[jira] [Created] (HIVE-7539) streaming windowing UDAF seems to be broken without Partition Spec

["Laljo John Pullokkaran (JIRA)" <ji...@apache.org>]

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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