[jira] Commented: (PIG-1034) Pig does not support ORDER ... BY group alias

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-1034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12880808#action_12880808 ] 

Hadoop QA commented on PIG-1034:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12447586/PIG_1034.patch
  against trunk revision 956440.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated 1 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/344/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/344/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/344/console

This message is automatically generated.

> Pig does not support ORDER ... BY group alias
> ---------------------------------------------
>
>                 Key: PIG-1034
>                 URL: https://issues.apache.org/jira/browse/PIG-1034
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: David Ciemiewicz
>            Assignee: Jeff Zhang
>             Fix For: 0.8.0
>
>         Attachments: PIG_1034.patch
>
>
> GROUP ... ALL and GROUP ... BY produce an alias "group".
> Pig produces a syntax error if you attempt to ORDER ... BY group.
> This does seem like a perfectly reasonable thing to do.
> The workaround is to create an alias for group using an AS clause.  But I think this workaround should be unnecessary.
> Here's sample code which elicits the syntax error:
> {code}
> A = load 'one.txt' using PigStorage as (one: int);
> B = group A all;
> C = foreach B generate
> 	group,
> 	COUNT(A) as count;
> D = order C by group parallel 1; -- group is one of the aliases in C, why does this throw a syntax error?
> dump D;
> {code}

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