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Posted to issues-all@impala.apache.org by "Baike Xia (Jira)" <ji...@apache.org> on 2022/09/09 02:19:00 UTC

[jira] [Commented] (IMPALA-11565) For KUDU tables, alter table add column operation is optimized

    [ https://issues.apache.org/jira/browse/IMPALA-11565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17602075#comment-17602075 ] 

Baike Xia commented on IMPALA-11565:
------------------------------------

Patch available for review: [https://gerrit.cloudera.org/c/18953/] 

> For KUDU tables,  alter table add column operation is optimized
> ---------------------------------------------------------------
>
>                 Key: IMPALA-11565
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11565
>             Project: IMPALA
>          Issue Type: New Feature
>            Reporter: Baike Xia
>            Assignee: Baike Xia
>            Priority: Major
>             Fix For: Impala 4.2.0
>
>
> For kudu table, *add/replace if not exists column* operation , if the columns already exist and are of the same type, no operation is performed; If the type is different, an error is reported.
>  



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