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From "Krisztian Kasa (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23094) Implement Explain CBO of Update and Delete statements
Date Fri, 03 Apr 2020 12:29:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17074544#comment-17074544
] 

Krisztian Kasa commented on HIVE-23094:
---------------------------------------

[~jcamachorodriguez] https://issues.apache.org/jira/browse/HIVE-23132

> Implement Explain CBO of Update and Delete statements
> -----------------------------------------------------
>
>                 Key: HIVE-23094
>                 URL: https://issues.apache.org/jira/browse/HIVE-23094
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-23094.1.patch
>
>
> {code}
> set hive.support.concurrency=true;
> set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager;
> create table acidtlb(a int, b int) clustered by (a) into 2 buckets stored as orc TBLPROPERTIES
('transactional'='true');
> explain cbo
> update acidtlb set b=777;
> {code}
> doesn't print CBO plan.



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