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https://issues.apache.org/jira/browse/CALCITE-2977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816732#comment-16816732
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Haisheng Yuan commented on CALCITE-2977:
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Pushed to master
https://github.com/apache/calcite/commit/38e3c3015b661f8f9dc61d8d0ef4be6186a4bc7a.
Thanks for the PR, [~pzw2018]!
> Exception is not thrown out when there are ambiguous field in select list
> --------------------------------------------------------------------------
>
> Key: CALCITE-2977
> URL: https://issues.apache.org/jira/browse/CALCITE-2977
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.20.0
> Reporter: pengzhiwei
> Assignee: pengzhiwei
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.20.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> In the following sql:
> {code:java}
> select t0 from (select 1 as t0, 2 as t0 from dept){code}
> _SqlValidatorImpl_ does not throw an exception for the ambiguous field "t0".
>
>
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