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https://issues.apache.org/jira/browse/PIG-1577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates reassigned PIG-1577:
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Assignee: Daniel Dai
> support to variable number of arguments in UDF
> ----------------------------------------------
>
> 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
> Assignee: Daniel Dai
> 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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