Jimmy Xiang created HIVE-11817:
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Summary: Window function max NullPointerException
Key: HIVE-11817
URL: https://issues.apache.org/jira/browse/HIVE-11817
Project: Hive
Issue Type: Bug
Reporter: Jimmy Xiang
Assignee: Jimmy Xiang
Priority: Minor
This query
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select key, max(value) over (order by key rows between 10 preceding and 20
following) from src1 where length(key) > 10;
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fails with NPE:
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Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFMax$MaxStreamingFixedWindow.terminate(GenericUDAFMax.java:290)
at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.finishPartition(WindowingTableFunction.java:477)
at
org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.finishPartition(PTFOperator.java:337)
at
org.apache.hadoop.hive.ql.exec.PTFOperator.closeOp(PTFOperator.java:95)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:617)
at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:631)
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.close(ExecReducer.java:278)
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