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https://issues.apache.org/jira/browse/HIVE-11428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hari Sankar Sivarama Subramaniyan updated HIVE-11428:
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Attachment: HIVE-11428.1.patch
cc-ing [~gopalv] and [~jcamachorodriguez] for review.
Thanks
Hari
> Performance: Struct IN() clauses are extremely slow (~10x slower)
> ------------------------------------------------------------------
>
> Key: HIVE-11428
> URL: https://issues.apache.org/jira/browse/HIVE-11428
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 1.3.0, 2.0.0
> Reporter: Gopal V
> Assignee: Hari Sankar Sivarama Subramaniyan
> Attachments: HIVE-11428.1.patch
>
>
> Hive today does not support tuple IN() clauses today, but provides a way to
> rewrite (a,b) IN (...) using complex types.
> select * from table where STRUCT(a,b) IN (STRUCT(1,2), STRUCT(2,3) ...);
> This would be fine, except it is massively slower due to ObjectConvertors and
> Struct constructor not being constant folded.
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