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https://issues.apache.org/jira/browse/HIVE-25941?focusedWorklogId=737783&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-737783
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ASF GitHub Bot logged work on HIVE-25941:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Mar/22 20:52
Start Date: 07/Mar/22 20:52
Worklog Time Spent: 10m
Work Description: amansinha100 commented on pull request #3014:
URL: https://github.com/apache/hive/pull/3014#issuecomment-1061124317
Left a minor comment. Overall, it is a +1 from me.
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Issue Time Tracking
-------------------
Worklog Id: (was: 737783)
Time Spent: 1h (was: 50m)
> 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
> 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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