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From "Santhosh Srinivasan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-285) custom compare functions is ignored
Date Wed, 30 Jul 2008 01:05:31 GMT

    [ https://issues.apache.org/jira/browse/PIG-285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618026#action_12618026
] 

Santhosh Srinivasan commented on PIG-285:
-----------------------------------------

This is what I see when I run it on grunt 

{noformat}
grunt> ls
hdfs://wilbur20.labs.corp.sp1.yahoo.com:8020/user/sms/data      <dir>

grunt> a = load 'data' as (name, age, gpa);

grunt> dump a;
22438 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 0% complete
25315 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 100% complete
27836 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - Completed Successfully
(Joe 20 3.5)
(Harry 20 3.2)
(John 19 3.8)
(Jack 19 3.1)
(Govinda 20 4.0)

grunt> register testudf.jar;

grunt> b = order a by * using org.apache.pig.test.udf.orderby.OrdDesc;

grunt> dump b;
113532 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 0% complete
117077 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 33% complete
121938 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 50% complete
126999 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 66% complete
132339 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 83% complete
137393 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - 100% complete
139418 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
 - Completed Successfully
(John 19 3.8)
(Joe 20 3.5)
(Jack 19 3.1)
(Harry 20 3.2)
(Govinda 20 4.0)

grunt>
{noformat}

> custom compare functions is ignored
> -----------------------------------
>
>                 Key: PIG-285
>                 URL: https://issues.apache.org/jira/browse/PIG-285
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: types_branch
>            Reporter: Olga Natkovich
>            Assignee: Santhosh Srinivasan
>             Fix For: types_branch
>
>         Attachments: sort_using_udf.patch, sortfin.patch
>
>
> The following query successfully runs but the results don't come in the correct order:
> a = load 'studenttab10k';
> c = order a by $0 using org.apache.pig.test.udf.orderby.OrdDesc;
> store c into ;out';
> results:
> alice allen     27      1.950
> alice allen     42      2.460
> alice allen     38      0.810
> alice allen     68      3.390
> alice allen     77      2.520
> alice allen     36      2.270
> .....
> expcted:
> zach zipper     66      2.670
> zach zipper     47      2.920
> zach zipper     19      1.910
> zach zipper     23      1.120
> zach zipper     40      2.030
> zach zipper     59      2.530
> .....

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