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https://issues.apache.org/jira/browse/CALCITE-5547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17719056#comment-17719056
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Julian Hyde commented on CALCITE-5547:
--------------------------------------
If it's not easy to fix, we can defer. The current PR is certainly an
improvement.
The only thing I would change about the current PR would be to convert {{class
PermuteOffsetCalculator}} into a method.
> JOIN USING returns incorrect column names
> -----------------------------------------
>
> Key: CALCITE-5547
> URL: https://issues.apache.org/jira/browse/CALCITE-5547
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.33.0
> Reporter: Sean Broeder
> Assignee: Jiajun Xie
> Priority: Major
> Labels: pull-request-available
>
> The query
> {code:java}
> SELECT '' as \"xxx\", *
> FROM (values (1, 4, 'one')) as t1(i ,j ,t )
> LEFT JOIN (values (1, -1)) as t2(i ,k )
> USING (i) {code}
> returns columns (xxx, i, j, i0),
> but should return columns (xxx, i, j, t, k)
>
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