hvanhovell commented on code in PR #46245:
URL: https://github.com/apache/spark/pull/46245#discussion_r1594227631
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connector/connect/common/src/main/protobuf/spark/connect/expressions.proto:
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@@ -379,6 +380,15 @@ message ScalarScalaUDF {
bool nullable = 4;
}
+message ScalaUDAF {
+ // (Required) Serialized JVM object of the Aggregator instance, including
buffer and output encoders
+ bytes payload = 1;
+ // (Required) Input type of the UDAF
+ DataType inputType = 2;
+ // (Required) True if the UDAF can return null value
+ bool nullable = 3;
Review Comment:
Why is the return type not needed?
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