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Posted to issues@hive.apache.org by "Krisztian Kasa (Jira)" <ji...@apache.org> on 2020/08/31 08:31:00 UTC
[jira] [Work started] (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 ]
Work on HIVE-24081 started by Krisztian Kasa.
---------------------------------------------
> 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 Processor
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> 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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