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https://issues.apache.org/jira/browse/SPARK-38211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17492325#comment-17492325
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Apache Spark commented on SPARK-38211:
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User 'manuzhang' has created a pull request for this issue:
https://github.com/apache/spark/pull/35519
> Add SQL migration guide on restoring loose upcast from string
> -------------------------------------------------------------
>
> Key: SPARK-38211
> URL: https://issues.apache.org/jira/browse/SPARK-38211
> Project: Spark
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 3.2.1
> Reporter: Manu Zhang
> Priority: Minor
>
> After SPARK-24586, loose upcasting from string to other types are not allowed
> by default. User can still set {{spark.sql.legacy.looseUpcast=true}} to
> preserve old behavior but it's not documented in the SQL migration guide.
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