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https://issues.apache.org/jira/browse/HIVE-20617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich reassigned HIVE-20617:
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> Fix type of constants in IN expressions to have correct type
> ------------------------------------------------------------
>
> Key: HIVE-20617
> URL: https://issues.apache.org/jira/browse/HIVE-20617
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
>
> In statements like {{struct(a,b) IN (const struct('x','y'), ... )}} the
> comparision in UDFIn may fail because if a or b is of char/varchar type the
> constants will retain string type - especially after PointlookupOptimizer
> compaction.
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