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https://issues.apache.org/jira/browse/IMPALA-12857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Noemi Pap-Takacs resolved IMPALA-12857.
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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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