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Posted to commits@beam.apache.org by "Jean-Baptiste Onofré (JIRA)" <ji...@apache.org> on 2018/01/09 10:18:01 UTC

[jira] [Created] (BEAM-3437) Support schema in PCollections

Jean-Baptiste Onofré created BEAM-3437:
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             Summary: Support schema in PCollections
                 Key: BEAM-3437
                 URL: https://issues.apache.org/jira/browse/BEAM-3437
             Project: Beam
          Issue Type: Wish
          Components: beam-model
            Reporter: Jean-Baptiste Onofré
            Assignee: Jean-Baptiste Onofré


As discussed with some people in the team, it would be great to add schema support in {{PCollections}}. It will allow us:

1. To expect some data type in {{PTransforms}}
2. Improve some runners with additional features (I'm thinking about Spark runner with data frames for instance).

A technical draft document has been created: 

https://docs.google.com/document/d/1tnG2DPHZYbsomvihIpXruUmQ12pHGK0QIvXS1FOTgRc/edit?disco=AAAABhykQIs&ts=5a203b46&usp=comment_email_document

I also started a PoC on a branch, I will update this Jira with a "discussion" PR.



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