[jira] [Commented] (NIFI-10865) Allow UpdateRecord to replace root fields with RecordPath unescapeJson output

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-10865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17637460#comment-17637460 ] 

ASF subversion and git services commented on NIFI-10865:
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Commit bf5fdaf5022e6f4f547fc782c1ee6fbde08fe108 in nifi's branch refs/heads/NIFI-10865 from Chris Sampson
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=bf5fdaf502 ]

NIFI-10865 allow RecordPath's unescapeJson to convert de-serialised JSON Objects into Records

NIFI-10865 allow UpdateRecord to replace the Record root for relative paths, e.g. when a RecordPath function is used to modify selected field(s)


> Allow UpdateRecord to replace root fields with RecordPath unescapeJson output
> -----------------------------------------------------------------------------
>
>                 Key: NIFI-10865
>                 URL: https://issues.apache.org/jira/browse/NIFI-10865
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.18.0
>            Reporter: Chris Sampson
>            Assignee: Chris Sampson
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{UpdateRecord}} currently cannot replace the root of a Record with the output of the {{unescapeJson}} RecordPath function.
> While a child Record within a Record can be "moved" to the top-level, e.g. {{/ => /child}}, this doesn't work if the RecordPath function is used, e.g. {{/ => unescapeJson(/stringified_child)}}.
> Rather than replacing the Record content with the output of the {{unescapeJson}} function, a {{root}} field is added to the input Record (i.e. with the name {{root}})) and the de-stringified content of the selected field(s) serialised in {{Map}} format.



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