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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9975) Renaming a nonexisting partition should not throw out NullPointerException
Date Wed, 18 Mar 2015 02:42:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366526#comment-14366526
] 

Xuefu Zhang commented on HIVE-9975:
-----------------------------------

Patch LGTM. I will leave it to Szehon to a final review.

> Renaming a nonexisting partition should not throw out NullPointerException
> --------------------------------------------------------------------------
>
>                 Key: HIVE-9975
>                 URL: https://issues.apache.org/jira/browse/HIVE-9975
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Chaoyu Tang
>            Assignee: Chaoyu Tang
>            Priority: Minor
>         Attachments: HIVE-9975.1.patch, HIVE-9975.2.patch, HIVE-9975.patch
>
>
> Renaming a nonexisting partition should not throw out NullPointerException. 
> create table testpart (col1 int, col2 string, col3 string) partitioned by (part string);
> alter table testpart partition (part = 'nonexisting') rename to partition (part = 'existing');
> we get NPE like following:
> {code}
> 15/03/16 10:16:11 ERROR exec.DDLTask: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.exec.DDLTask.renamePartition(DDLTask.java:944)
> 	at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:350)
> 	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
> 	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:88)
> 	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1642)
> 	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1402)
> 	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1187)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1053)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1043)
> 	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:207)
> 	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:159)
> 	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:370)
> 	at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:754)
> 	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675)
> 	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. null
> {code}



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