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https://issues.apache.org/jira/browse/SPARK-10472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-10472.
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Resolution: Fixed
Resolved by https://github.com/apache/spark/pull/8640
> UserDefinedType.typeName gives wrong result
> -------------------------------------------
>
> Key: SPARK-10472
> URL: https://issues.apache.org/jira/browse/SPARK-10472
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.2.2, 1.3.1, 1.4.1, 1.5.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
> Priority: Minor
>
> {{DataType.typeName}} is defined as:
> {code}
> /** Name of the type used in JSON serialization. */
> def typeName: String =
> this.getClass.getSimpleName.stripSuffix("$").dropRight(4).toLowerCase
> {code}
> The {{dropRight(4)}} is used to drop the {{Type}} suffix. However, UDTs may
> not have such suffix. For example, {{NestedStructUDT.typeName}} gives
> {{nestedstruc}}.
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