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https://issues.apache.org/jira/browse/FLINK-15159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16996634#comment-16996634
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Jark Wu commented on FLINK-15159:
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I'm fine to update the documentation.
> the string of json is mapped to VARCHAR or STRING?
> --------------------------------------------------
>
> Key: FLINK-15159
> URL: https://issues.apache.org/jira/browse/FLINK-15159
> Project: Flink
> Issue Type: Wish
> Components: Documentation
> Reporter: hehuiyuan
> Priority: Major
> Attachments: image-2019-12-09-21-14-08-183.png
>
>
> !image-2019-12-09-21-14-08-183.png|width=356,height=180!
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