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https://issues.apache.org/jira/browse/HIVE-8021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14175501#comment-14175501
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Sergey Shelukhin commented on HIVE-8021:
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looks like some schema issues are also caused by incorrect column infos creates
in case of CBO, for expressions they have null as table alias rather than "" as
they do w/o CBO, which results in different alias generation.
> CBO: support CTAS and insert ... select
> ---------------------------------------
>
> Key: HIVE-8021
> URL: https://issues.apache.org/jira/browse/HIVE-8021
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-8021.01.patch, HIVE-8021.01.patch,
> HIVE-8021.02.patch, HIVE-8021.03.patch, HIVE-8021.patch,
> HIVE-8021.preliminary.patch
>
>
> Need to send only the select part to CBO for now
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