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https://issues.apache.org/jira/browse/PHOENIX-2063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14618782#comment-14618782
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James Taylor commented on PHOENIX-2063:
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+1. Thanks for verifying, [~Dumindux]. Please check-in to 4.4, 4.x, and master
branches, [~ram_krish].
> Row value constructor doesn't work when used in COUNT DISTINCT
> --------------------------------------------------------------
>
> Key: PHOENIX-2063
> URL: https://issues.apache.org/jira/browse/PHOENIX-2063
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Dumindu Buddhika
> Attachments: PHOENIX-2063-v1.patch, PHOENIX-2063-v2.patch
>
>
> As a workaround for PHOENIX-2062, I tried the following query:
> {code}
> SELECT COUNT(DISTINCT (a.col1, b.col2)) ...
> {code}
> However, this always returns 1 as the COUNT DISTINCT which is wrong.
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