[jira] [Commented] (PIG-2166) UDFs to join a bag

["Daniel Dai (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-2166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289821#comment-13289821 ] 

Daniel Dai commented on PIG-2166:
---------------------------------

It is the cache directory for benchmark files. 
                
> UDFs to join a bag
> ------------------
>
>                 Key: PIG-2166
>                 URL: https://issues.apache.org/jira/browse/PIG-2166
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Daniel Dai
>            Assignee: Hien Luu
>            Priority: Minor
>              Labels: newbie, simple
>         Attachments: PIG-2166.diff, bagtotuplestring.diff, test_harnesss_1338753364
>
>
> Get several request for a UDF to flatten a bag. Seems reasonable to create one in builtin:
> 1. BagToTuple: {(a),(b),(c)} -> (a,b,c)
> 2. BagToString(delimit="_"): {(a),(b),(c) -> "a_b_c"

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