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https://issues.apache.org/jira/browse/SPARK-56030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-56030:
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Labels: pull-request-available (was: )
> 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
> 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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