[jira] Assigned: (PIG-1536) use same logic for merging inner schemas in "default union" and "union onschema"

["Alan Gates (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Gates reassigned PIG-1536:
-------------------------------

    Assignee: Daniel Dai  (was: Alan Gates)

> use same logic for merging inner schemas in "default union" and "union onschema"
> --------------------------------------------------------------------------------
>
>                 Key: PIG-1536
>                 URL: https://issues.apache.org/jira/browse/PIG-1536
>             Project: Pig
>          Issue Type: Task
>            Reporter: Thejas M Nair
>            Assignee: Daniel Dai
>             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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