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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2017/08/10 18:03:05 UTC

[jira] [Created] (FLINK-7420) Move all Avro code to flink-avro

Stephan Ewen created FLINK-7420:
-----------------------------------

             Summary: Move all Avro code to flink-avro
                 Key: FLINK-7420
                 URL: https://issues.apache.org/jira/browse/FLINK-7420
             Project: Flink
          Issue Type: Improvement
          Components: Build System
            Reporter: Stephan Ewen
             Fix For: 1.4.0


Currently, the {{flink-avro}} project is a shell with some tests and mostly duplicate and dead code. The classes that use Avro are distributed quite wildly through the code base, and introduce multiple direct dependencies on Avro in a messy way.

We should move all Avro related classes to {{flink-avro}}, and give {{flink-avro}} a dependency on {{flink-core}} and {{flink-streaming-java}}.

  - {{AvroTypeInfo}}
  - {{AvroSerializer}}
  - {{AvroRowSerializationSchema}}
  - {{AvroRowDeserializationSchema}}

To be able to move the the avro serialization code from {{flink-ore}} to {{flink-avro}}, we need to load the {{AvroTypeInformation}} reflectively, similar to how we load the {{WritableTypeInfo}} for Hadoop.



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