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https://issues.apache.org/jira/browse/HIVE-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arvind Prabhakar updated HIVE-287:
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Status: Patch Available (was: Open)
Uploaded patch for trunk and branch-0.6. Ran all the tests on trunk and did
spot testing on branch-0.6.
*Changes from Previous patch:*
* Modified the implementation of {{AbstractGenericUDAFResolver}} to raise an
exception when invoked with the {{UDAF(STAR)}} syntax.
* Added negative test cases to assert that the current UDAFs present in the
code other than {{COUNT}} do not accept the {{UDAF(STAR)}} syntax.
* Added {{EXPLAIN}} directives for the queries run in {{udf_count.q}} test file.
Will attempt to post the patch on review board as well.
> count distinct on multiple columns does not work
> ------------------------------------------------
>
> Key: HIVE-287
> URL: https://issues.apache.org/jira/browse/HIVE-287
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Arvind Prabhakar
> 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
>
>
> The following query does not work:
> select count(distinct col1, col2) from Tbl
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