Yeah, rake or ruby probably add a format method to the global scope. Wouldn't 
surprise me.

Try using the column reference as opposed to the alias in your WHERE clause: 
formats.name instead of format_name.

Cheers

-- 
Pat


On 14/11/2012, at 10:11 AM, gmoniey wrote:

> Hi,
> 
> I have a simple define index, and I want to limit the indexed records to 
> those that have an association on a nullable field. Here is what my 
> define_index block looks like:
> 
>   define_index do
>     indexes :name, :sortable => true
>     
>     has :format_id, :created_at
>     has assoc(:format).name, :as => :format_name
>         
>     where "my_table.deleted = 0 AND (format_id IS NULL OR format_name LIKE 
> 'Indexable Format Name%')"
>     
>     set_property :delta => :delayed
>   end
> 
> The error that I get when indexing is: Unknown column 'format_name'. I was 
> wondering if the above is even possible?
> 
> Also, just wanted to double check that my assoc has line is correct? Seems 
> like 'format' is a reserved keyword.
> 
> Thanks.
> 
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