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https://issues.apache.org/jira/browse/NIFI-3946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16018031#comment-16018031
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Mark Payne commented on NIFI-3946:
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[~jfrazee][~joewitt] - I attached a PR that I think can illustrate how I think
we should handle this. It still allows easily for a key/value type of approach,
I think... Take a look and see what you think?
> Should update LookupRecord to allow multi criteria lookups
> ----------------------------------------------------------
>
> Key: NIFI-3946
> URL: https://issues.apache.org/jira/browse/NIFI-3946
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Joseph Witt
> Assignee: Mark Payne
>
> At present the LookupRecord processor allows a single criteria lookup.
> We need to provide a lookup API which takes a map of string key/values that a
> given lookup can use when searching for the result. The LookupRecord
> processor should change such that all dynamic properties are the loookup key
> names with values that are the RecordPath to find the value for that given
> key. The resulting map would be passed to the lookup service. Also the lookup
> service API should allow returning the set of required key names so that the
> processor can validate once all required keys have RecordPaths to search for
> values.
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