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https://issues.apache.org/jira/browse/PIG-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Zhang updated PIG-1166:
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    Attachment: Pig_1166.patch

> A bit change of the interface of Tuple & DataBag ( make the set and append 
> method return this)
> ----------------------------------------------------------------------------------------------
>
>                 Key: PIG-1166
>                 URL: https://issues.apache.org/jira/browse/PIG-1166
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>            Priority: Minor
>         Attachments: Pig_1166.patch
>
>
> When people write unit test for UDF, they always need to build a tuple or 
> bag. If we change the interface of Tuple and DataBag,  make the set and 
> append method return this, it can decrease the code size.  e.g. Now people 
> have to write the following code to build a Tuple:
> {code}
> Tuple tuple=TupleFactory.getInstance().newTuple(3);
> tuple.set(0,"item_0");
> tuple.set(1,"item_1");
> tuple.set(2,"item_2");
> {code}
> If we change the interface,  make the set and append method return this, we 
> can rewrite the above code like this:
> {code}
> Tuple tuple=TupleFactory.getInstance().newTuple(3);
> tuple.set(0,"item_0").set(1,"item_1").set(2,"item_2");
> {code}
> This interface change won't have back compatibility problem and I think 
> there's no performance problem too.

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