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https://issues.apache.org/jira/browse/HIVE-21288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16775360#comment-16775360
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Jesus Camacho Rodriguez commented on HIVE-21288:
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+1
> Runtime rowcount calculation is incorrect in vectorized executions
> ------------------------------------------------------------------
>
> Key: HIVE-21288
> URL: https://issues.apache.org/jira/browse/HIVE-21288
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-21288.01.patch, HIVE-21288.02.patch,
> HIVE-21288.02.patch
>
>
> before HIVE-18908; there was a baseForward (non vectorized) and vectorForward
> (vectorized); and both of them have accounted for the number of rows
> correctly - after HIVE-18908 this have changed to count vectorized batches in
> case of vectorized execution.
> [relevant part of
> Operator.java|https://github.com/apache/hive/commit/a37827ecd557c7f7d69f3b2ccdbf6535908b1461#diff-dd93eb584eb10a8f68b906a98edaae77L946]
> [counters are dropping to 1|
> https://github.com/apache/hive/commit/a37827ecd557c7f7d69f3b2ccdbf6535908b1461#diff-e70a9d33150346fe8b9b7d719d677b97L356]
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