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https://issues.apache.org/jira/browse/AVRO-1571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664220#comment-16664220
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Vamsi Subhash Achanta commented on AVRO-1571:
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Hi all,
I have worked on this and have a working solution with patch available in other
JIRA:
https://issues.apache.org/jira/browse/AVRO-2248
Please review it. I am willing to make changes and work towards mainlining
this. Please help. Thanks
> Support parameterized types in Avro
> -----------------------------------
>
> Key: AVRO-1571
> URL: https://issues.apache.org/jira/browse/AVRO-1571
> Project: Avro
> Issue Type: Bug
> Affects Versions: 1.7.6, 1.7.7, 1.8.1
> Reporter: Sachin Goyal
> Priority: Major
> Attachments: ParameterizedTypesTest.java
>
>
> The below code cannot be serialized by Avro.
> {code}
> class Leaf <P, Q> {
> P p;
> Q q;
> }
> class Root {
> Middle1 m1;
> Middle2 m2;
> Middle3<Integer> m3;
> }
> class Middle1 {
> Leaf <Integer, Long> foo;
> }
> class Middle2 {
> Leaf <String, String> foo;
> }
> class Middle3 <P> {
> Leaf <P, P> foo;
> }
> {code}
> This is because when generating the schema, only the current class is used to
> generate the schema.
> The parent class' context is missing in ReflectData#createSchema() functions
> where the actual type-information is actually present.
> Please see the attached test too for a simpler case.
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