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https://issues.apache.org/jira/browse/NIFI-4789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344017#comment-16344017
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ASF GitHub Bot commented on NIFI-4789:
--------------------------------------
Github user charlesporter commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2411#discussion_r164562467
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ExtractGrok.java
---
@@ -156,14 +209,23 @@
final List<PropertyDescriptor> _descriptors = new ArrayList<>();
_descriptors.add(GROK_EXPRESSION);
+ _descriptors.add(EXPRESSION_SEPARATOR);
_descriptors.add(GROK_PATTERN_FILE);
_descriptors.add(DESTINATION);
_descriptors.add(CHARACTER_SET);
_descriptors.add(MAX_BUFFER_SIZE);
_descriptors.add(NAMED_CAPTURES_ONLY);
+ _descriptors.add(RESULT_PREFIX);
+ _descriptors.add(BREAK_ON_FIRST_MATCH);
+ _descriptors.add(MATCHED_EXP_ATTR);
descriptors = Collections.unmodifiableList(_descriptors);
}
+ private String resultPrefix = "";
--- End diff --
I agree I should conform to project style. will fix.
> Enhance ExtractGrok processor to handle multiple grok expressions
> -----------------------------------------------------------------
>
> Key: NIFI-4789
> URL: https://issues.apache.org/jira/browse/NIFI-4789
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Affects Versions: 1.2.0, 1.5.0
> Environment: all
> Reporter: Charles Porter
> Priority: Minor
> Labels: features
>
> Many flows require running several grok expressions against an input to
> correctly tag and extract data. using many separate grok processors to
> accomplish this is unwieldy and hard to maintain. Supporting multiple grok
> expressions delimited by comma or user selected delimiter greatly simplifies
> this.
> Feature is coded and tested, ready for pull request, if feature is approved
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