[GitHub] [spark] xinrong-meng commented on a diff in pull request #41989: [SPARK-43965][PYTHON][CONNECT] Support Python UDTF in Spark Connect

["xinrong-meng (via GitHub)" <gi...@apache.org>]

xinrong-meng commented on code in PR #41989:
URL: https://github.com/apache/spark/pull/41989#discussion_r1264023458


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connector/connect/common/src/main/protobuf/spark/connect/relations.proto:
##########
@@ -941,6 +942,36 @@ message ApplyInPandasWithState {
   string timeout_conf = 7;
 }
 
+message CommonInlineUserDefinedTableFunction {
+  // (Required) Name of the user-defined table function.
+  string function_name = 1;
+
+  // (Optional) Whether the user-defined table function is deterministic.
+  bool deterministic = 2;
+
+  // (Optional) Function input arguments. Empty arguments are allowed.
+  repeated Expression arguments = 3;
+
+  // (Required) Type of the user-defined table function.
+  oneof function {
+    PythonUDTF python_udtf = 4;

Review Comment:
   Out of curiosity will there be UDTFs in other languages?



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