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From "Chao Shi (JIRA)" <>
Subject [jira] [Created] (CRUNCH-315) Empty collection
Date Thu, 26 Dec 2013 11:09:50 GMT
Chao Shi created CRUNCH-315:

             Summary: Empty collection
                 Key: CRUNCH-315
             Project: Crunch
          Issue Type: New Feature
            Reporter: Chao Shi

As discussed in the mailing list [1] and [2], I'd like to add an empty collection feature.
On the API side, I think we can add a new method in Pipeline to create an empty collection.
The collection should be a subclass of PCollection and behaves like other normal PCollecitons.
There are also some optimization points that Josh mentioned in [2].

I haven't thought it clearly. Just put a ticket here and see if anyone else has a better idea.


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