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https://issues.apache.org/jira/browse/HIVE-9512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299145#comment-14299145
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Prasanth Jayachandran commented on HIVE-9512:
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[~jcamachorodriguez] The union issue was already known. I have a TODO in
StatsRulesProcFactory which says union queries have issue with propagating the
aliases. It seems to work now. Thats a good thing. But I am concerned about the
UDF, UDAF which seems to cause regression.
> HIVE-9327 causing regression in stats annotation
> ------------------------------------------------
>
> Key: HIVE-9512
> URL: https://issues.apache.org/jira/browse/HIVE-9512
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Prasanth Jayachandran
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-9512.patch
>
>
> HIVE-9327 causes regression to statistics annotation test case. Regression
> can be seen here
> https://github.com/apache/hive/blob/trunk/ql/src/test/results/clientpositive/annotate_stats_select.q.out#L1065
> The expected data size is 194 but 0 is returned.
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