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https://issues.apache.org/jira/browse/HIVE-8434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16049759#comment-16049759
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Charles Pritchard commented on HIVE-8434:
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Hit this in 1.2.1 when using MONTH(CAST(datestr_partitioncol as date)) on
select and group by -- gives unstable results. Seeing a lot of 7 and 31.
> Vectorization logic using wrong values for DATE and TIMESTAMP partitioning
> columns in vectorized row batches...
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-8434
> URL: https://issues.apache.org/jira/browse/HIVE-8434
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 0.14.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Fix For: 0.14.0
>
> Attachments: HIVE-8434.01.patch, HIVE-8434.02.patch
>
>
> VectorizedRowBatchCtx.addPartitionColsToBatch uses wrong values to populate
> DATE and TIMESTAMP data types.
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