[jira] [Created] (HIVE-5925) when aggregate with partitioned key, it would occur an empty path error.

[Chengxiang Li (JIRA)]

Chengxiang Li created HIVE-5925:
-----------------------------------

             Summary: when aggregate with partitioned key, it would occur an 
empty path error.
                 Key: HIVE-5925
                 URL: https://issues.apache.org/jira/browse/HIVE-5925
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.12.0
            Reporter: Chengxiang Li


CREATE TABLE test_paritions (uid BIGINT ) PARTITIONED BY (ds int);
 
 insert OVERWRITE TABLE test_paritions PARTITION (ds=20081221) 
 select foo  from pokes; 

 select min(ds) from test_paritions; 

ava.lang.IllegalArgumentException: Can not create a Path from an empty string 
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82) 
at org.apache.hadoop.fs.Path.<init>(Path.java:90) 
at 
org.apache.hadoop.hive.ql.io.HiveInputFormat$HiveInputSplit.getPath(HiveInputFormat.java:106)
 
at org.apache.hadoop.mapred.MapTask.updateJobWithSplit(MapTask.java:457) 
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:416) 
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:373) 
at org.apache.hadoop.mapred.Child$4.run(Child.java:266) 
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:1113)
 
at org.apache.hadoop.mapred.Child.main(Child.java:260) 



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