xuzhiwen1255 commented on code in PR #21971:
URL: https://github.com/apache/flink/pull/21971#discussion_r1119485906
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flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/source/datagen/SequenceGenerator.java:
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@@ -83,9 +86,11 @@ public void open(
final int taskIdx = runtimeContext.getIndexOfThisSubtask();
final long congruence = start + taskIdx;
+ Preconditions.checkArgument(
+ end - start < Long.MAX_VALUE - 1, "Limit exceeded
Long.MAX_VALUE-1");
Review Comment:
yes, I think it would be awkward to print a large number, outputting
Long.MAX_VALUE may be easier for people to understand
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