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From Benjamin Reed <br...@yahoo-inc.com>
Subject Re: Proposal for adding user defined ordering to pig
Date Tue, 06 Nov 2007 16:18:25 GMT
Exactly. Just to be clear. We are talking about how to implement the ordering. 
Pig developers would just need to implement the Comparator class as outlined 
by Alan.

ben

On Tuesday 06 November 2007 03:53:20 Andrzej Bialecki wrote:
> Benjamin Reed wrote:
> > Using the compareTo method is just the default. We can define our own
> > WritetableComparator subclass to hook into the Hadoop sorting.
>
> You can either register it in WritableComparator (though this is less
> flexible - the comparator will be used in every case, no matter what job
> runs in the JVM), or set it specifically on a per-job basis using
> JobConf.setOutputKeyComparatorClass().



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