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https://issues.apache.org/jira/browse/SOLR-8919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15553671#comment-15553671
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Joel Bernstein commented on SOLR-8919:
--------------------------------------
The approach I was going to use is to identify if it's a count distinct query
and then just add a count stream to the select distinct logic. This would be in
MapReduce mode. I believe count distinct is directly supported by the JSON
facet API, so in facet mode, this might involve a change to the FacetStream.
> Add SELECT COUNT(DISTINCT COL) queries to the SQL Interface
> -----------------------------------------------------------
>
> Key: SOLR-8919
> URL: https://issues.apache.org/jira/browse/SOLR-8919
> Project: Solr
> Issue Type: Bug
> Reporter: Joel Bernstein
> Fix For: 6.2, master (7.0)
>
>
> While analyzing the Enron emails for SOLR-8888, I was wishing that
> COUNT(DISTINCT) was implemented. This ticket is to implement it.
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