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https://issues.apache.org/jira/browse/LUCENE-10550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17536370#comment-17536370
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Rushabh Shah commented on LUCENE-10550:
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Hi [~yutinggan]
Can I work on this if you/someone is not working already ?
> Add getAllChildren functionality to facets
> ------------------------------------------
>
> Key: LUCENE-10550
> URL: https://issues.apache.org/jira/browse/LUCENE-10550
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/facet
> Reporter: Yuting Gan
> Priority: Minor
>
> Currently Lucene does not support returning range counts sorted by label
> values, but there are use cases demanding this feature. For example, a user
> specifies ranges (e.g., [0, 10], [10, 20]) and wants to get range counts
> without changing the range order. Today we can only call getTopChildren to
> populate range counts, but it would return ranges sorted by counts (e.g.,
> [10, 20] 100, [0, 10] 50) instead of range values.
> Lucene has a API, getAllChildrenSortByValue, that returns numeric values with
> counts sorted by label values, please see
> [LUCENE-7927|https://issues.apache.org/jira/browse/LUCENE-7927] for details.
> Therefore, it would be nice that we can also have a similar API to support
> range counts. The proposed getAllChildren API is to return value/range counts
> sorted by label values instead of counts.
> This proposal was inspired from the discussions with [~gsmiller] when I was
> working on the LUCENE-10538 [PR|https://github.com/apache/lucene/pull/843],
> and we believe users would benefit from adding this API to Facets.
> Hope I can get some feedback from the community since this proposal would
> require changes to the getTopChildren API in RangeFacetCounts. Thanks!
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