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From "Shravan Matthur Narayanamurthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-307) flatten logic assumes that anything to be flattened is a bag, when it could be a tuple.
Date Thu, 14 Aug 2008 07:09:44 GMT

    [ https://issues.apache.org/jira/browse/PIG-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622455#action_12622455
] 

Shravan Matthur Narayanamurthy commented on PIG-307:
----------------------------------------------------

Alan, I saw that the script is working to produce the same results as trunk. Could you please
give me some other script pointing out the error?

> flatten logic assumes that anything to be flattened is a bag, when it could be a tuple.
> ---------------------------------------------------------------------------------------
>
>                 Key: PIG-307
>                 URL: https://issues.apache.org/jira/browse/PIG-307
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: types_branch
>            Reporter: Alan Gates
>            Assignee: Shravan Matthur Narayanamurthy
>            Priority: Critical
>             Fix For: types_branch
>
>
> Queries such as:
> {code}
> a = load 'myfile' using PigStorage() as (name, age, gpa);                           
                         
> b = filter a by name lt 'b';                                                        
                                                                           
> c = foreach b generate TOKENIZE(name);                                              
                                                                           
> d = foreach c generate flatten($0);                                                 
                                                                           
> store d into 'outfile';
> {code}
> fail because the flatten statement in d = foreach ... assumes $0 is a bag.  

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