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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-24081) Enable pre-materializing CTEs referenced in scalar subqueries
Date Tue, 01 Sep 2020 15:15:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-24081?focusedWorklogId=477266&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-477266
]

ASF GitHub Bot logged work on HIVE-24081:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Sep/20 15:14
            Start Date: 01/Sep/20 15:14
    Worklog Time Spent: 10m 
      Work Description: jcamachor commented on a change in pull request #1437:
URL: https://github.com/apache/hive/pull/1437#discussion_r481221210



##########
File path: ql/src/test/results/clientpositive/llap/cte_4.q.out
##########
@@ -106,23 +106,17 @@ PREHOOK: query: create table s2 as
 with q1 as ( select key from src where key = '4')
 select * from q1
 PREHOOK: type: CREATETABLE_AS_SELECT
-PREHOOK: Input: default@q1

Review comment:
       Expected?




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 477266)
    Time Spent: 1h 40m  (was: 1.5h)

> 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: 1h 40m
>  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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