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https://issues.apache.org/jira/browse/HIVE-27858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17794975#comment-17794975
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John Sherman commented on HIVE-27858:
-------------------------------------
[~dkuzmenko] pointed out to me the HIVE-27856 has disabled CTE materialization
to work around HIVE-24167 for the release. So it seems that the better effort
here would to focus on the CBO plan explosion.
> OOM happens when selecting many columns and JOIN.
> --------------------------------------------------
>
> Key: HIVE-27858
> URL: https://issues.apache.org/jira/browse/HIVE-27858
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Affects Versions: 4.0.0-beta-1
> Reporter: Ryu Kobayashi
> Assignee: John Sherman
> Priority: Critical
> Labels: hive-4.0.0-must
> Attachments: HIVE-27858.full.q, HIVE-27858.less.columns.q, ddl.sql,
> query.sql
>
>
> OOM happens when executing [^query.sql] using a table in [^ddl.sql]. These
> did not happen in Hive 2 previously.
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