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https://issues.apache.org/jira/browse/IMPALA-11620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-11620 started by Noemi Pap-Takacs.
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> Enable setting 'write.format.default'
> -------------------------------------
>
> Key: IMPALA-11620
> URL: https://issues.apache.org/jira/browse/IMPALA-11620
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Zoltán Borók-Nagy
> Assignee: Noemi Pap-Takacs
> Priority: Major
> Labels: impala-iceberg, ramp-up
>
> Before IMPALA-10610 we didn't support Iceberg tables with mixed-format data
> files.
> And we used 'write.format.default' to determine the file format of the table,
> which was only a temporary workaround. Because of this we didn't allow
> changing this table property if the table already contained different table
> formats. E.g. we didn't allow modifying 'write.format.default' to PARQUET if
> the table already contained ORC files, because it would have made the table
> unreadable for Impala.
> Since IMPALA-10610 'write.format.default' is not used to determine the
> Iceberg table's format anymore, so we can allow changing it.
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