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https://issues.apache.org/jira/browse/SPARK-27166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-27166.
-----------------------------------
Resolution: Fixed
Assignee: Dongjoon Hyun
Fix Version/s: 3.0.0
This is resolved via https://github.com/apache/spark/pull/24098
> Improve `printSchema` to print up to the given level
> ----------------------------------------------------
>
> Key: SPARK-27166
> URL: https://issues.apache.org/jira/browse/SPARK-27166
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Priority: Minor
> Fix For: 3.0.0
>
>
> This issue aims to improve `printSchema` to be able to print up to the given
> level of the schema.
> {code:java}
> scala> val df = Seq((1,(2,(3,4)))).toDF
> df: org.apache.spark.sql.DataFrame = [_1: int, _2: struct<_1: int, _2:
> struct<_1: int, _2: int>>]
> scala> df.printSchema
> root
> |-- _1: integer (nullable = false)
> |-- _2: struct (nullable = true)
> | |-- _1: integer (nullable = false)
> | |-- _2: struct (nullable = true)
> | | |-- _1: integer (nullable = false)
> | | |-- _2: integer (nullable = false)
> scala> df.printSchema(1)
> root
> |-- _1: integer (nullable = false)
> |-- _2: struct (nullable = true)
> scala> df.printSchema(2)
> root
> |-- _1: integer (nullable = false)
> |-- _2: struct (nullable = true)
> | |-- _1: integer (nullable = false)
> | |-- _2: struct (nullable = true)
> scala> df.printSchema(3)
> root
> |-- _1: integer (nullable = false)
> |-- _2: struct (nullable = true)
> | |-- _1: integer (nullable = false)
> | |-- _2: struct (nullable = true)
> | | |-- _1: integer (nullable = false)
> | | |-- _2: integer (nullable = false){code}
>
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