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https://issues.apache.org/jira/browse/NIFI-4190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17303360#comment-17303360
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ROGIER TIMMERMANS commented on NIFI-4190:
-----------------------------------------
This would make things like this a lot more practical when finding/extracting
data:
Using XQuery/XPath (or their equivalent Json variants) processor:
//*[contains(@Name,${attribute})]
> Expression Language support in EvaluateXPath
> --------------------------------------------
>
> Key: NIFI-4190
> URL: https://issues.apache.org/jira/browse/NIFI-4190
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.3.0
> Reporter: Claudiu Stanciu
> Priority: Major
> Labels: xml
>
> As a user, I would like support for Expression Language in the EvaluateXPath
> processor.
> This would be a nice modification as it would allow passing of XPaths from
> attributes or content, and would permit more generic flows/templates.
> As discussed in
> http://apache-nifi-developer-list.39713.n7.nabble.com/Expression-language-support-in-EvaluateXPath-td16441.html,
> ideally we want to keep the actual performances for the case when we don't
> use expression language, and we compile expressions at trigger time only
> where expression languages are used.
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