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https://issues.apache.org/jira/browse/HIVE-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13601827#comment-13601827
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Vikram Dixit K commented on HIVE-4165:
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Why are union operators not allowed before or after an explicit mapjoin hint?
Thanks
Vikram.
> Union failures with mapjoin hints
> ---------------------------------
>
> Key: HIVE-4165
> URL: https://issues.apache.org/jira/browse/HIVE-4165
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Vikram Dixit K
>
> While running the unit tests - union_remove_12.q which has mapjoin hints
> fails. Although this is a hadoop 23 only test, the same is reproducible on
> any union test with mapjoin hints. For e.g. union_22.q regardless of if we
> have the auto.convert.join=true/false, I see that we fail.
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