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https://issues.apache.org/jira/browse/HIVE-11436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660982#comment-14660982
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Pengcheng Xiong commented on HIVE-11436:
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[~jcamachorodriguez], could u take look? Thanks.
> CBO: Calcite Operator To Hive Operator (Calcite Return Path) : dealing with
> empty char
> --------------------------------------------------------------------------------------
>
> Key: HIVE-11436
> URL: https://issues.apache.org/jira/browse/HIVE-11436
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-11436.01.patch, HIVE-11436.02.patch,
> HIVE-11436.03.patch, HIVE-11436.04.patch
>
>
> BaseCharUtils checks whether the length of a char is in between [1,255]. This
> causes return path to throw error when the the length of a char is 0.
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