Speed up UDFJson
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Key: HIVE-914
URL: https://issues.apache.org/jira/browse/HIVE-914
Project: Hadoop Hive
Issue Type: Improvement
Reporter: Paul Yang
Assignee: Paul Yang
In UDFJson, a new JSONObject is created for each call to evaluate(). Since it
is likely that evalue() will be called with multiple paths for a given JSON
string, a performance improvement can be realized by caching the JSONObject
created from a JSON string.
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