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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1610) 'union onschema' does handle some cases involving 'namespaced' variable names
Date Mon, 13 Sep 2010 22:15:34 GMT
'union onschema' does handle some cases involving 'namespaced' variable names
-----------------------------------------------------------------------------

                 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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