[jira] Updated: (PIG-1609) 'union onschema' should give a more useful error message when schema of one of the relations has null column name

["Thejas M Nair (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thejas M Nair updated PIG-1609:
-------------------------------

    Attachment: PIG-1609.1.patch

Pasting result of test patch for PIG-1609.1.patch
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     [exec]     +1 @author.  The patch does not contain any @author tags.
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     [exec]     +1 tests included.  The patch appears to include 3 new or modified tests.
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     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
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     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler warnings.
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     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
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     [exec]     +1 release audit.  The applied patch does not increase the total number of release audit warnings.


> 'union onschema' should give a more useful error message when schema of one of the relations has null column name
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: PIG-1609
>                 URL: https://issues.apache.org/jira/browse/PIG-1609
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.8.0
>
>         Attachments: PIG-1609.1.patch
>
>
> A better error message needs to be given in this case -
> {code}
> grunt> l = load '/tmp/empty.bag' as (i : int);
> grunt> f = foreach l generate i+1;
> grunt> describe f;
> f: {int}
> grunt> u = union onschema l , f;
> 2010-09-10 18:08:13,000 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1000: Error during parsing. Error merging
> schemas for union operator
> Details at logfile: /Users/tejas/pig_nmr_syn/trunk/pig_1284167020897.log
> {code}

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