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https://issues.apache.org/jira/browse/HIVE-20477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656302#comment-16656302
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Ashutosh Chauhan commented on HIVE-20477:
-----------------------------------------
+1
> OptimizedSql is not shown if the expression contains INs
> --------------------------------------------------------
>
> Key: HIVE-20477
> URL: https://issues.apache.org/jira/browse/HIVE-20477
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20477.01.patch, HIVE-20477.01.patch,
> HIVE-20477.01wip01.patch
>
>
> This ticket should fix HiveIn to be able to unparse; currently if an IN is
> unparsed - there are some exceptions because HiveIn is a special operator;
> but doesn't have unparse implemented.
> CALCITE-2444 is also needed to fix rel2sql to be able to process INs which
> are not there represent a subquery.
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