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https://issues.apache.org/jira/browse/FLINK-20271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu closed FLINK-20271.
---------------------------
Resolution: Fixed
Fixed in master (1.12.0): ebf5e08a03fcc7e8ba87d806e3eaad1e4e47d61d
> Fix ArrayIndexOutOfBounds for RetractableTopNFunction
> -----------------------------------------------------
>
> Key: FLINK-20271
> URL: https://issues.apache.org/jira/browse/FLINK-20271
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.11.0, 1.12.0
> Reporter: Shengkai Fang
> Assignee: Jark Wu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> We can get the bug by adding the case into the UnitTest
> {{RetractableTopNFunctionTest}}
> {code:java}
> // Some comments here
> @Test
> public void testCornerCase() throws Exception {
> AbstractTopNFunction func = createFunction(RankType.ROW_NUMBER,
> new ConstantRankRange(1, 3), false,
> false);
> OneInputStreamOperatorTestHarness<RowData, RowData> testHarness
> = createTestHarness(func);
> testHarness.open();
> testHarness.processElement(insertRecord("a", 1L, 1));
> testHarness.processElement(insertRecord("a", 2L, 2));
> testHarness.processElement(insertRecord("a", 3L, 2));
> testHarness.processElement(insertRecord("a", 4L, 2));
> testHarness.processElement(insertRecord("a", 5L, 3));
> testHarness.processElement(insertRecord("a", 6L, 4));
> testHarness.processElement(updateBeforeRecord("a", 2L, 2));
> testHarness.close();
> }
> {code}
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