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From "Josh Wills (JIRA)" <>
Subject [jira] [Updated] (CRUNCH-239) Add support for unions of PTypes
Date Wed, 08 Jan 2014 01:30:51 GMT


Josh Wills updated CRUNCH-239:

    Attachment: CRUNCH-239.patch

Got a version of this working and adapted Cogroup to use it. I'm hopeful that it will make
cogroups faster and more memory efficient, and that we can use this as a basis for MSCR fusion.

> Add support for unions of PTypes
> --------------------------------
>                 Key: CRUNCH-239
>                 URL:
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Josh Wills
>            Assignee: Josh Wills
>         Attachments: CRUNCH-239.patch
> 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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