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https://issues.apache.org/jira/browse/HIVE-22945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17056917#comment-17056917
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Denys Kuzmenko commented on HIVE-22945:
---------------------------------------
Pushed to master.
Thank you for the review [~pvary]!
> Hive ACID Data Corruption: Update command mess the other column data and
> produces incorrect result
> --------------------------------------------------------------------------------------------------
>
> Key: HIVE-22945
> URL: https://issues.apache.org/jira/browse/HIVE-22945
> Project: Hive
> Issue Type: Bug
> Components: Hive, Transactions
> Affects Versions: 3.2.0
> Reporter: Rajkumar Singh
> Assignee: Denys Kuzmenko
> Priority: Critical
> Attachments: HIVE-22945.1.patch, HIVE-22945.2.patch
>
>
> Hive Update Operation update the other column incorrectly and produces
> incorrect results:
> Steps to reproduce:
> {code:java}
> CREATE TABLE `test`(
> `start_dt` timestamp,
> `stop_dt` timestamp
> );
>
> INSERT INTO test (start_dt, stop_dt) SELECT CURRENT_TIMESTAMP, CAST(NULL AS
> TIMESTAMP);
> select * from test;
> +--------------------------+---------------+
> | test.start_dt | test.stop_dt |
> +--------------------------+---------------+
> | 2020-02-28 20:06:29.116 | NULL |
> +--------------------------+---------------+
> UPDATE test SET STOP_DT = CURRENT_TIMESTAMP WHERE CAST(START_DT AS DATE) =
> CURRENT_DATE;
> +------------------------+--------------------------+
> | test.start_dt | test.stop_dt |
> +------------------------+--------------------------+
> | 2020-02-28 00:00:00.0 | 2020-02-28 20:07:12.248 |
> +------------------------+--------------------------+
> {code}
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