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https://issues.apache.org/jira/browse/NIFI-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15434923#comment-15434923
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Matt Burgess commented on NIFI-2641:
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Proposed solution is to add maxvalue.* attributes to outgoing flow files. The
suffix of each attribute corresponds to a column specified in the "Max Value
Columns" property, and its value is the observed maximum value stored in the
processor's state after the query has executed.
> Add max values as attributes in QueryDatabaseTable
> ---------------------------------------------------
>
> Key: NIFI-2641
> URL: https://issues.apache.org/jira/browse/NIFI-2641
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Minor
>
> The observed maximum values for the specified columns in QueryDatabaseTable
> are stored in the processor's State for use by the processor. However it may
> be helpful to have those values available to the user via attributes on the
> flow file(s) generated by the processor.
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