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https://issues.apache.org/jira/browse/HIVE-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581395#comment-13581395
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Jarek Jarcec Cecho commented on HIVE-4007:
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Hi Namit,
thank you very much for working on this. I've took a look on the patch and I do
have one high level question. It seems to me that we're just adding
{{AbstractSerDe}} that all {{SerDe}} implementations will extend in the future
to allow the easy extension for future functionality. But it also seems that
we're keeping the old {{SerDe}} interface implementation. Since no {{SerDe}}
should implement that directly, it seems to me that it's unnecessary piece of
code. I can imagine that it would be great to keep it around for a release or
two to provide backward compatibility and allow Hive users to migrate they
codebase without immediately breaking the environment. I would suggest to mark
this interface as {{@Deprecated}} in case that this is the intent.
Jarcec
> Create abstract classes for serializer and deserializer
> -------------------------------------------------------
>
> Key: HIVE-4007
> URL: https://issues.apache.org/jira/browse/HIVE-4007
> Project: Hive
> Issue Type: Improvement
> Components: Serializers/Deserializers
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.4007.1.patch, hive.4007.2.patch
>
>
> Currently, it is very difficult to change the Serializer/Deserializer
> interface, since all the SerDes directly implement the interface.
> Instead, we should have abstract classes for implementing these interfaces.
> In case of a interface change, only the abstract class and the relevant
> serde needs to change.
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