David Mollitor created HIVE-24845:
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Summary: Make Return of InputEstimator estimate Optional
Key: HIVE-24845
URL: https://issues.apache.org/jira/browse/HIVE-24845
Project: Hive
Issue Type: Improvement
Reporter: David Mollitor
Assignee: David Mollitor
Make Return of InputEstimator estimate Optional so that an implementer can
signal that it does not know the estimate and any optimizations around data
size can be ignored.
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