angerszhu created SPARK-31937:
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Summary: Support processing array and map type using script
transform
Key: SPARK-31937
URL: https://issues.apache.org/jira/browse/SPARK-31937
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: angerszhu
Currently, It is not supported to use script(e.g. python) to process array type
or map type, it will complain with below message:
{{org.apache.spark.sql.catalyst.expressions.UnsafeArrayData cannot be cast to
[Ljava.lang.Object}}
{{org.apache.spark.sql.catalyst.expressions.UnsafeMapData cannot be cast to
java.util.Map}}
To support it
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