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https://issues.apache.org/jira/browse/HIVE-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611560#comment-13611560
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Namit Jain commented on HIVE-4007:
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That's OK - I think we should change the existing hive serdes (which I have).
For the custom serdes, we can take the approach you suggested.
We can add a instanceof check when we add a new method in AbstractSerdes etc.
> 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, hive.4007.3.patch,
> hive.4007.4.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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