zhengruifeng commented on code in PR #39835:
URL: https://github.com/apache/spark/pull/39835#discussion_r1094216810
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connector/connect/common/src/main/protobuf/spark/connect/types.proto:
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@@ -172,4 +175,12 @@ message DataType {
bool value_contains_null = 3;
uint32 type_variation_reference = 4;
}
+
+ message UDT {
+ string type = 1;
+ optional string jvm_class = 2;
+ optional string python_class = 3;
+ optional string serialized_python_class = 4;
+ DataType sql_type = 5;
Review Comment:
names are `jvm_class` for Scala UDT and `python_class` for Python UDT;
serialized data is `serialized_python_class` it use `string` instead of
`bytes` since the
[`serializedPyClass`](https://github.com/apache/spark/blob/1a42aa5bd44e7524bb55463bbd85bea782715834/sql/catalyst/src/main/scala/org/apache/spark/sql/types/UserDefinedType.scala#L51)
is string when `UserDefinedType` was implemented.
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