Optimize ColumnarStructObjectInspector.getStructFieldData()
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Key: HIVE-1751
URL: https://issues.apache.org/jira/browse/HIVE-1751
Project: Hive
Issue Type: Improvement
Reporter: Siying Dong
Assignee: Siying Dong
ColumnarStructObjectInspector.getStructFieldData() is a heavy used function and
is expensive.
By optimizing this function, including ColumnarStruct.uncheckedGetField()
called by it, most queries can benefit from it.
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