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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CRUNCH-239) Add support for unions of PTypes
Date Thu, 18 Jul 2013 07:28:48 GMT
Josh Wills created CRUNCH-239:
---------------------------------

             Summary: Add support for unions of PTypes
                 Key: CRUNCH-239
                 URL: https://issues.apache.org/jira/browse/CRUNCH-239
             Project: Crunch
          Issue Type: Bug
          Components: Core
            Reporter: Josh Wills
            Assignee: Josh Wills


There are a few core use cases (e.g., cogroups, as in CRUNCH-174) where it would be useful
to construct a union of multiple PTypes into a single PType, where any given observation could
only be of one of multiple/optional types.

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