[GitHub] [flink] Myasuka commented on a change in pull request #17525: [FLINK-24597][state] fix the problem that RocksStateKeysAndNamespaceIterator would return duplicate data

[GitBox <gi...@apache.org>]

Myasuka commented on a change in pull request #17525:
URL: https://github.com/apache/flink/pull/17525#discussion_r741597480



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File path: flink-state-backends/flink-statebackend-rocksdb/src/test/java/org/apache/flink/contrib/streaming/state/RocksDBRocksStateKeysAndNamespacesIteratorTest.java
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@@ -129,4 +131,74 @@ public void testIterator() throws Exception {
             }
         }
     }
+
+    @Test
+    public void testIteratorUpdateMapStateMultipleTimes() throws Exception {

Review comment:
       First of all, this test has many code same as `#testIteratorHelper`. Secondly, I think we should add new test in `StateBackendTestBase` to verify all state-backends.




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