[jira] [Assigned] (SPARK-56030) Normalize inner Project when below Project -> Filter

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-56030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-56030:
-----------------------------------

    Assignee: Mihailo Aleksic

> Normalize inner Project when below Project -> Filter
> ----------------------------------------------------
>
>                 Key: SPARK-56030
>                 URL: https://issues.apache.org/jira/browse/SPARK-56030
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.1.1
>            Reporter: Mihailo Aleksic
>            Assignee: Mihailo Aleksic
>            Priority: Major
>              Labels: pull-request-available
>
> In this issue I propose to normalize inner Project when below Project -> Filter. Right now
> ```
> SELECT a.key, b.key AS key_b
> FROM t1 b
> FULL JOIN t2 a USING (key)
> WHERE b.key IS NULL OR a.key IS NULL
> ```
> throws LOGICAL_PLAN_COMPARISON_MISMATCH for analyzer dual-runs and normalizing would fix it.



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