Jark Wu created FLINK-18824:
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Summary: 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
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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