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https://issues.apache.org/jira/browse/PHOENIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Taylor resolved PHOENIX-951.
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Resolution: Fixed
Fix Version/s: 4.1
3.1
5.0.0
Fixed by [~maryannxue]. Nice work!
> Don't push LIMIT as PageFilter for joins
> ----------------------------------------
>
> Key: PHOENIX-951
> URL: https://issues.apache.org/jira/browse/PHOENIX-951
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 3.0.0, 4.0.0
> Reporter: James Taylor
> Assignee: Maryann Xue
> Priority: Minor
> Fix For: 5.0.0, 3.1, 4.1
>
>
> When a join has a limit, you can't push the limit through a PageFilter since
> you might not get a match when you join the LHS to the RHS. I think ideally
> you'd want to push the LIMIT to the ScanRegionObserver (or
> GroupedAggregateRegionObserver) and then stop the inner scan when the limit
> is reached. There's a similar optimize for a GROUP BY that has a LIMIT with
> no ORDER BY.
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