[jira] Commented: (PIG-313) Error handling aggregate of a computation

["Richard Ding (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981987#action_12981987 ] 

Richard Ding commented on PIG-313:
----------------------------------

+1

> Error handling aggregate of a computation
> -----------------------------------------
>
>                 Key: PIG-313
>                 URL: https://issues.apache.org/jira/browse/PIG-313
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.2.0
>            Reporter: Pradeep Kamath
>            Assignee: Alan Gates
>            Priority: Minor
>             Fix For: 0.9.0
>
>         Attachments: PIG-313-1.patch
>
>
> Query which fails:
> {code}
> a = load ':INPATH:/singlefile/studenttab10k' as (name:chararray, age:int, gpa:double);
> b = group a by name;
> c = foreach b generate group, SUM(a.age*a.gpa);                            
> store c into ':OUTPATH:';\,
> {code}
> Error output:
> {quote}
> 2008-07-14 16:34:08,684 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file system at: testhost.com:8020
> 2008-07-14 16:34:08,741 [main] WARN  org.apache.hadoop.fs.FileSystem - "testhost.com:8020" is a deprecated filesystem name. Use "hdfs://testhost:8020/" instead.
> 2008-07-14 16:34:08,995 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to map-reduce job tracker at: testhost.com:50020
> 2008-07-14 16:34:09,251 [main] WARN  org.apache.hadoop.fs.FileSystem - "testhost.com:8020" is a deprecated filesystem name. Use "hdfs://testhost:8020/" instead.
> 2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Cannot evaluate output type of Mul/Div Operator
> 2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Problem resolving LOForEach schema
> 2008-07-14 16:34:09,559 [main] ERROR org.apache.pig.PigServer - Severe problem found during validation org.apache.pig.impl.plan.PlanValidationException: An unexpected exception caused the validation to stop 
> 2008-07-14 16:34:09,560 [main] ERROR org.apache.pig.tools.grunt.Grunt - java.io.IOException: Unable to store for alias: c
> 2008-07-14 16:34:09,560 [main] ERROR org.apache.pig.Main - java.io.IOException: Unable to store for alias: c
> {quote}

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