Krisztian Kasa created HIVE-27828:
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Summary: Iceberg integration: enable copy on write update when
split update is on
Key: HIVE-27828
URL: https://issues.apache.org/jira/browse/HIVE-27828
Project: Hive
Issue Type: Improvement
Components: Iceberg integration
Reporter: Krisztian Kasa
Assignee: Krisztian Kasa
Fix For: 4.0.0
Currently {{hive.split.update}} has to be set to {{false}} if a copy-on-write
update should be executed when updating an Iceberg table.
[https://github.com/apache/hive/blob/0233dcc7f1f09198c093cb4b69bd2b2598c97303/iceberg/iceberg-handler/src/test/queries/positive/update_iceberg_copy_on_write_unpartitioned.q#L1]
[https://github.com/apache/hive/blob/0233dcc7f1f09198c093cb4b69bd2b2598c97303/ql/src/java/org/apache/hadoop/hive/ql/parse/UpdateDeleteSemanticAnalyzer.java#L78-L81]
Copy-on-write mode should be independent from split update because split update
uses positional delete.
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