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https://issues.apache.org/jira/browse/HIVE-4381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641630#comment-13641630
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Remus Rusanu commented on HIVE-4381:
------------------------------------
I have resubmitted with a much smaller patch that only covers the actual
vectorized aggregate operators. This does not work end-to-end in a query yet,
but the code compiles and JUnit tests pass. End-to-end functionality requires
some more patches from Jitendra to go in first (the VectorMapExec).
> Implement vectorized aggregation expressions
> --------------------------------------------
>
> Key: HIVE-4381
> URL: https://issues.apache.org/jira/browse/HIVE-4381
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Affects Versions: vectorization-branch
> Reporter: Jitendra Nath Pandey
> Assignee: Remus Rusanu
> Labels: patch
> Fix For: vectorization-branch
>
> Attachments: HIVE-4381.D10449.1.patch, HIVE-4381.D10449.2.patch,
> HIVE-4381.D10449.3.patch, HIVE-4381.D10449.4.patch, HIVE-4381.D10551.1.patch
>
>
> Vectorized implementation for sum, min, max, average and count.
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