lsyldliu commented on a change in pull request #11482: [FLINK-16581][table]
Minibatch deduplication lack state TTL bug fix
URL: https://github.com/apache/flink/pull/11482#discussion_r407214511
##########
File path:
flink-table/flink-table-runtime-blink/src/test/java/org/apache/flink/table/runtime/operators/deduplicate/MiniBatchDeduplicateKeepLastRowFunctionTest.java
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@@ -113,4 +113,42 @@ public void testWithGenerateRetraction() throws Exception
{
testHarness.close();
assertor.assertOutputEqualsSorted("output wrong.",
expectedOutput, testHarness.getOutput());
}
+
+ @Test
+ public void tesKeepLastRowWithStateTtlAndGenerateRetraction() throws
Exception {
+ MiniBatchDeduplicateKeepLastRowFunction func =
createFunction(true, minTime.toMilliseconds());
+ OneInputStreamOperatorTestHarness<BaseRow, BaseRow> testHarness
= createTestHarness(func);
+ testHarness.setup();
+ testHarness.open();
+
+ testHarness.processElement(record("book", 1L, 10));
+ testHarness.processElement(record("book", 2L, 11));
+ // output is empty because bundle not trigger yet.
+ Assert.assertTrue(testHarness.getOutput().isEmpty());
+ testHarness.processElement(record("book", 1L, 13));
+
+ testHarness.setStateTtlProcessingTime(30);
+ //Incremental cleanup is an eventual clean up, more state
access guarantee more expired state cleaned
+ for (long i = 3; i < 30; i++){
Review comment:
Yeah, I have tested it. When remove these code, the test failed. You can see
[FLINK-10473](https://issues.apache.org/jira/browse/FLINK-10473?focusedCommentId=17068492&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17068492)
for more explain.
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