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Posted to dev@lucene.apache.org by "Neelesh Shastry (JIRA)" <ji...@apache.org> on 2013/02/22 21:42:12 UTC
[jira] [Commented] (SOLR-4411) Provide a facet.maxcount parameter
that excludes the counts that are higher than this value in a faceted query
[ https://issues.apache.org/jira/browse/SOLR-4411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584661#comment-13584661 ]
Neelesh Shastry commented on SOLR-4411:
---------------------------------------
If we stick to the basic faceting queries (no multiselect for example), it may be doable. I will work on that and submit a patch.
> Provide a facet.maxcount parameter that excludes the counts that are higher than this value in a faceted query
> --------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-4411
> URL: https://issues.apache.org/jira/browse/SOLR-4411
> Project: Solr
> Issue Type: New Feature
> Components: search
> Affects Versions: 4.1
> Reporter: Neelesh Shastry
> Priority: Minor
>
> The parameter facet.mincount provides a good way of filtering counts less than a given number in a faceted query. facet.maxcount would be the upper bound counterpart for this. Currently I'm doing this inside FacetComponent,by filtering the facet counts explicitly, but this is expensive. I would like to know the challenges in implementing this feature both in sharded/non-sharded environments. Willing to implement the feature with tests.
> On first pass, it looks like I need to change the facet count algos for termenum, fieldcache, uninverted as well as DistribFieldFacet.
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