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https://issues.apache.org/jira/browse/CALCITE-6850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruben Q L resolved CALCITE-6850.
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Resolution: Fixed
Fixed via
[{{2b3484e}}|https://github.com/apache/calcite/commit/2b3484e4d53ad9d83fbde90716a6ec67460e2ea9]
Thanks [~jensen] for the patch and for the effort to provide the test!
> ProjectRemoveRule with two Projects does not keep field names from the top one
> ------------------------------------------------------------------------------
>
> Key: CALCITE-6850
> URL: https://issues.apache.org/jira/browse/CALCITE-6850
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.39.0
> Reporter: Zhen Chen
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.39.0
>
>
> The stripped type always is HepRelVertex, Project type will not appear. The
> logic of determining whether it is a project type will not be used. But it's
> difficult to construct an example using SQL.
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