Eugene Koifman created HIVE-17282:
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Summary: OrcRawRecordMerger collapseEvents mode should not produce
delete events
Key: HIVE-17282
URL: https://issues.apache.org/jira/browse/HIVE-17282
Project: Hive
Issue Type: Improvement
Components: Transactions
Affects Versions: 3.0.0
Reporter: Eugene Koifman
Priority: Minor
it made sense before HIVE-17089 where we had multiple versions of the same row
and this mode produce the latest one.
Now outputting delete events is only need for compaction and
_VectorizedOrcAcidRowBatchReader_. The latter only reads delete_delta and
OrcInputFormat skips all delete events from _OrcRawRecordMerger_
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