replace isArray() calls and remove LOG.isInfoEnabled() in Operator.forward()
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Key: HIVE-1469
URL: https://issues.apache.org/jira/browse/HIVE-1469
Project: Hadoop Hive
Issue Type: Improvement
Reporter: He Yongqiang
Assignee: He Yongqiang
Priority: Minor
Small changes:
In my profiling, isArray() is kind of expensive, we should avoid to call it.
Also LOG.isInfoEnabled() is called in every operator's forward() method. We
should only call it once.
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