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https://issues.apache.org/jira/browse/BEAM-7886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16976961#comment-16976961
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Brian Hulette commented on BEAM-7886:
-------------------------------------

I don't think we have a jira for it yet.

The way it works in Java is that every logical type needs to have a base type, 
and there's some well known way to convert between the logical type and the 
base type (e.g. timestamp would be converted to int64 millis since the epoch 
and encoded with varint coder). Java also currently has some support for 
Java-only logical types that rely on putting a serialized class in the pipeline 
graph, but I'd like to move away from that.



> Make row coder a standard coder and implement in python
> -------------------------------------------------------
>
>                 Key: BEAM-7886
>                 URL: https://issues.apache.org/jira/browse/BEAM-7886
>             Project: Beam
>          Issue Type: Improvement
>          Components: beam-model, sdk-java-core, sdk-py-core
>            Reporter: Brian Hulette
>            Assignee: Brian Hulette
>            Priority: Major
>          Time Spent: 16h
>  Remaining Estimate: 0h
>




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