alpinegizmo commented on a change in pull request #16088:
URL: https://github.com/apache/flink/pull/16088#discussion_r646434410
##########
File path:
flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/runtime/operators/rank/window/WindowRankOperatorBuilder.java
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@@ -125,7 +125,7 @@ public WindowRankOperatorBuilder windowEndIndex(int
windowEndIndex) {
rankStart > 0,
String.format("Illegal rank start %s, it should be positive!",
rankStart));
checkArgument(
- rankEnd > 1,
+ rankEnd >= 1,
String.format("Illegal rank end %s, it should be bigger than
1!", rankEnd));
Review comment:
```suggestion
String.format("Illegal rank end %s, it should be at least
1!", rankEnd));
```
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