[jira] [Created] (SPARK-21312) UnsafeRow writeToStream has incorrect offsetInByteArray calculation for non-zero offset

["Sumedh Wale (JIRA)" <ji...@apache.org>]

Sumedh Wale created SPARK-21312:
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             Summary: UnsafeRow writeToStream has incorrect offsetInByteArray calculation for non-zero offset
                 Key: SPARK-21312
                 URL: https://issues.apache.org/jira/browse/SPARK-21312
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.0, 2.0.0
            Reporter: Sumedh Wale


The following code in UnsafeRow has an incorrect offset calculation:

{code}
  public void writeToStream(OutputStream out, byte[] writeBuffer) throws IOException {
    if (baseObject instanceof byte[]) {
      int offsetInByteArray = (int) (Platform.BYTE_ARRAY_OFFSET - baseOffset);
{code}

which should be:

{code}
      int offsetInByteArray = (int) (baseOffset - Platform.BYTE_ARRAY_OFFSET);
{code}




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