hvanhovell commented on code in PR #49488:
URL: https://github.com/apache/spark/pull/49488#discussion_r1947978293
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sql/connect/common/src/main/protobuf/spark/connect/relations.proto:
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@@ -1031,6 +1033,30 @@ message GroupMap {
// (Optional) The schema for the grouped state.
optional DataType state_schema = 10;
+
+ // Below fields are only used by TransformWithState
+ // (Optional) TransformWithState related parameters.
+ optional TransformWithStateInfo transformWithStateInfo = 11;
+}
+
+// Event time rule needed for chaining of operator of TransformWithState
+message UpdateEventTimeWatermarkColumn {
+ // (Required) Input relation.
+ Relation input = 1;
+
+ // (Required) Event time column name.
+ string event_time_col_name = 3;
+}
+
+message TransformWithStateInfo {
+ // (Required) Bytes for java serialized user-defined stateful processor.
Review Comment:
Please try to keep the protocol as language agnostic as possible. Is it
possible to get a more generic operator here?
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