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Posted to dev@pig.apache.org by "Dmitriy V. Ryaboy (JIRA)" <ji...@apache.org> on 2010/08/20 08:06:16 UTC
[jira] Assigned: (PIG-1551) Improve dynamic invokers to deal with
no-arg methods and array parameters
[ https://issues.apache.org/jira/browse/PIG-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmitriy V. Ryaboy reassigned PIG-1551:
--------------------------------------
Assignee: Dmitriy V. Ryaboy
> Improve dynamic invokers to deal with no-arg methods and array parameters
> -------------------------------------------------------------------------
>
> Key: PIG-1551
> URL: https://issues.apache.org/jira/browse/PIG-1551
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.8.0
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Fix For: 0.8.0
>
> Attachments: PIG-1551.patch
>
>
> PIG-1354 introduced a set of UDFs that can be used to dynamically wrap simple Java methods in a UDF, so that users don't need to create trivial wrappers if they are ok sacrificing some speed.
> This issue is to extend the set of methods that can be wrapped this way to include methods that do not take any arguments, and methods that take arrays of {int,long,float,double,string} as arguments.
> Arrays are expected to be represented by bags in Pig. Notably, this allows users to wrap statistical functions in o.a.commons.math.stat.StatUtils .
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