Ryan Blue created PARQUET-415:
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             Summary: ByteBufferBackedBinary serialization is broken
                 Key: PARQUET-415
                 URL: https://issues.apache.org/jira/browse/PARQUET-415
             Project: Parquet
          Issue Type: Bug
          Components: parquet-mr
    Affects Versions: 1.8.1
            Reporter: Ryan Blue
            Assignee: Ryan Blue
            Priority: Blocker
             Fix For: 1.9.0


While working on logical types for parquet-avro, I updated the 
{{FromStringBinary}} to work with a {{CharSequence}} instead of a {{String}}, 
which broke {{TestFilterApiMethods#testSerializable}}. The underlying problem 
is that when the buffer-backed binary is deserialized, {{length}} and 
{{offset}} are not initialized so the buffer is correct but the apparent length 
of the binary is 0.



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