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https://issues.apache.org/jira/browse/NIFI-6082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781818#comment-16781818
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Matt Burgess commented on NIFI-6082:
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Yeah we may need to somehow specify the lookup value column/field in
LookupAttribute, so you can do multiple lookups at once. Unless I'm missing how
that processor works. In the meantime I'll add a SimpleDatabaseLookupService
and we can go from there (probably in a separate Jira as it involves interface
changes).
> Create a Database LookupService
> -------------------------------
>
> Key: NIFI-6082
> URL: https://issues.apache.org/jira/browse/NIFI-6082
> Project: Apache NiFi
> Issue Type: New Feature
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The contribution for NIFI-3404 was originally intended to include a
> DatabaseLookupService, but due to various reasons it was excluded from the
> final PR that was merged.
> This Jira proposes to add a DatabaseLookupService controller service, where
> values can be retrieved from an external RDBMS (through the use of a
> DBCPService). Design considerations include which key(s) to accept, whether
> to locally cache no/some/all queries, result sets, etc. The major requirement
> is to be able to enrich record-based flow file values (via LookupRecord) from
> an external RDBMS source.
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