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https://issues.apache.org/jira/browse/HIVE-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13594819#comment-13594819
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Ashutosh Chauhan commented on HIVE-4042:
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I think HIVE-3297 should be a pre-requisite for it at minimum. Otherwise, hint
will be ignored as well as joins won't be auto-converted, which will be worst
of both worlds. Ideally, I would like to see auto.convert.sortmerge.join also
default to true, but I am fine doing it later. Please take a look at HIVE-3297
patch I have posted.
> ignore mapjoin hint
> -------------------
>
> Key: HIVE-4042
> URL: https://issues.apache.org/jira/browse/HIVE-4042
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.4042.1.patch, hive.4042.2.patch, hive.4042.3.patch,
> hive.4042.4.patch, hive.4042.5.patch, hive.4042.6.patch, hive.4042.7.patch,
> hive.4042.8.patch
>
>
> After HIVE-3784, in a production environment, it can become difficult to
> deploy since a lot of production queries can break.
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