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https://issues.apache.org/jira/browse/HIVE-9035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243617#comment-14243617
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Sergey Shelukhin commented on HIVE-9035:
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can you please fix whatever is generating the weird
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comments, on commit? Not blocking
> CBO: Disable PPD when functions are non-deterministic (ppd_random.q -
> non-deterministic udf rand() pushed above join)
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-9035
> URL: https://issues.apache.org/jira/browse/HIVE-9035
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Sergey Shelukhin
> Assignee: Laljo John Pullokkaran
> Fix For: 0.15.0
>
> Attachments: HIVE-9035.01.patch, HIVE-9035.patch
>
>
> Not clear if this is a problem. Probably issue is in Optiq if it is, does it
> know the UDF is non-deterministic? We could disable Optiq for such UDFs if
> all else fails.
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