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Posted to issues@arrow.apache.org by "Siddharth Teotia (JIRA)" <ji...@apache.org> on 2018/03/29 23:05:00 UTC
[jira] [Resolved] (ARROW-2368) DecimalVector#setBigEndian is not
padding correctly for negative values
[ https://issues.apache.org/jira/browse/ARROW-2368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Siddharth Teotia resolved ARROW-2368.
-------------------------------------
Resolution: Fixed
> 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
> Priority: Blocker
> Labels: pull-request-available
>
> 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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