[jira] [Commented] (NIFI-4800) Expose the flattenMode as property in FlattenJSON processor

["Deon Huang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-4800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393219#comment-16393219 ] 

Deon Huang commented on NIFI-4800:
----------------------------------

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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