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https://issues.apache.org/jira/browse/HIVE-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585195#comment-13585195
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Ashutosh Chauhan commented on HIVE-4042:
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Whats the point of adding *yet another config and defaulting it to false* ? As
I see this, whole point of this patch is not to fail the production query when
it has hints. With default value being false, queries will still fail. I don't
see any merit of this config at all. Why cant we *always* ignore map-join hint?
For the case Kevin brought up you have already added logging and relies on user
to rewrite their query using that logging info.
> 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
>
>
> 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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