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https://issues.apache.org/jira/browse/HIVE-15307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15726421#comment-15726421
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Eugene Koifman commented on HIVE-15307:
---------------------------------------
regular Update statement also has the same issue
> Hive MERGE: "when matched then update" allows invalid column names.
> -------------------------------------------------------------------
>
> Key: HIVE-15307
> URL: https://issues.apache.org/jira/browse/HIVE-15307
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 2.2.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
>
> {noformat}
> create table target (
> id int, val int
> )
> CLUSTERED BY (id) INTO 2 BUCKETS STORED AS ORC TBLPROPERTIES
> ("transactional"="true");
> create table source2 (
> id int, val int
> );
> insert into source2 values (2, 25), (3, 35), (4, 45);
> merge into target
> using source2 sub on sub.id = target.id
> when matched then update set invalid = sub.val;
> {noformat}
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