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https://issues.apache.org/jira/browse/SPARK-47839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-47839:
-----------------------------------
Assignee: Kelvin Jiang
> Fix Aggregate bug in RewriteWithExpression
> ------------------------------------------
>
> Key: SPARK-47839
> URL: https://issues.apache.org/jira/browse/SPARK-47839
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Kelvin Jiang
> Assignee: Kelvin Jiang
> Priority: Major
> Labels: pull-request-available
>
> The following query will fail:
> {code:SQL}
> SELECT NULLIF(id + 1, 1)
> from range(10)
> group by id
> {code}
> This is because {{NullIf}} gets rewritten to {{With}}, then
> {{RewriteWithExpression}} tries to pull common expression {{id + 1}} out of
> the aggregate, resulting in an invalid plan.
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