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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1536) use same logic for merging inner schemas in "default union" and "union onschema"
Date Wed, 04 Aug 2010 20:42:16 GMT
use same logic for merging inner schemas in "default union" and "union onschema"
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                 Key: PIG-1536
                 URL: https://issues.apache.org/jira/browse/PIG-1536
             Project: Pig
          Issue Type: Task
            Reporter: Thejas M Nair
             Fix For: 0.9.0


We should consider using logic for merging inner schema in case of the two different types
of union. 

In case of 'default union', it merges the two inner schema of bags/tuples by position if the
number of fields are same and the corresponding types are compatible. 

In case of 'union onschema', it considers tuple/bag with different innerschema to be incompatible
types.


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