leonardBang commented on a change in pull request #15247:
URL: https://github.com/apache/flink/pull/15247#discussion_r598382812
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File path:
flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/runtime/operators/join/temporal/TemporalRowTimeJoinOperator.java
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@@ -301,6 +302,8 @@ private void cleanupExpiredVersionInState(long
currentWatermark, List<RowData> r
public void cleanupState(long time) {
leftState.clear();
rightState.clear();
+ nextLeftIndex.clear();
+ registeredTimer.clear();
Review comment:
Thanks for the contribution @zicat , but I didn't understand why `
nextLeftIndex` and `registeredTimer` state will lead to the data expansion,
could you explain more and also add test in `TemporalRowTimeJoinOperatorTest` ?
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