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https://issues.apache.org/jira/browse/SOLR-2472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159947#comment-13159947
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Dmitry Drozdov commented on SOLR-2472:
--------------------------------------
Any chance for this to be merged into trunk?
> StatsComponent should support hierarchical facets
> -------------------------------------------------
>
> Key: SOLR-2472
> URL: https://issues.apache.org/jira/browse/SOLR-2472
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 3.1, 4.0
> Reporter: Dmitry Drozdov
> Attachments: SOLR-2472.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> It is currently possible to get only single layer of faceting in
> StatsComponent.
> The proposal is it make it possible to specify stats.facet parameter like
> this:
> &stats=true&stats.field=sField&stats.facet=fField1,fField2
> and get the response like this:
> <lst name="stats">
> <lst name="stats_fields">
> <lst name="sField">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">4.0</double>
> <long name="count">4</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> <lst name="facets">
> <lst name="fField1">
> <lst name="fField1Value1">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">2.0</double>
> <long name="count">2</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> <lst name="facets">
> <lst name="fField2">
> <lst name="fField2Value1">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">1.0</double>
> <long name="count">1</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> </lst>
> <lst name="fField2Value2">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">1.0</double>
> <long name="count">1</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> </lst>
> </lst>
> </lst>
> </lst>
> <lst name="fField1Value2">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">2.0</double>
> <long name="count">2</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> <lst name="facets">
> <lst name="fField2">
> <lst name="fField2Value1">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">1.0</double>
> <long name="count">1</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> </lst>
> <lst name="fField2Value2">
> <double name="min">1.0</double>
> <double name="max">1.0</double>
> <double name="sum">1.0</double>
> <long name="count">1</long>
> <long name="missing">0</long>
> <double name="sumOfSquares">xxxxxxxx</double>
> <double name="mean">xxxxxxxx</double>
> <double name="stddev">xxxxxxxx</double>
> </lst>
> </lst>
> </lst>
> </lst>
> </lst>
> </lst>
> </lst>
> </lst>
> </lst>
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