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Posted to issues@hive.apache.org by "Krisztian Kasa (Jira)" <ji...@apache.org> on 2020/08/27 09:16:00 UTC

[jira] [Assigned] (HIVE-24081) Enable pre-materializing CTEs referenced in scalar subqueries

     [ https://issues.apache.org/jira/browse/HIVE-24081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Kasa reassigned HIVE-24081:
-------------------------------------


> Enable pre-materializing CTEs referenced in scalar subqueries
> -------------------------------------------------------------
>
>                 Key: HIVE-24081
>                 URL: https://issues.apache.org/jira/browse/HIVE-24081
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>
> HIVE-11752 introduces materializing CTE based on config
> {code}
> hive.optimize.cte.materialize.threshold
> {code}
> Goal of this jira is
> * extending the implementation to support materializing CTE's referenced in scalar subqueries
> * add a config to materialize CTEs with aggregate output only



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