Comparison Operators convert number types to common type instead of double if
necessary
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Key: HIVE-2248
URL: https://issues.apache.org/jira/browse/HIVE-2248
Project: Hive
Issue Type: Bug
Reporter: Siying Dong
Assignee: Siying Dong
Now if the two sides of comparison is of different type, we always convert both
to double and compare. It was a slight regression from the change in
https://issues.apache.org/jira/browse/HIVE-1638. The old UDFOP<Comparison>,
using GenericUDFBridge, always tried to find common type first.
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