leonardBang commented on a change in pull request #13307:
URL: https://github.com/apache/flink/pull/13307#discussion_r513547742
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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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@@ -294,6 +320,13 @@ private int indexOfFirstElementNewerThanTimer(long
timerTimestamp, List<RowData>
/**
* Binary search {@code rightRowsSorted} to find the latest right row
to join with {@code leftTime}.
* Latest means a right row with largest time that is still smaller or
equal to {@code leftTime}.
+ * For example with: rightState = [1(+I), 4(-U), 4(+U), 7(-U), 7(+U),
9(-D), 12(I)],
Review comment:
I did not get the improvement point, could you explain more ? other
comments has addressed
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