Laljo John Pullokkaran created HIVE-7539:
--------------------------------------------
Summary: streaming windowing UDAF seems to be broken without
Partition Spec
Key: HIVE-7539
URL: https://issues.apache.org/jira/browse/HIVE-7539
Project: Hive
Issue Type: Bug
Reporter: Laljo John Pullokkaran
Assignee: Harish Butani
select avg(c_int) over(rows between 1 PRECEDING and current row) from t1;
results in
:1}}
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:271)
... 9 more
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFAverage$GenericUDAFAverageEvaluatorDouble$1.getNextResult(GenericUDAFAverage.java:180)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFAverage$GenericUDAFAverageEvaluatorDouble$1.getNextResult(GenericUDAFAverage.java:166)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFStreamingEvaluator$SumAvgEnhancer.iterate(GenericUDAFStreamingEvaluator.java:166)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:185)
at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.processRow(WindowingTableFunction.java:348)
at
org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.processRow(PTFOperator.java:318)
at
org.apache.hadoop.hive.ql.exec.PTFOperator.processOp(PTFOperator.java:131)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:800)
at
org.apache.hadoop.hive.ql.exec.ExtractOperator.processOp(ExtractOperator.java:45)
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:262)
... 9 more
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