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https://issues.apache.org/jira/browse/SOLR-2894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029531#comment-14029531
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Andrew Muldowney commented on SOLR-2894:
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bq. Can you elaborate on what kind of weirdness/hacky functionality you are
talking about?
In the PivotFacetProcessor (shards) we .toObject each value. This is weird in
the non-distributed mode because nothing clears up those into strings for the
response -XML or JSON. This is a problem with dates, because
"2012-11-01T12:30:00Z" becomes "Nov 1 4:30 EST 2012". I don't know what methods
get run after process in the non-distrib mode that we could hook into to change
these values back into what they should be.
In distributed this can be trouble because when trying to assign a refinement
path we must get the .toexternal value of the datefield so that it can be
properly looked up in the index. Elran has a fix for this, which works fine but
we'll need to extend this to the PivotFacetValue's ConvertToNamedList for the
output reponse to look right and we end up having conditionals for dates in a
bunch of places.
Most other datatypes are fine, but date is the worst of this set.
> Implement distributed pivot faceting
> ------------------------------------
>
> Key: SOLR-2894
> URL: https://issues.apache.org/jira/browse/SOLR-2894
> Project: Solr
> Issue Type: Improvement
> Reporter: Erik Hatcher
> Fix For: 4.9, 5.0
>
> Attachments: SOLR-2894-mincount-minification.patch,
> SOLR-2894-reworked.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch, SOLR-2894.patch,
> SOLR-2894_cloud_test.patch, dateToObject.patch, pivot_mincount_problem.sh
>
>
> Following up on SOLR-792, pivot faceting currently only supports
> undistributed mode. Distributed pivot faceting needs to be implemented.
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