Takeshi Yamamuro created SPARK-32828:
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Summary: Cast from a derived user-defined type to a base type
Key: SPARK-32828
URL: https://issues.apache.org/jira/browse/SPARK-32828
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.1.0, 3.0.2
Reporter: Takeshi Yamamuro
This ticket targets at fixing an existing bug below in
`UserDefinedTypeSuite`;This PR intends to fix a existing bug below in
`UserDefinedTypeSuite`;
{code:java}
[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)
...{code}
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