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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2018/11/15 11:12:00 UTC

[jira] [Updated] (FLINK-10897) Support POJO state schema evolution

     [ https://issues.apache.org/jira/browse/FLINK-10897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai updated FLINK-10897:
----------------------------------------
    Description: 
Main action point for this is to implement a separate POJO serializer that is specifically used as the restore serializer.

This restore POJO serializer should be able to read and dump values of fields that no longer exists in the updated POJO schema, and assign default values to newly added fields. Changing fields types is out of scope and should not be supported.

  was:
Main action point for this is to implement a separate POJO serializer that is specifically used as the restore serializer.

This restore POJO serializer should be able to read and dump values of fields that no longer exists in the updated POJO schema, and assign default values to newly added fields. Changing fields types is out of scope and would not be supported.


> Support POJO state schema evolution
> -----------------------------------
>
>                 Key: FLINK-10897
>                 URL: https://issues.apache.org/jira/browse/FLINK-10897
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Type Serialization System
>            Reporter: Tzu-Li (Gordon) Tai
>            Priority: Major
>
> Main action point for this is to implement a separate POJO serializer that is specifically used as the restore serializer.
> This restore POJO serializer should be able to read and dump values of fields that no longer exists in the updated POJO schema, and assign default values to newly added fields. Changing fields types is out of scope and should not be supported.



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