[jira] [Commented] (CALCITE-754) Failure to resolve a column in OVER-CLAUSE if that column is produced by a JOIN

["Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14577476#comment-14577476 ] 

Sean Hsuan-Yi Chu commented on CALCITE-754:
-------------------------------------------

I would like to work on this bug

> Failure to resolve a column in OVER-CLAUSE if that column is produced by a JOIN
> -------------------------------------------------------------------------------
>
>                 Key: CALCITE-754
>                 URL: https://issues.apache.org/jira/browse/CALCITE-754
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Sean Hsuan-Yi Chu
>            Assignee: Julian Hyde
>
> A query such as :
> select sum(t1.deptno) over(partition by t1.deptno)
> from emp t1, emp t2
> would raise exception:
> org.apache.calcite.sql.validate.SqlValidatorException: Column 'EMPNO' is ambiguous.
> Calcite cannot point the column in OVER-CLAUSE to the JOINed table.



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