[jira] [Comment Edited] (FLINK-24554) Support metadata columns for format-json

["Jark Wu (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-24554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17429208#comment-17429208 ] 

Jark Wu edited comment on FLINK-24554 at 10/15/21, 9:30 AM:
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From my knowledge, there is no metadata information for JSON data, because all the JSON fields can be mapped to Flink physical columns. I will close this issue for now. Please feel free to reopen it when you have concrete metadata to add, [~wangminchao].


was (Author: jark):
From my knowledge, there is no metadata information for JSON data, because all the JSON fields can be reflected to Flink physical columns. I will close this issue for now. Please feel free to reopen it when you have concrete metadata to add, [~wangminchao].

> Support metadata columns for format-json
> ----------------------------------------
>
>                 Key: FLINK-24554
>                 URL: https://issues.apache.org/jira/browse/FLINK-24554
>             Project: Flink
>          Issue Type: New Feature
>          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
>            Reporter: WangMinChao
>            Priority: Major
>
> * Currently, Flink-CDC already supports reading cdc RowData metadata columns  in the PR. 
> * [https://github.com/ververica/flink-cdc-connectors/pull/496]
> As users we expect this feature to be supported in the Flink branch.
>  e.g : RowKind etc...



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