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Posted to issues@impala.apache.org by "Noemi Pap-Takacs (Jira)" <ji...@apache.org> on 2024/07/23 09:26:00 UTC

[jira] [Resolved] (IMPALA-12857) Add flag to enable merge-on-read even if tables are configured with copy-on-write

     [ https://issues.apache.org/jira/browse/IMPALA-12857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Noemi Pap-Takacs resolved IMPALA-12857.
---------------------------------------
    Resolution: Fixed

> Add flag to enable merge-on-read even if tables are configured with copy-on-write
> ---------------------------------------------------------------------------------
>
>                 Key: IMPALA-12857
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12857
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>            Reporter: Zoltán Borók-Nagy
>            Assignee: Noemi Pap-Takacs
>            Priority: Major
>              Labels: impala-iceberg
>
> Impala can only modify a table via 'merge-on-read'. It raises an error if users want to modify a table that is configured with 'copy-on-write'.
> We could add a backend flag to relax this restriction, i.e. enable 'merge-on-read' operations (DELETE, UPDATE, MERGE) even if the table property is 'copy-on-write'.



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