>
> *Showing virtual fields in SQLFORM.grid and smartgrid*
> In recent versions of web2py, virtual fields are shown in grids like
> normal fields: either shown alongside all other fields by default, or by
> including them in the fields argument. However, virtual fields are not
> sortable.
>
> However, if i use the welcome app and define:
>
> db.define_table('entity',
> Field('entity_name', 'string'),
> Field('slogan', 'string'),
> Field.Virtual('slogan2', lambda row: row.entity.slogan+', it is
> really the best.')
> )
>
> and then create a grid:
>
> def index():
> my_grid = SQLFORM.grid(db.entity)
> return locals()
>
> Reading the book I expect this to work. However I get the error 'Query
> Not Supported: no such column: entity.slogan2' in the smartgrid.
>
> Massimo, is this related to to the same bug I asked about yesterday? (I
> have not yet updated my web2py to trunk, but did not find anything about
> this issue in the tracker.)
>
> One solution might be to change the Virtual Fiels to computed fields.
>
> A big hug to all web2py contributors!
>
--
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