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Posted to issues@hive.apache.org by "Ashutosh Chauhan (Jira)" <ji...@apache.org> on 2020/06/09 22:22:00 UTC
[jira] [Updated] (HIVE-23561) FIX Arrow Decimal serialization for
native VectorRowBatches
[ https://issues.apache.org/jira/browse/HIVE-23561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Chauhan updated HIVE-23561:
------------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
Pushed to master. Thanks, [~pgaref]
> FIX Arrow Decimal serialization for native VectorRowBatches
> -----------------------------------------------------------
>
> Key: HIVE-23561
> URL: https://issues.apache.org/jira/browse/HIVE-23561
> Project: Hive
> Issue Type: Bug
> Reporter: Panagiotis Garefalakis
> Assignee: Panagiotis Garefalakis
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23561.01.patch
>
>
> Arrow Serializer does not properly handle Decimal primitive values when selected array is used.
> In more detail, decimalValueSetter should be setting the value at *arrowIndex[i]* as the value at *hiveIndex[j]*, however currently its using the _same_ index!
> https://github.com/apache/hive/blob/eac25e711ea750bc52f41da7ed3c32bfe36d4f67/ql/src/java/org/apache/hadoop/hive/ql/io/arrow/Serializer.java#L926
> This works fine for cases where i == j (selected is not used) but returns wrong decimal row values when i != j.
> This ticket fixes this inconsistency and adds tests with selected indexes for all supported types
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