Matt Burgess created NIFI-4853:
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Summary: PutMongoRecord doesn't handle nested records
Key: NIFI-4853
URL: https://issues.apache.org/jira/browse/NIFI-4853
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Matt Burgess
PutMongoRecord works well with flat records, but when attempting to put in
nested records (records whose fields are arrays or records themselves), the
Mongo serializer doesn't know how to handle the complex NiFi record field types
(such as MapRecord).
The fix is to traverse all fields in the record, transforming the fields (if
necessary) to Java objects for use by the Mongo serializer(s). Something very
similar was done for PutDruidRecord, and in fact there is a utility method
DataTypeUtils.convertRecordFieldtoObject() that can perform this task.
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