Here is the table info, and the query is "select acctbal, availqty, partkey
from partsupp JOIN supplier ON (partsupp.suppkey == supplier.suppkey); "
desc formatted supplier;
OK
# col_name data_type comment
key string None
acctbal string None
address string None
name string None
nationkey bigint None
phone string None
suppkey bigint None
# Detailed Table Information
Database: default
Owner: hadoop
CreateTime: Wed Sep 21 13:05:50 PDT 2011
LastAccessTime: UNKNOWN
Protect Mode: None
Retention: 0
Location: hdfs://localhost:9000/user/hive/warehouse/supplier
Table Type: MANAGED_TABLE
Table Parameters:
transient_lastDdlTime 1316635649
# Storage Information
SerDe Library: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
InputFormat: org.apache.hadoop.mapred.TextInputFormat
OutputFormat:
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
Compressed: No
Num Buckets: -1
Bucket Columns: []
Sort Columns: []
Storage Desc Params:
field.delim ,
serialization.format ,
Time taken: 0.213 seconds
desc formatted partsupp;
OK
# col_name data_type comment
key string None
availqty int None
partkey bigint None
suppkey bigint None
supplycost double None
# Detailed Table Information
Database: default
Owner: hadoop
CreateTime: Wed Sep 21 13:05:37 PDT 2011
LastAccessTime: UNKNOWN
Protect Mode: None
Retention: 0
Location: hdfs://localhost:9000/user/hive/warehouse/partsupp
Table Type: MANAGED_TABLE
Table Parameters:
transient_lastDdlTime 1316635698
# Storage Information
SerDe Library: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
InputFormat: org.apache.hadoop.mapred.TextInputFormat
OutputFormat:
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
Compressed: No
Num Buckets: -1
Bucket Columns: []
Sort Columns: []
Storage Desc Params:
field.delim ,
serialization.format ,
Time taken: 2.192 seconds
On Sep 21, 2011, at 2:10 PM, Ayon Sinha wrote:
> If you can share details of your tables and query we might be able to help.
> Do a desc formatted <tablename>
>
> -Ayon
> See My Photos on Flickr
> Also check out my Blog for answers to commonly asked questions.
>
> From: Krish Khambadkone <kkhambadk...@apple.com>
> To: user@hive.apache.org
> Sent: Wednesday, September 21, 2011 1:11 PM
> Subject: Exception when joining HIVE tables
>
> Hi, I get this exception when I try to join two hive tables or even when I
> use a specific WHERE clause. "SELECT *" from any individual table seems to
> work fine. Any idea what is missing here. I am on hive version
> hive-0.7.0-cdh3u0.
>
> java.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.fs.Path.<init>(Path.java:50)
> at org.apache.hadoop.mapred.JobClient.copyRemoteFiles(JobClient.java:608)
> at
> org.apache.hadoop.mapred.JobClient.copyAndConfigureFiles(JobClient.java:713)
> at
> org.apache.hadoop.mapred.JobClient.copyAndConfigureFiles(JobClient.java:637)
> at org.apache.hadoop.mapred.JobClient.access$300(JobClient.java:170)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:848)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:833)
> 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:1115)
> at
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:833)
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:807)
> at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:657)
> at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:123)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:130)
> at
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
> at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1063)
> at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:900)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:748)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:164)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:241)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:456)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:186)
> Job Submission failed with exception 'java.lang.IllegalArgumentException(Can
> not create a Path from an empty string)'
> FAILED: Execution Error, return code 1 from
> org.apache.hadoop.hive.ql.exec.MapRedTask
>
>
