rangadi commented on code in PR #44643:
URL: https://github.com/apache/spark/pull/44643#discussion_r1470079760
##########
connector/protobuf/src/test/scala/org/apache/spark/sql/protobuf/ProtobufFunctionsSuite.scala:
##########
@@ -1150,6 +1221,32 @@ class ProtobufFunctionsSuite extends QueryTest with
SharedSparkSession with Prot
}
}
+ test("Retain empty recursive proto fields when
retain.empty.message.types=true") {
+ // This verifies that a empty proto like 'message A { A a = 1}' can be
retained by
+ // inserting a dummy field.
+
+ val emptyProtoSchema =
+ StructType(StructField("__dummy_field_in_empty_struct", StringType) ::
Nil)
+ val expectedSchema = StructType(
Review Comment:
Thanks. The comment above looks good. Could you update the test with
recursive depth set to 4?
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