A quick question about field weight defaults. Now with the ability to see
the actual query that goes through to Sphinx, I'm noticing that on
model-specific queries that the default fields weights are not getting
sent. Is the "set_property :field_weights => {}" syntax within the
*_index.rb file incorrect or not used at all any more? I can get field
weights to go across when explicitly placing them in the .search statement
though.
On Friday, February 8, 2013 6:33:51 PM UTC-5, Pat Allan wrote:
>
> Hi Lonnie
>
> I'm afraid what you're after isn't possible with *Sphinx*, rather than
> Thinking Sphinx - though is an easy enough work-around. Firstly: Thinking
> Sphinx doesn't use field weight defaults when you're searching across
> multiple models, and part of that is the complexity of combining field
> weights in the expected manner, but also: when you're querying across
> multiple indices, Sphinx doesn't distinguish between fields from each -
> there's no equivalent of a SQL database approach (companies.name vs
> brands.name).
>
> So, the workaround: the fields need to have different names, and you'll
> need to specify the weights when searching.
>
> Hope this helps.
>
> --
> Pat
>
> On 09/02/2013, at 7:13 AM, Lonnie Warpup wrote:
>
> > I am having difficulties with multiple indexes defined on different
> models, but with different field_weights. For example:
> >
> > brand_index.rb
> > ThinkingSphinx::Index.define :brand, :with => :active_record do
> > indexes :name
> >
> > set_property :field_weights => {
> > :name => 5
> > }
> > end
> >
> > company_index.rb
> > ThinkingSphinx::Index.define :company, :with => :active_record do
> > indexes :name
> >
> > set_property :field_weights => {
> > :name => 10
> > }
> > end
> >
> > When I execute the following query, I don't see any reference to the
> field weights and I'm always getting Brand records first.
> >
> > ThinkingSphinx.search('sometext', :indices => %w[brand_core
> company_core])
> > => SELECT * FROM `brand_core`, `company_core` WHERE MATCH('sometext')
> AND sphinx_deleted = 0 LIMIT 0, 20
> >
> > However if I explicitly add the field weights to the search command I do
> see them. This however doesn't help me with different models having
> different weights.
> >
> > ThinkingSphinx.search('sometext', :field_weights => { :name => 10 },
> :indices => %w[brand_core company_core])
> > => SELECT * FROM `brand_core`, `company_core` WHERE MATCH('sometext')
> AND sphinx_deleted = 0 LIMIT 0, 20 OPTION field_weights=(name=10)
> >
> > Is this no longer possible in the 3.x gem, or am I doing something wrong?
> >
> > Thanks.
> > -Lonnie
> >
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>
>
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