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https://issues.apache.org/jira/browse/HIVE-28366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17882286#comment-17882286
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Denys Kuzmenko commented on HIVE-28366:
---------------------------------------
Merged to master.
Thanks [~ayushsaxena] for the review!
> Iceberg: Concurrent Insert and IOW produce incorrect result
> ------------------------------------------------------------
>
> Key: HIVE-28366
> URL: https://issues.apache.org/jira/browse/HIVE-28366
> Project: Hive
> Issue Type: Bug
> Components: Iceberg integration
> Affects Versions: 4.0.0
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> 1. create a table and insert some data:
> {code}
> create table ice_t (i int, p int) partitioned by spec (truncate(10, i))
> stored by iceberg;
> insert into ice_t values (1, 1), (2, 2);
> insert into ice_t values (10, 10), (20, 20);
> insert into ice_t values (40, 40), (30, 30);
> {code}
> Then concurrently execute the following jobs:
> Job 1:
> {code}
> insert into ice_t select i*100, p*100 from ice_t;
> {code}
> Job 2:
> {code}
> insert overwrite ice_t select i+1, p+1 from ice_t;
> {code}
> If Job 1 finishes first, Job 2 still succeeds for me, and after that the
> table content will be the following:
> {code}
> 2 2
> 3 3
> 11 11
> 21 21
> 31 31
> 41 41
> 100 100
> 200 200
> 1000 1000
> 2000 2000
> 3000 3000
> 4000 4000
> {code}
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