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https://issues.apache.org/jira/browse/HIVE-6568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932257#comment-13932257
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Harish Butani commented on HIVE-6568:
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+1 for 0.13
> Vectorized cast of decimal to string and timestamp produces incorrect result.
> -----------------------------------------------------------------------------
>
> Key: HIVE-6568
> URL: https://issues.apache.org/jira/browse/HIVE-6568
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 0.13.0
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Attachments: HIVE-6568.1.patch, HIVE-6568.2.patch, HIVE-6568.3.patch
>
>
> A decimal value 1.23 with scale 5 is represented in string as 1.23000. This
> behavior is different from HiveDecimal behavior.
> The difference in cast to timestamp is due to more aggressive rounding in
> vectorized expression.
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