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Posted to issues@flink.apache.org by "CaoZhen (Jira)" <ji...@apache.org> on 2020/08/07 09:15:00 UTC
[jira] [Commented] (FLINK-18824) Support serialization for
canal-json format
[ https://issues.apache.org/jira/browse/FLINK-18824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173007#comment-17173007 ]
CaoZhen commented on FLINK-18824:
---------------------------------
Hi, [~jark]. I want to develop this subtask, can you assign it to me?
> 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
> Priority: Major
>
> 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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