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https://issues.apache.org/jira/browse/SOLR-1223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148341#comment-13148341
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Jan Høydahl commented on SOLR-1223:
-----------------------------------
Brian, if you'd like to get the ball rolling, one way is do an initial patch,
and then hope for involvement.
Another way is to hire someone (see http://wiki.apache.org/solr/Support) for
the programming.
Personally I like the Lance's approach with individually cached sub-filters
referenced by variables. Perhaps using $ syntax as we do for query
substitution? fq=($fq1 AND $fq2) OR ($fq3 & $fq4).
> Query Filter fq with OR operator
> --------------------------------
>
> Key: SOLR-1223
> URL: https://issues.apache.org/jira/browse/SOLR-1223
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Brian Pearson
>
> See this
> [issue|http://lucene.472066.n3.nabble.com/Query-Filter-fq-with-OR-operator-td499172.html]
> for some background. Today, all of the Query filters specified with the
> fq parameter are AND'd together.
> This issue is about allowing a set of filters to be OR'd together (in
> addition to having another set of filters that are AND'd). The OR'd
> filters would of course be applied before any scoring is done.
> The advantage of this feature is that you will be able to break up complex
> filters into simple, more cacheable filters, which should improve performance.
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