Jens M Kofoed created NIFI-15274:
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             Summary: Lookup multiple attributes
                 Key: NIFI-15274
                 URL: https://issues.apache.org/jira/browse/NIFI-15274
             Project: Apache NiFi
          Issue Type: New Feature
    Affects Versions: 2.6.0
            Reporter: Jens M Kofoed


The LookupAttribute processor allows you to lookup one key and set only one 
dynamic attribute to a value received from the lookup service.
It would be nice if it would be possible to set multiple dynamic attributes.
This request will effect both a new LookupMultipleAttribute processor but also 
the lookup services which should be able to return multiple values.
A suggestion could might be something like this:
Attribute name: keyfield - value=(keyfield in lookupservice)
Attribute name: keyvalue - value=(the value you which to find in the keyfield)

Dynamic attributes:
Dynamic attribute values could be the return fieldname from the lookup service 
eg:
myAttribute1: field_X (return value from field_X)
myAttribute2: field_Y (return value from field_Y)
myAttribute3: field_Z (return value from field_Z)



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