Flatten

Description

Flatten a nested data structure, generating names for each field by concatenating the field names at each level with a configurable delimiter character. Applies to Struct when schema present, or a Map in the case of schemaless data. The default delimiter is ..

Use the concrete transformation type designed for the record key (org.apache.kafka.connect.transforms.Flatten$Key) or value (org.apache.kafka.connect.transforms.Flatten$Value).

Properties

Name Description Type Default Valid Values Importance
delimiter Delimiter to insert between field names from the input record when generating field names for the output record. string .   medium