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https://issues.apache.org/jira/browse/SOLR-349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12525935
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Yonik Seeley commented on SOLR-349:
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This issue is more for a top-down approach (less concerned with underlying
implementation, more with just making it possible via http get).
- We need ways to add multiple fields together, multiply fields together, etc.
- We need a scaling function... for example, the range of all the components
may not be known, but one may want the final value to be between 1 and 2. For
something like this to be done efficiently, it seems like a min and max would
be needed on ValueSource? Barring that, this value source would need to
iterate over *all* documents and scale appropriately. Perhaps do the latter
for the first implementation and we could always optimize later?
> boost query by a function of other fields
> -----------------------------------------
>
> Key: SOLR-349
> URL: https://issues.apache.org/jira/browse/SOLR-349
> Project: Solr
> Issue Type: New Feature
> Reporter: Yonik Seeley
>
> User should be able to boost a query by a function of other fields
> Some background:
> http://www.nabble.com/boosting-a-query-by-a-function-of-other-fields-tf4387856.html#a12510092
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