twalthr commented on code in PR #27996:
URL: https://github.com/apache/flink/pull/27996#discussion_r3125123165
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flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/serde/RexNodeJsonSerdeTest.java:
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@@ -230,6 +232,20 @@ public void testInlineFunction() throws IOException {
"The function's implementation class must not
be stateful"));
}
+ @Test
+ public void testDefaultArgOperatorRoundTrip() throws IOException {
Review Comment:
Is there a reason why you added a dedicated test, and not just a new list
entry in `testRexNodeSerde`?
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