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From "Gabriel Reid (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CRUNCH-554) Add min and max aggregators for Comparables
Date Wed, 29 Jul 2015 08:27:05 GMT
Gabriel Reid created CRUNCH-554:
-----------------------------------

             Summary: Add min and max aggregators for Comparables
                 Key: CRUNCH-554
                 URL: https://issues.apache.org/jira/browse/CRUNCH-554
             Project: Crunch
          Issue Type: New Feature
            Reporter: Gabriel Reid
            Assignee: Gabriel Reid


In the Aggregators class, we currently have min and max aggregators for various numeric types,
but not for the general case of Comparables. We do have this functionality in the MaxN and
MinN aggregators, however.

We should add MAX_COMPARABLES and MIN_COMPARABLES methods to the Aggregators class. As extra
bonus, all of the current numeric max and min aggregators can be discarded and replaced with
the comparable version.



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