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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12774) Vectorization problem with empty partition
Date Tue, 05 Jan 2016 04:25:39 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-12774:
---------------------------
    Affects Version/s: 1.3.0

> Vectorization problem with empty partition
> ------------------------------------------
>
>                 Key: HIVE-12774
>                 URL: https://issues.apache.org/jira/browse/HIVE-12774
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>    Affects Versions: 1.3.0
>            Reporter: Lance Norskog
>            Priority: Minor
>
> A query against a table with no data in partition X fails under vectorization.
> Table:
> {code}
> use default;
> drop table if exists test;
> CREATE TABLE default.test(
>   district_id bigint, 
>   user_type string,
>   7d int)
> PARTITIONED BY
>   (partition_date string)
> ROW FORMAT SERDE 
>   'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' 
> STORED AS INPUTFORMAT 
>   'org.apache.hadoop.mapred.TextInputFormat' 
> OUTPUTFORMAT 
>   'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
> {code}
> Query:
> {code}
> set hive.vectorized.execution.enabled = true;
> select partition_date, sum(teachers_7d)
> from
> (
> select distinct ad1.partition_date, ad1.district_id, ad1.7d teachers_7d
> from default.test ad1
> left join default.test ad2 on ad1.district_id = ad2.district_id and ad2.user_type = 'STUDENT'

> and ad2.partition_date = '2015-12-20'
> where ad1.user_type = 'TEACHER'
> and ad1.partition_date = '2015-12-20'
> ) a
> group by partition_date
> ;
> {code}
> This will elicit a task that fails:
> {code}
> Diagnostic Messages for this Task:
> Error: java.lang.RuntimeException: Error in configuring object
> 	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
> 	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
> 	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:449)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
> 	... 9 more
> Caused by: java.lang.RuntimeException: Error in configuring object
> 	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
> 	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
> 	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
> 	at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:38)
> 	... 14 more
> Caused by: java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)
> 	... 17 more
> Caused by: java.lang.RuntimeException: Map operator initialization failed
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:147)
> 	... 22 more
> Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyLongObjectInspector
cannot be cast to org.apache.hadoop.hive.serde2.objectinspector.primitive.SettableLongObjectInspector
> 	at org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpressionWriterFactory.genVectorExpressionWritable(VectorExpressionWriterFactory.java:410)
> 	at org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpressionWriterFactory.processVectorInspector(VectorExpressionWriterFactory.java:1102)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorReduceSinkOperator.initializeOp(VectorReduceSinkOperator.java:55)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:469)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:425)
> 	at org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.initializeOp(VectorFilterOperator.java:77)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:469)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:425)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:431)
> 	at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:126)
> 	... 22 more
> {code}



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