David Mollitor created ORC-837:
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Summary: Reuse HiveDecimalWritable in ConvertTreeReaderFactory
Key: ORC-837
URL: https://issues.apache.org/jira/browse/ORC-837
Project: ORC
Issue Type: Improvement
Components: Java
Reporter: David Mollitor
Assignee: David Mollitor
https://github.com/apache/orc/blob/fb0ed31f15d9b77b76bc5dec8721f5d9ee129879/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L826
Several places in {{ConvertTreeReaderFactory}} that creates a
HiveDecimalWritable for each element being processed. It is very common
practice to keep a single instance of {{xyzWritable }} for re-use. Do the same
here.
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