Hao Li created FLINK-38020:
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Summary: NonTimeRangeUnboundedPrecedingFunction failing with NPE
Key: FLINK-38020
URL: https://issues.apache.org/jira/browse/FLINK-38020
Project: Flink
Issue Type: Bug
Reporter: Hao Li[https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/over/NonTimeRangeUnboundedPrecedingFunction.java#L425-L432] missing calling `setAccumulator`. [https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/operators/over/NonTimeRangeUnboundedPrecedingFunctionTest.java#L55] didn't catch it because `sum` in [https://github.com/apache/flink/blob/master/flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/operators/over/SumAggsHandleFunction.java#L30] is long. It will fail with NPE if change it `Long` -- This message was sent by Atlassian Jira (v8.20.10#820010)
