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Posted to dev@gora.apache.org by "Lewis John McGibbney (Created) (JIRA)" <ji...@apache.org> on 2012/02/25 00:57:48 UTC

[jira] [Created] (GORA-97) Write Gora GrammerGenerator to replace FakeResolvingDecoder

Write Gora GrammerGenerator to replace FakeResolvingDecoder
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                 Key: GORA-97
                 URL: https://issues.apache.org/jira/browse/GORA-97
             Project: Apache Gora
          Issue Type: New Feature
    Affects Versions: 0.2
            Reporter: Lewis John McGibbney
            Priority: Minor
             Fix For: 0.3


As mentioned in o.a.g.mapreduce.FakeResolvingDecoder

Avro uses a ResolvingDecoder which resolves two schemas and converts records written by one to the other, and validates the input. However, Gora needs to write extra information along with the data, so the validation is not consistent with the grammer generated by Avro. So we need to fake the ResolvingDecoder (which is sadly hard coded into GenericDatumReader) until we can write our own GrammerGenerator extending ResolvingGrammerGenerator of Avro. As Avro has matured slightly, this issue should aspire to address exactly that.

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