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https://issues.apache.org/jira/browse/PIG-832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721428#action_12721428
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Milind Bhandarkar commented on PIG-832:
---------------------------------------

Hardwiring names that are not reserved words is likely to cause more pain in 
the long run. What Daniel is proposing seems to be right for your assumptions 
1, 2, and 3, though. But one can easily think of several use cases where 
overriding on the command-line eases a lot of pain. Assume that someone writes 
a new superfast PigStorage UDF, and wants to compare its performance with the 
default PigStorage provided with Pig. Instead of modifying the entire benchmark 
suite PigMix to use the new storage UDF, he/she can just make PigStorage point 
to his own UDF on the commandline and run PigMix. It saves a lot of Pain.

> Make import list configurable
> -----------------------------
>
>                 Key: PIG-832
>                 URL: https://issues.apache.org/jira/browse/PIG-832
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.2.0
>            Reporter: Olga Natkovich
>            Assignee: Daniel Dai
>             Fix For: 0.3.0
>
>
> Currently, it is hardwired in PigContext.

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