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https://issues.apache.org/jira/browse/CALCITE-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818277#comment-16818277
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Julian Hyde commented on CALCITE-2999:
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RelRoot was added to fix CALCITE-819. Perhaps what you need is in RelRoot not
in the RelNode.
> Can't get the right column value in LogicalSort
> -----------------------------------------------
>
> Key: CALCITE-2999
> URL: https://issues.apache.org/jira/browse/CALCITE-2999
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.19.0
> Reporter: yuqi
> Assignee: Danny Chan
> Priority: Critical
> Attachments: picture2.png, picture4.png, problem.png, problem.png
>
>
> Let's consider the sql:
> {code:sql}
> // Some comments here
> select 'hello', tag from b where text = '2' or text = '1' order by cast(text
> as int) + 1 asc , tag desc limit 1"
> {code}
> And the Plan can be seen in the picture below
> We can't get the right column value of LogicalSort if sort condition is not
> the select column list
> Can anyone help to explain this problem if i'm wrong
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