Pat,
Do you know if facets work in the sphinx-0.9.9 branch? I'm getting an
exception when I call Model.facets. I've just added :facet => true to a few
of the columns in the index definition. Are there any column types that
can't be treated as a facet?
Error below:
>> Model.facets
NoMethodError: You have a nil object when you didn't expect it!
The error occurred while evaluating nil.columns
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/attribute.rb:230:in
`type_from_database'
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/attribute.rb:236:in
`translated_type_from_database'
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/attribute.rb:148:in
`type'
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/facet.rb:29:in
`value'
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/facet_collection.rb:17:in
`add_from_results'
from
/path/to/project/vendor/plugins/thinking-sphinx/lib/thinking_sphinx/collection.rb:118:in
`each_with_groupby_and_count'
On Wed, Jan 21, 2009 at 6:50 PM, Pat Allan <[email protected]> wrote:
>
> Hi Tom
>
> You need to define the facets in your define_index block - either by
> using existing fields or attributes:
> indexes location, :facet => true
> has age, :facet => true
> Or by adding an explicit column for the facet:
> facet location
>
> Keep in mind facets need to have unique names across facets,
> attributes and fields - so you couldn't put all three of the above
> lines together, you'd need to give the last one an alias via the :as
> option.
>
> Once that's set up and you've stopped Sphinx, re-indexed and
> restarted, then you can use it on the model as follows:
> Model.facets
> Which returns a collection accessible as a hash, with keys for each
> facet and results as the values. You can also drill down into a full
> result set:
> Model.facets.for(:location => "Melbourne")
>
> There's also a little bit more detail in this gist:
> http://gist.github.com/48328
>
> Multi-model faceting is not supported *yet*, but it's in the pipeline.
>
> Cheers
>
> --
> Pat
>
> On 22/01/2009, at 4:27 AM, Tom Hunter wrote:
>
> >
> > Could someone give me a brief explanation of how to use the facets?
> > I'm not sure quite what to put as arguments when calling the facets
> > method and if anything needs go to in the define_index block? Thanks
> > in advance!
> >
> > - Tom Hunter
> >
> > >
>
>
> >
>
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