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

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

Krisztian Kasa created HIVE-24081:
-------------------------------------

             Summary: 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


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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