[jira] [Updated] (HIVE-5061) Row sampling throws NPE when used in sub-query

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

     [ https://issues.apache.org/jira/browse/HIVE-5061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Navis updated HIVE-5061:
------------------------

    Status: Patch Available  (was: Open)
    
> Row sampling throws NPE when used in sub-query
> ----------------------------------------------
>
>                 Key: HIVE-5061
>                 URL: https://issues.apache.org/jira/browse/HIVE-5061
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>
> select * from (select * from src TABLESAMPLE (1 ROWS)) x;
> {noformat}
> ava.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.parse.SplitSample.getTargetSize(SplitSample.java:103)
> 	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.sampleSplits(CombineHiveInputFormat.java:487)
> 	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getSplits(CombineHiveInputFormat.java:405)
> 	at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:1025)
> 	at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1017)
> 	at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:174)
> 	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:928)
> 	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:881)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1278)
> 	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:881)
> 	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:855)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.execute(ExecDriver.java:426)
> 	at org.apache.hadoop.hive.ql.exec.mr.MapRedTask.execute(MapRedTask.java:144)
> 	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:151)
> 	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:65)
> 	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1424)
> 	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1204)
> 	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1009)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:878)
> 	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:259)
> 	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:216)
> 	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:413)
> 	at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:781)
> 	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675)
> 	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:614)
> {noformat}

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