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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-8272) Query with particular decimal expression causes NPE during execution initialization
Date Fri, 26 Sep 2014 19:51:33 GMT
Matt McCline created HIVE-8272:
----------------------------------

             Summary: Query with particular decimal expression causes NPE during execution
initialization
                 Key: HIVE-8272
                 URL: https://issues.apache.org/jira/browse/HIVE-8272
             Project: Hive
          Issue Type: Bug
          Components: Logical Optimizer, Physical Optimizer
            Reporter: Matt McCline
            Priority: Critical
             Fix For: 0.14.0



Query:
{code}
select 
  cast(sum(dc)*100 as decimal(11,3)) as c1
  from somedecimaltable
  order by c1
  limit 100;
{code}

Fails during execution initialization due to *null* ExprNodeDesc.

Noticed while trying to simplify a Vectorization issue and realized it was a more general
issue.

{code}
Caused by: java.lang.RuntimeException: Map operator initialization failed
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:154)
	... 22 more
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.initializeOp(ReduceSinkOperator.java:215)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464)
	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420)
	at org.apache.hadoop.hive.ql.exec.GroupByOperator.initializeOp(GroupByOperator.java:427)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464)
	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464)
	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420)
	at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380)
	at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:425)
	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380)
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133)
	... 22 more
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.getExprString(ExprNodeGenericFuncDesc.java:154)
	at org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.getExprString(ExprNodeGenericFuncDesc.java:154)
	at org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.initializeOp(ReduceSinkOperator.java:148)
	... 38 more
{code}



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