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https://issues.apache.org/jira/browse/HIVE-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13575827#comment-13575827
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Jarek Jarcec Cecho commented on HIVE-4007:
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I'm +1 on the generic idea of having abstract classes instead of interfaces for
such things as Serialize/Deserialize. Abstract classes are much more flexible
for maintenance and new feature addition.
However changing existing code might not be easy as I'm anticipating that it
will introduce backward incompatibility for all existing custom SerDes that are
out there.
> 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
>
> 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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