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From "Vikram Dixit K (JIRA)" <>
Subject [jira] [Commented] (HIVE-4165) Union failures with mapjoin hints
Date Wed, 13 Mar 2013 23:50:14 GMT


Vikram Dixit K commented on HIVE-4165:

Why are union operators not allowed before or after an explicit mapjoin hint?

> Union failures with mapjoin hints
> ---------------------------------
>                 Key: HIVE-4165
>                 URL:
>             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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