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Posted to issues@calcite.apache.org by "Zhen Chen (Jira)" <ji...@apache.org> on 2025/02/25 22:57:00 UTC

[jira] [Updated] (CALCITE-6850) ProjectRemoveRule with two Projects does not keep field names from the top one

     [ https://issues.apache.org/jira/browse/CALCITE-6850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhen Chen updated CALCITE-6850:
-------------------------------
    Summary: ProjectRemoveRule with two Projects does not keep field names from the top one  (was: Fix ProjectRemoveRule stripped can not get Project type never)

> 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: Major
>              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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