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https://issues.apache.org/jira/browse/PHOENIX-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387683#comment-14387683
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Alicia Ying Shu commented on PHOENIX-1580:
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[~jamestaylor] Thanks a lot for the response. In scanner = new
MergeSortTopNResultIterator(pIterators, limit,
orderBy.getOrderByExpressions()); pIterators is a List and cannot be casted to
ResultIterators. Do I have to implement a new ResultIterators?
> Support UNION ALL
> -----------------
>
> Key: PHOENIX-1580
> URL: https://issues.apache.org/jira/browse/PHOENIX-1580
> Project: Phoenix
> Issue Type: Bug
> Reporter: Alicia Ying Shu
> Assignee: Alicia Ying Shu
> Attachments: PHOENIX-1580-grammar.patch, Phoenix-1580-v1.patch,
> phoenix-1580-v1-wipe.patch, phoenix-1580.patch, unionall-wipe.patch
>
>
> Select * from T1
> UNION ALL
> Select * from T2
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