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Posted to dev@arrow.apache.org by "Venki Korukanti (JIRA)" <ji...@apache.org> on 2018/03/29 20:38:00 UTC

[jira] [Created] (ARROW-2368) DecimalVector#setBigEndian is not padding correctly for negative values

Venki Korukanti created ARROW-2368:
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             Summary: DecimalVector#setBigEndian is not padding correctly for negative values
                 Key: ARROW-2368
                 URL: https://issues.apache.org/jira/browse/ARROW-2368
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java - Vectors
            Reporter: Venki Korukanti
            Assignee: Venki Korukanti


If the input given is less than 16 bytes, we pad zero for the remaining bytes [1]. This is not correct if the value is a negative number. We should pad 0x00 or 0xFF depending upon the number is a positive or negative number. Later when the value is retrieved we end up with an incorrect value.

 

[1] https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/DecimalVector.java#L231



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