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https://issues.apache.org/jira/browse/SPARK-48248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-48248.
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Fix Version/s: 3.4.4
3.5.2
4.0.0
Resolution: Fixed
Issue resolved by pull request 46548
[https://github.com/apache/spark/pull/46548]
> Fix nested array to respect legacy conf of inferArrayTypeFromFirstElement
> -------------------------------------------------------------------------
>
> Key: SPARK-48248
> URL: https://issues.apache.org/jira/browse/SPARK-48248
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Affects Versions: 4.0.0
> Reporter: Hyukjin Kwon
> Assignee: Hyukjin Kwon
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.4, 3.5.2, 4.0.0
>
>
> {code}
> >>> spark.conf.set("spark.sql.pyspark.legacy.inferArrayTypeFromFirstElement.enabled",
> >>> True)
> >>> spark.createDataFrame([[[[1, "a"]]]])
> DataFrame[_1: array<array<string>>]
> {code}
> should infer it as an integer of array
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