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https://issues.apache.org/jira/browse/HIVE-16289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-16289:
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Attachment: HIVE-16289.01.patch
Rebased the patch. I see new parameters were added so perhaps the hint could be
changed to be in a better format, like e.g.
table_name=min,max,factor;table_name2;table_name3=... etc.
Anyway let me know first if this even makes sense.
cc [~jdere] [~djaiswal]
> add hints for semijoin reduction
> --------------------------------
>
> Key: HIVE-16289
> URL: https://issues.apache.org/jira/browse/HIVE-16289
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-16289.01.patch, HIVE-16289.patch
>
>
> For now hints will only impact bloom filter size if semijoin is enabled.
> In a follow-up, after some cost-based semi-join decision logic is added, they
> may also influence it.
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