Ayush Saxena created HIVE-26868:
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Summary: Iceberg: Allow IOW on empty table with Partition Evolution
Key: HIVE-26868
URL: https://issues.apache.org/jira/browse/HIVE-26868
Project: Hive
Issue Type: Improvement
Reporter: Ayush Saxena
Assignee: Ayush Saxena
In case an iceberg table has gone through partition evolution, we don't allow
an IOW operation on it.
But if it is empty, we can allow an IOW since there ain't any data which can
get messed by overwrite.
This helps to compact data, & merge the delete files into data file
via
Truncate -> IOW with Snapshot ID before Truncate.
Same flow is used by Impala for compacting Iceberg tables.
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