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From "Gabriel C Balan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10525) loading data into list bucketing table fails when nulls in skew column
Date Tue, 28 Apr 2015 22:03:06 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gabriel C Balan updated HIVE-10525:
-----------------------------------
    Summary: loading data into list bucketing table fails when nulls in skew column  (was:
loading data into list bucketing table when null in skew column)

> loading data into list bucketing table fails when nulls in skew column
> ----------------------------------------------------------------------
>
>                 Key: HIVE-10525
>                 URL: https://issues.apache.org/jira/browse/HIVE-10525
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.1.0
>         Environment: linux
>            Reporter: Gabriel C Balan
>            Priority: Minor
>
> I'm trying to load data into a list bucketing table.
> The insert statement fails when there are nulls going into the skew column.
> If this is the expected behavior, there is no mention of this restriction in the doc.
> {code:title=has-null.csv}
> 1
> 2
> \N
> 3
> {code}
> {code:title=no-null.csv}
> 1
> 2
> 3
> {code}
> {code: title=hive cli|borderStyle=solid}
> set hive.mapred.supports.subdirectories=true;
> set hive.optimize.listbucketing=true;
> set mapred.input.dir.recursive=true;	
> set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat;
> create table src_with_null (x int);
> load data local inpath 'has-null.csv' overwrite into table src_with_null;
> create table src_no_null (x int);
> load data local inpath 'no-null.csv' overwrite into table src_no_null;
> create table lb (x int) partitioned by (p string) 
> skewed by ( x ) on (1) STORED AS DIRECTORIES
> stored as rcfile;
> insert overwrite table lb partition (p = 'foo') select * from src_with_null;
> --fails
> insert overwrite table lb partition (p = 'foo') select * from src_no_null;
> --succeeds
> {code}
> {noformat:nopanel=true}I see this in ${hive.log.dir}/hive.log{noformat}
> 2015-04-28 13:43:47,646 WARN  [Thread-82]: mapred.LocalJobRunner (LocalJobRunner.java:run(560))
- job_local402607316_0001
> java.lang.Exception: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row {"x":null}
> 	at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
> 	at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
> Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row {"x":null}
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:179)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
> 	at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row {"x":null}
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:507)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:170)
> 	... 10 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.exec.FileSinkOperator.generateListBucketingDirName(FileSinkOperator.java:833)
> 	at org.apache.hadoop.hive.ql.exec.FileSinkOperator.processOp(FileSinkOperator.java:615)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:815)
> 	at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:84)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:815)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:95)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:157)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:497)



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