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https://issues.apache.org/jira/browse/SPARK-34308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-34308.
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Fix Version/s: 3.2.0
Resolution: Fixed
Issue resolved by pull request 31412
[https://github.com/apache/spark/pull/31412]
> Escape meta-characters in printSchema
> -------------------------------------
>
> Key: SPARK-34308
> URL: https://issues.apache.org/jira/browse/SPARK-34308
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Minor
> Fix For: 3.2.0
>
>
> Similar to SPARK-33690, the output layout of printSchema can break if column
> names contain meta characters.
> {code:java}
> scala> val df1 = spark.sql("SELECT
> 'aaa\nbbb\tccc\rddd\feee\bfff\u000Bggg\u0007hhh'")
> scala> df1.printSchema
> root
> |-- aaa
> ddd ccc
> eefff
> ggghhh: string (nullable = false)
> {code}
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