[jira] Updated: (PIG-1610) 'union onschema' does handle some cases involving 'namespaced' column names in schema

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

     [ https://issues.apache.org/jira/browse/PIG-1610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thejas M Nair updated PIG-1610:
-------------------------------

    Summary: 'union onschema' does handle some cases involving 'namespaced' column names in schema  (was: 'union onschema' does handle some cases involving 'namespaced' variable names)

> 'union onschema' does handle some cases involving 'namespaced' column names in schema
> -------------------------------------------------------------------------------------
>
>                 Key: PIG-1610
>                 URL: https://issues.apache.org/jira/browse/PIG-1610
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.8.0
>
>
> case 1:
> grunt> describe f;              
> f: {l1::a: bytearray,l1::b: bytearray}
> grunt> describe l1;
> l1: {a: bytearray,b: bytearray}
> grunt> dump f;
> (1,11)
> (2,22)
> (3,33)
> grunt> dump l1;
> (1,11)
> (2,22)
> (3,33)
> grunt> u = union onschema f, l1;
> grunt> describe u;
> u: {l1::a: bytearray,l1::b: bytearray}
> -- the dump u gives incorrect results
> grunt> dump u;     
> (,)
> (,)
> (,)
> (1,11)
> (2,22)
> (3,33)
> case 2:
> grunt> u = union onschema l1, f;
> grunt> describe u;
> 2010-09-13 15:11:13,877 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1108: Duplicate schema alias: l1::a
> Details at logfile: /Users/tejas/pig_unions_err2/trunk/pig_1284410413970.log

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