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https://issues.apache.org/jira/browse/HIVE-23561?focusedWorklogId=476943&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-476943
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ASF GitHub Bot logged work on HIVE-23561:
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Author: ASF GitHub Bot
Created on: 01/Sep/20 00:47
Start Date: 01/Sep/20 00:47
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #1038:
URL: https://github.com/apache/hive/pull/1038#issuecomment-684124233
This pull request has been automatically marked as stale because it has not
had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the d...@hive.apache.org list if the patch is in
need of reviews.
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Issue Time Tracking
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Worklog Id: (was: 476943)
Remaining Estimate: 0h
Time Spent: 10m
> 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
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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