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https://issues.apache.org/jira/browse/FLINK-18824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173007#comment-17173007
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CaoZhen commented on FLINK-18824:
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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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