HeartSaVioR edited a comment on issue #23854: [SPARK-22000][SQL] Use String.valueOf in generated code to assign value to String type of field in Java Bean Encoder URL: https://github.com/apache/spark/pull/23854#issuecomment-466197634 > Before your change, which field has the wrong generated code -- what type is it? The field/column was `ref`: the type from `ref` column in Dataset was `IntegerType` and the type of `ref` field in Java class was `String`. To be honest I have no idea this is intended to support (implicit) type conversions when deserializing, but any types to String would sound convenient, and not much weird. Without knowing history/intention I guess I can't explain more.
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