[
https://issues.apache.org/jira/browse/HIVE-25941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Krisztian Kasa resolved HIVE-25941.
-----------------------------------
Resolution: Fixed
Pushed to master. Thanks [~kgyrtkirk] and [~amansinha100] for review.
> 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.
--
This message was sent by Atlassian Jira
(v8.20.1#820001)
