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https://issues.apache.org/jira/browse/NIFI-5604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688616#comment-16688616
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ASF GitHub Bot commented on NIFI-5604:
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Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/3075
+1 LGTM. I tested this out with several different scenarios. After our chat
on Slack, I squashed this down to a single commit under your name to make
things cleaner.
> Allow GenerateTableFetch to send empty flow files when no rows would be
> fetched
> -------------------------------------------------------------------------------
>
> Key: NIFI-5604
> URL: https://issues.apache.org/jira/browse/NIFI-5604
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
>
> Currently, GenerateTableFetch will not output a flow file if there are no
> rows to be fetched. However, it may be desired (especially with incoming flow
> files) that a flow file be sent out even if GTF does not generate any SQL.
> This capability, along with the fragment attributes from NIFI-5601, would
> allow the user to handle this downstream.
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