[HIVE-7257] UDF format_number() does not work on FLOAT types

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Assignee: Wilbur Yang
• Reporter: Wilbur Yang
• Created: 19/Jun/14 17:40
• Updated: 13/Nov/14 19:44
• Resolved: 03/Jul/14 18:11

Description

#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