Wilbur Yang created HIVE-7257:
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Summary: UDF format_number() does not work on FLOAT types
Key: HIVE-7257
URL: https://issues.apache.org/jira/browse/HIVE-7257
Project: Hive
Issue Type: Bug
Reporter: Wilbur Yang
Assignee: Wilbur Yang
#1 Show the table:
hive> describe ssga3;
OK
source string
test float
dt timestamp
Time taken: 0.243 seconds
#2 Run format_number on double and it works:
hive> select format_number(cast(test as double),2) from ssga3;
Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job = job_201403131616_0009, Tracking URL =
http://cdh5-1:50030/jobdetails.jsp?jobid=job_201403131616_0009
Kill Command =
/opt/cloudera/parcels/CDH-4.6.0-1.cdh4.6.0.p0.26/lib/hadoop/bin/hadoop job
-kill job_201403131616_0009
Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 0
2014-03-13 17:14:53,992 Stage-1 map = 0%, reduce = 0%
2014-03-13 17:14:59,032 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 1.47 sec
2014-03-13 17:15:00,046 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 1.47 sec
2014-03-13 17:15:01,056 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 1.47 sec
2014-03-13 17:15:02,067 Stage-1 map = 100%, reduce = 100%, Cumulative CPU 1.47
sec
MapReduce Total cumulative CPU time: 1 seconds 470 msec
Ended Job = job_201403131616_0009
MapReduce Jobs Launched:
Job 0: Map: 1 Cumulative CPU: 1.47 sec HDFS Read: 299 HDFS Write: 10 SUCCESS
Total MapReduce CPU Time Spent: 1 seconds 470 msec
OK
1.00
2.00
Time taken: 16.563 seconds
#3 Run format_number on float and it does not work
hive> select format_number(test,2) from ssga3;
Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job = job_201403131616_0010, Tracking URL =
http://cdh5-1:50030/jobdetails.jsp?jobid=job_201403131616_0010
Kill Command =
/opt/cloudera/parcels/CDH-4.6.0-1.cdh4.6.0.p0.26/lib/hadoop/bin/hadoop job
-kill job_201403131616_0010
Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 0
2014-03-13 17:20:21,158 Stage-1 map = 0%, reduce = 0%
2014-03-13 17:21:00,453 Stage-1 map = 100%, reduce = 100%
Ended Job = job_201403131616_0010 with errors
Error during job, obtaining debugging information...
Job Tracking URL: http://cdh5-1:50030/jobdetails.jsp?jobid=job_201403131616_0010
Examining task ID: task_201403131616_0010_m_000002 (and more) from job
job_201403131616_0010
Unable to retrieve URL for Hadoop Task logs. Does not contain a valid host:port
authority: logicaljt
Task with the most failures(4):
Task ID:
task_201403131616_0010_m_000000
Diagnostic Messages for this Task:
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row {"source":null,"test":1.0,"dt":null}
at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:159)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:417)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332)
at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
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:1438)
at org.apache.hadoop.mapred.Child.main(Child.java:262)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error
while processing row {"source":null,"test":1.0,"dt":null}
at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:675)
at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:141)
..
FAILED: Execution Error, return code 2 from
org.apache.hadoop.hive.ql.exec.MapRedTask
MapReduce Jobs Launched:
Job 0: Map: 1 HDFS Read: 0 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec
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