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https://issues.apache.org/jira/browse/HIVE-287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893044#action_12893044
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Jeff Hammerbacher commented on HIVE-287:
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We ran into some users who were using older versions of Hive (including the
version of Hive distributed with CDH3b2) and were confused by the COUNT(*) in
the documentation. I've tried to change the wiki but it does not appear to be
saving my changes. If someone gets the chance, I'd love to see a disclaimer
like "Note that for versions of Hive which don't include
[[https://issues.apache.org/jira/browse/HIVE-287|HIVE-287]], you'll need to use
COUNT(1) in place of COUNT(*)." added to the wiki pages that reference COUNT(*).
> support count(*) and count distinct on multiple columns
> -------------------------------------------------------
>
> Key: HIVE-287
> URL: https://issues.apache.org/jira/browse/HIVE-287
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.6.0
> Reporter: Namit Jain
> Assignee: Arvind Prabhakar
> Fix For: 0.6.0, 0.7.0
>
> Attachments: HIVE-287-1.patch, HIVE-287-2.patch, HIVE-287-3.patch,
> HIVE-287-4.patch, HIVE-287-5-branch-0.6.patch, HIVE-287-5-trunk.patch,
> HIVE-287-6-branch-0.6.patch, HIVE-287-6-trunk.patch
>
>
> The following query does not work:
> select count(distinct col1, col2) from Tbl
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