2009/9/17 Greg Donald <[email protected]>:
>
> On Wed, Sep 16, 2009 at 7:33 PM, Dudebot <[email protected]> wrote:
>>
>> Thanks super, Greg, for helping me out.  I'm dense, 'cause I couldn't
>> figure out the syntax for 'whatever'.  I did get this to work in
>> the .erb file:
>>
>> <% if Item.find( item ).orders.size > 0 %>
>
> I'd go with orders.empty?
>
> You will want to do your find in the controller.  Set the results to
> an instance variable.
>
> @item = Item.find(...)
>
> Then that instance variable is available in your view:
>
> <%= debug @item %>
>
>>        <%=h "Found #{item.title} in Orders" %>
>> <% end %>
>>
>> But I'm just wondering... is that the most efficient way to do it?  Is
>> there a more efficient way?
>
> Depends on your app.  You might want that :include => :items or you
> might not.  It'll save a bunch of smaller queries later if you leave
> it off, but then what if you needed all those items?  It's up to you.

Isn't that the wrong way round?

Colin

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