[jira] [Created] (HIVE-16789) Query with window function fails when where clause returns no records

["Narayana (JIRA)" <ji...@apache.org>]

Narayana created HIVE-16789:
-------------------------------

             Summary: Query with window function fails when where clause returns no records
                 Key: HIVE-16789
                 URL: https://issues.apache.org/jira/browse/HIVE-16789
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 1.2.1, 1.0.1
         Environment: OS: CentOS release 6.6 (Final)
HDP: 2.7.3
Hive: 1.0.1,1.2.1
            Reporter: Narayana


When outer where clause found no matching records, queries like these are failing with 

{code}
select 
a,b,c,d,e,
min(case when e='test1' then null else c end) over (partition by a,b order by d rows between 1 preceding and current row) prev_c
from
(
select '1234' a ,'abc' b,10 c,2 d,'test1' e
union all 
select '1234' a ,'abc' b,9 c,1 d,'test2' e
union all
select '1234' a ,'abc' b,11 c,3 d,'test2' e
union all  
select '1234' a ,'abcd' b,1 c,5 d,'test2' e
union all 
select '1234' a ,'abcd' b,6 c,9 d,'test1' e
)X
where e='test3'
;
{code}

Error:

Error: java.lang.RuntimeException: Hive Runtime Error while closing operators: null
	at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.close(ExecReducer.java:295)
	at org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:453)
	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:392)
	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Unknown Source)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1698)
	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.util.NoSuchElementException
	at java.util.ArrayDeque.getFirst(Unknown Source)
	at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFMax$MaxStreamingFixedWindow.terminate(GenericUDAFMax.java:280)
	at org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.finishPartition(WindowingTableFunction.java:413)
	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:598)
	at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
	at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.close(ExecReducer.java:287)
	... 7 more



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