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https://issues.apache.org/jira/browse/PHOENIX-2818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Taylor updated PHOENIX-2818:
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Attachment: PHOENIX-2818.patch
This is the one, [~tdsilva]. Please review.
> Optimize ORDERED group by
> -------------------------
>
> Key: PHOENIX-2818
> URL: https://issues.apache.org/jira/browse/PHOENIX-2818
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: James Taylor
> Attachments: PHOENIX-2818.patch
>
>
> We currently check each row against the previous row when we execute a GROUP
> BY in row key order. We only need to check the previous row at the boundary
> while it's the same as the first row(s) in the next scan, kind of a hybrid
> between the ConcatResultIterator and the GroupedResultIterator.
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