Mark Payne created NIFI-12480:
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Summary: Improve handling of embedded JSON records
Key: NIFI-12480
URL: https://issues.apache.org/jira/browse/NIFI-12480
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework, Extensions
Reporter: Mark Payne
Assignee: Mark Payne
It proves to be difficult to treat embedded JSON elements as Strings. There are
times when this is necessary, such as when pushing to a database that declares
a field of type JSON or interacting with a web service that expects incoming
JSON as a String. However, there's no easy way to do this in NiFi today.
Instead, what typically happens is that the Record gets converted to a String
via a call to {{toString()}} and that produces something like
{{{}MapRecord[name=John Doe, color=blue]{}}}, which is not helpful.
However, when a JSON Reader is used, we already have a JSON representation of
the Record in the record's SerializedForm. When {{toString()}} is called, we
should always use the SerializedForm of a Record, if it is available and only
fall back to the given version.
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