lsyldliu commented on code in PR #20635:
URL: https://github.com/apache/flink/pull/20635#discussion_r952421359
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flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/batch/sql/FunctionITCase.java:
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@@ -159,6 +159,22 @@ public void testUsingAddJar() throws Exception {
"drop function lowerUdf");
}
+ @Test
+ public void testExpressionReducerByUsingJar() {
Review Comment:
Yes, I agree with you that we should avoid code deduplication, but I prefer
the latter, we should have one test to prove it works in batch mode. BTW, maybe
there exists some batch exclusive test in the future.
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