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https://issues.apache.org/jira/browse/NIFI-9169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZhangCheng updated NIFI-9169:
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Issue Type: Improvement (was: Bug)
> Improvement For PutDatabaseRecord `Update Keys`, when we set sth like
> ${update.keys} but there is no 'update.keys' attribute of incoming flowfile
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-9169
> URL: https://issues.apache.org/jira/browse/NIFI-9169
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: ZhangCheng
> Assignee: ZhangCheng
> Priority: Major
>
> For NIFI, If we set some EL to one processor, such as `${schema.name}` for
> PutDatabaseREcord, and the incoming flowfile does not have a `schema.name`
> attribute, then the result of PutDatabaseRecord property evalutes is Empty
> String(""), not NULL.
> So for PutDatabaseRecord `Update Keys`, If we set ${update.keys}, but some
> flowfiles has `update.keys` attribute , some not. And we will get wrong
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