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https://issues.apache.org/jira/browse/HIVE-5978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845228#comment-13845228
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Lefty Leverenz commented on HIVE-5978:
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Oh, just realized the wiki has a vectorization design doc now:
[https://cwiki.apache.org/confluence/display/Hive/Vectorized+Query+Execution].
It links to HIVE-4160 for the complete doc, very helpful.
ROLLUP isn't in the list of supported data types and operations, so perhaps its
current lack of support is implied. Should there be a list of supported
aggregates?
> Rollups not supported in vector mode.
> -------------------------------------
>
> Key: HIVE-5978
> URL: https://issues.apache.org/jira/browse/HIVE-5978
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Fix For: 0.13.0
>
> Attachments: HIVE-5978.1.patch
>
>
> Rollups are not supported in vector mode, the query should fail to vectorize.
> A separate jira will be filed to implement rollups in vector mode.
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