Yes!! You are right!! Thanks a lot!!
On Nov 24, 4:04 pm, Frederick Cheung <[EMAIL PROTECTED]>
wrote:
> On 23 Nov 2008, at 19:07, Alfredo Rico Moros <[EMAIL PROTECTED]>
> wrote:
>
>
>
>
>
> > Hi to everyboy.. I need your help in order to know if I get wrong..
>
> > I have this migration file:
>
> > class CreateSpecifications < ActiveRecord::Migration
> > def self.up
> > create_table :specifications do |t|
> > t.string :tolerancia
> > t.integer :umbral
>
> > t.timestamps
> > end
> > end
>
> > def self.down
> > drop_table :specifications
> > end
> > end
>
> > I put some data by mean of script/console
> > Specification.create(:umbral => 33, :tolerancia => 'alta')
> > Specification.create(:umbral => 23, :tolerancia => 'alta')
> > Specification.create(:umbral => 12, :tolerancia => 'baja')
> > Specification.create(:umbral => 33, :tolerancia => 'baja')
>
> > Then when I run the following statement
> > Specification.find(:all, :select => 'tolerancia, sum(umbral) as
> > total', :group => 'tolerancia')
>
> > I get the following:
> > [#<Specification tolerancia: "alta">, #<Specification tolerancia:
> > "baja">]
>
> > Where is my total field??? How could I get it???
>
> The default display for activerecord objects only shows attributes
> corresponding to columns on the table. It's there - just not
> displayed. Call the total method to read it ( although in this case
> i'd just use the sum method instead of find)
>
> Fred
>
>
>
> > Besides, whit the following statement:
> >>> Specification.find(:first, :select => 'now() as ahora')
> > => #<Specification >
>
> > Where is my field 'ahora'?
>
> Same as above
>
> > Thanks in advanced by your help...
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