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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-1577) support to variable number of arguments in UDF
Date Sat, 28 Aug 2010 00:37:54 GMT
support to variable number of arguments in UDF
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                 Key: PIG-1577
                 URL: https://issues.apache.org/jira/browse/PIG-1577
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.6.0
            Reporter: Olga Natkovich
             Fix For: 0.9.0


In the current implementation, functionality that allows to map arguments to classes does
not support functions with variable number of arguments. Also it does not support funtions
that can have variable (but fixed in number) number of arguments. 

This causes problems for string UDFs such as CONCAT that can take an arbitrary number of arguments
or TRIM that can take 1,2, or 3 arguments

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