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https://issues.apache.org/jira/browse/SPARK-30903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-30903.
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Fix Version/s: 3.0.0
Assignee: wuyi
Resolution: Fixed
Resolved by [https://github.com/apache/spark/pull/27651]
> Fail fast on duplicate columns when analyze columns
> ---------------------------------------------------
>
> Key: SPARK-30903
> URL: https://issues.apache.org/jira/browse/SPARK-30903
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: wuyi
> Assignee: wuyi
> Priority: Major
> Fix For: 3.0.0
>
>
> We should fail fast on duplicate columns when analyze columns to avoid
> duplicate computation on the column.
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