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https://issues.apache.org/jira/browse/SOLR-10579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18123250#comment-18123250
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Jan Høydahl commented on SOLR-10579:
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Found that this feature was started in
[https://github.com/apache/solr/blob/main/solr/core/src/java/org/apache/solr/search/ValueSourceParser.java#L1259-L1266]
with a commented-out stub.
Question: Should we complete the feature or remove the commented stub?
If complete, what stats should it calculate and what should the response be?
I assume that most users still use the non-json based facet API and thus have
not requested this?
> add multistat aggregation function
> ----------------------------------
>
> Key: SOLR-10579
> URL: https://issues.apache.org/jira/browse/SOLR-10579
> Project: Solr
> Issue Type: New Feature
> Components: Facet Module
> Reporter: Yonik Seeley
> Priority: Major
>
> A multistat() facet function could calculate a bunch of statistics together,
> rather than having to specify each individually. This would presumably be
> more efficient to calculate and shorter to specify.
> number_of_values, min, max, sum, sum_of_squares, variance, stddev
> We would also want to be able to use any of these for sorting or filtering...
> perhaps with a dot notation. That could be a separate issue to implement,
> but we should keep it in mind.
> {code}
> type: terms,
> field: myfield,
> sort : "x.max desc"
> facet: {
> x : "multistat(numeric_field)"
> }
> {code}
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