Thejas M Nair created HIVE-3168:
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Summary: LazyBinaryObjectInspector.getPrimitiveJavaObject copies
beyond length of underlying BytesWritable
Key: HIVE-3168
URL: https://issues.apache.org/jira/browse/HIVE-3168
Project: Hive
Issue Type: Bug
Reporter: Thejas M Nair
LazyBinaryObjectInspector.getPrimitiveJavaObject copies the full capacity of
the LazyBinary's underlying BytesWritable object, which can be greater than the
size of the actual contents.
This leads to additional characters at the end of the ByteArrayRef returned.
When the LazyBinary object gets re-used, there can be remnants of the later
portion of previous entry.
This was not seen while reading through hive queries, which I think is because
a copy elsewhere seems to create LazyBinary with length == capacity. (probably
LazyBinary copy constructor). This was seen when MR or pig used Hcatalog to
read the data.
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