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https://issues.apache.org/jira/browse/FLINK-20926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263910#comment-17263910
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Q Kang commented on FLINK-20926:
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[~jark] `primary-key-columns` maps to `primary_key_columns` field in Maxwell,
which has exactly the same meaning as `pk-names` in Canal. Should we use
`pk-names` instead or just stick to `primary-key-columns`?
As for the extra fields, I agree with you that we just leave them for now.
> Allow to read metadata for maxwell-json format
> ----------------------------------------------
>
> Key: FLINK-20926
> URL: https://issues.apache.org/jira/browse/FLINK-20926
> Project: Flink
> Issue Type: Sub-task
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table
> SQL / API
> Reporter: Q Kang
> Assignee: Q Kang
> Priority: Major
>
> Canal-json and debezium-json metadata are already implemented. We still need
> metadata for maxwell-json to fill in the blanks for CDC formats.
>
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