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https://issues.apache.org/jira/browse/HIVE-25941?focusedWorklogId=755635&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-755635
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ASF GitHub Bot logged work on HIVE-25941:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Apr/22 08:20
            Start Date: 12/Apr/22 08:20
    Worklog Time Spent: 10m 
      Work Description: kasakrisz merged PR #3014:
URL: https://github.com/apache/hive/pull/3014




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

    Worklog Id:     (was: 755635)
    Time Spent: 1h 50m  (was: 1h 40m)

> Long compilation time of complex query due to analysis for materialized view 
> rewrite
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-25941
>                 URL: https://issues.apache.org/jira/browse/HIVE-25941
>             Project: Hive
>          Issue Type: Bug
>          Components: Materialized views
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: sample.png
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> When compiling query the optimizer tries to rewrite the query plan or 
> subtrees of the plan to use materialized view scans.
> If
> {code}
> set hive.materializedview.rewriting.sql.subquery=false;
> {code}
> the compilation succeed in less then 10 sec otherwise it takes several 
> minutes (~ 5min) depending on the hardware.



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