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https://issues.apache.org/jira/browse/NIFI-8137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17357355#comment-17357355
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ASF subversion and git services commented on NIFI-8137:
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Commit bc5204d4df8017cbde5f2d050d466cdb04e7f969 in nifi's branch
refs/heads/main from Chris Sampson
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=bc5204d ]
NIFI-8137 Record Path EscapeJson/UnescapeJson functions (#4756)
* NIFI-8137 Record Path EscapeJson/UnescapeJson functions
* Correct jackson-databind dependency version
* Add negative tests for RecordPath JSON handling; rename RecordPath JSON
classes to better match existing functions
Signed-off-by: Otto Fowler <[email protected]>
This closes #4756.
> Record Path functions to un/escape JSON
> ---------------------------------------
>
> Key: NIFI-8137
> URL: https://issues.apache.org/jira/browse/NIFI-8137
> Project: Apache NiFi
> Issue Type: Improvement
> Affects Versions: 1.11.4
> Reporter: Chris Sampson
> Assignee: Chris Sampson
> Priority: Major
> Attachments: Record_Path_JSON.json
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Record Path functions to:
> * unescape JSON contained within a String field and put the resulting Record
> fields into the data, e.g. UpdateRecord for {{/}} =>
> {{unescapeJson(/stringified_json)}} would unescape JSON String in
> {{/stringified_json}} and put the resulting Object fields into the top-level
> of the Record
> * collect one or more Record fields into an Object that is put into a single
> stringified JSON field, e.g. UpdateRecord for {{/stringified_json}} =>
> {{escapeJson( / )}} would do the reverse of the above
> These would be equivalent to the existing Expression Language functions, but
> mean there was no need to split records into individual flowfiles, extract
> the field from the content into an attribute, unescape the JSON then replace
> the text back into the content and re-merge all the records (which is fidly
> and resource expensive).
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