[SPARK-32828] Cast from a derived user-defined type to a base type

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: Takeshi Yamamuro
• Reporter: Takeshi Yamamuro
• Created: 09/Sep/20 07:28
• Updated: 10/Sep/20 23:47
• Resolved: 10/Sep/20 10:21

Description

This ticket targets at fixing an existing bug below in `UserDefinedTypeSuite`;This PR intends to fix a existing bug below in `UserDefinedTypeSuite`;

[info] - SPARK-19311: UDFs disregard UDT type hierarchy (931 milliseconds)16:22:35.936 WARN org.apache.spark.sql.catalyst.expressions.SafeProjection: Expr codegen error and falling back to interpreter modeorg.apache.spark.SparkException: Cannot cast org.apache.spark.sql.ExampleSubTypeUDT@46b1771f to org.apache.spark.sql.ExampleBaseTypeUDT@31e8d979. at org.apache.spark.sql.catalyst.expressions.CastBase.nullSafeCastFunction(Cast.scala:891) at org.apache.spark.sql.catalyst.expressions.CastBase.doGenCode(Cast.scala:852) at org.apache.spark.sql.catalyst.expressions.Expression.$anonfun$genCode$3(Expression.scala:147)    ...

 

 

Issue Links

• links to: [Github] Pull Request #29691 (maropu)
• links to: [Github] Pull Request #29714 (maropu)
• links to: [Github] Pull Request #29714 (maropu)