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From "Josh Wills (JIRA)" <>
Subject [jira] [Resolved] (CRUNCH-300) Support reflected Avro record writing from MemPipeline
Date Fri, 22 Nov 2013 00:45:35 GMT


Josh Wills resolved CRUNCH-300.

       Resolution: Fixed
    Fix Version/s: 0.9.0

Pushed this one to master; will tackle CRUNCH-302 next.

> Support reflected Avro record writing from MemPipeline
> ------------------------------------------------------
>                 Key: CRUNCH-300
>                 URL:
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: David Whiting
>            Assignee: Gabriel Reid
>            Priority: Minor
>             Fix For: 0.9.0
>         Attachments: 0001-Allow-MemPipeline-to-write-Avro-files-by-reflection.patch,
> MemPipeline doesn't support writing Avro records via reflection. It seems that this was
half implemented but never finished, but I needed it to create some test data to run through
a cluster MapReduce test. The current implementation correctly reflects the schema, but then
uses a GenericDatumWriter to try and write the record, causing a ClassCastException. The correct
way would be to get a ReflectDatumWriter from the ReflectDataFactory.

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