Group by operator doesnt estimate size of Timestamp & Binary data correctly
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Key: HIVE-2498
URL: https://issues.apache.org/jira/browse/HIVE-2498
Project: Hive
Issue Type: Bug
Affects Versions: 0.9.0
Reporter: Ashutosh Chauhan
Assignee: Ashutosh Chauhan
It currently defaults to default case and returns constant value, whereas we
can do better by getting actual size at runtime.
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