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https://issues.apache.org/jira/browse/NIFI-4800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393219#comment-16393219
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Deon Huang commented on NIFI-4800:
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Hi Alois,
I've encountered some problem with json array flatten requirement.
Just take a look at source code and flatten library wnameless json-flattener.
It's great to have all 3 modes expose to users as configurable property.
I would like to work on this improvement and will submit a pull request in few
days.
Please let me know if there is any problem.
Thanks.
> Expose the flattenMode as property in FlattenJSON processor
> -----------------------------------------------------------
>
> Key: NIFI-4800
> URL: https://issues.apache.org/jira/browse/NIFI-4800
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.5.0
> Reporter: Alois Gruber
> Priority: Trivial
>
> the flattening class supports 3 different modes, which cannot be selected in
> the processor. Especially the flattening of arrays would be helpful
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