ldadima commented on code in PR #27508:
URL: https://github.com/apache/flink/pull/27508#discussion_r2766856247
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flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/runtime/stream/sql/JoinITCase.scala:
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@@ -623,6 +624,22 @@ class JoinITCase(miniBatch: MiniBatchMode, state:
StateBackendMode, enableAsyncS
assertThat(sink.getRetractResults.sorted).isEqualTo(expected.sorted)
}
+ @TestTemplate
+ def testInnerMultiJoinWithEqualPk(): Unit = {
Review Comment:
Thanks for your review @gustavodemorais
1 Checked. All passed
<img width="1353" height="161" alt="image"
src="https://github.com/user-attachments/assets/f04af3aa-8a88-46ef-9cdc-958bfc5a551a";
/>
2 I don't understand why we need to add SemanticTest. The problem only
occurs after restoring from a checkpoint and only for HeapStateBackend. Also in
SemanticTest there is MULTI_JOIN_TWO_WAY_INNER_JOIN_WITH_WHERE_IN, which checks
similar sql (uses the same MultiJoinStateViews.JoinKeyContainsUniqueKey). I
suggest modify MultiJoinITCase
([here](https://github.com/apache/flink/pull/27415)) for failingDataSource and
add this case
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