Zoltán Borók-Nagy created IMPALA-11620:
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Summary: 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
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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