Hi Gordon
Ah, that's a little tricky. There's three approaches I can think of.
Option A: add another association to A for just active Bs:
has_many :active_bs, :class_name => 'B', :conditions => {:active => true}
And then add a join to that association in your index, plus the attribute using
a bit of SQL. If you're using your original bs association somewhere, you'll
need to make sure you get the table alias correct in this SQL snippet:
define_index do
join active_bs
has "COUNT(bs.id) > 0", :as => :active_bs, :type => :boolean
end
Option B (MySQL only!): Use the standard association, but put more complexity
into the SQL snippet:
define_index do
join bs
has "SUM(bs.active) > 0", :as => :active_bs, :type => boolean
end
Option C is just like B, but for PostgreSQL. This is where it gets complex, as
booleans are data types here:
define_index do
join bs
has "SUM(CASE bs.active WHEN TRUE THEN 1 ELSE 0 END) > 0", :as =>
:active_bs, :type => :boolean
end
Hope one of these suits.
Cheers
--
Pat
On 13/07/2012, at 2:56 PM, Gordon Friebe wrote:
> Hi,
>
> I have a Model A that is being indexed. Connected to model A via a has_may
> relatiosnhip is model B.
> Model B has a boolean attribute active.
>
> My index needs an attribute that shows me whether there are any active Bs
> connected to A.
>
> define index do
> has bs, as: :active
> end
>
> So I need to do A.search with: {active: true}.
>
> How can this be done? I just cannot find how to do this with thinking sphinx.
> Thanks a lot!
>
> Gordon
>
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