Prasanth Jayachandran created HIVE-11861:
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Summary: Metadataonly and NullScan optimizer should not launch a
job
Key: HIVE-11861
URL: https://issues.apache.org/jira/browse/HIVE-11861
Project: Hive
Issue Type: Bug
Affects Versions: 1.3.0, 2.0.0
Reporter: Prasanth Jayachandran
Assignee: Ashutosh Chauhan
Metadataonly optimization and NullScan optimization launches a dummy one null
row job when fetch optimization is disabled. This results is additional
overhead of split computation and launching of tasks that does nothing. Also
this creates failures in llap as localization per query (file.splitmetainfo
file needs to localized) is not supported.
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