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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2020/09/01 05:30:00 UTC

[jira] [Closed] (FLINK-18824) Support serialization for canal-json format

     [ https://issues.apache.org/jira/browse/FLINK-18824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu closed FLINK-18824.
---------------------------
    Fix Version/s: 1.12.0
       Resolution: Fixed

Implemented in master (1.12.0): 853e1906c3fe3a3931c650c5ca6965a0d460240e

> Support serialization for canal-json format
> -------------------------------------------
>
>                 Key: FLINK-18824
>                 URL: https://issues.apache.org/jira/browse/FLINK-18824
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table SQL / Ecosystem
>            Reporter: Jark Wu
>            Assignee: CaoZhen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.12.0
>
>
> Currently, canal-json format only support deserialization, but not support serialization. This is not convenient for users to writing changelogs to an message queue. 
> The serialization for canal-json can follow the json strcuture of Canal, but considering currently Flink can't combine UPDATE_BEFORE and UPDATE_AFTER into a single UPDATE message. We can encode UPDATE_BEFORE and UDPATE_AFTER as DELETE and INSERT canal messages. 



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