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https://issues.apache.org/jira/browse/NIFI-1123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008075#comment-15008075
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ASF GitHub Bot commented on NIFI-1123:
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Github user jskora commented on the pull request:
https://github.com/apache/nifi/pull/116#issuecomment-157272302
@trkurc, this is not a problem fix but an enhancement based on discussion
that occurred on [NIFI-641|https://issues.apache.org/jira/browse/NIFI-641]. It
seemed easy enough, but the validation issues probably out weigh the value.
Postponing until [NIFI-813|https://issues.apache.org/jira/browse/NIFI-813]
provides a means to handle potential errors, but if mixing Regex and Expression
Language can only be handled with a Failure relationships, maybe it's better to
not mix the them and allow separate properties so the Regex can be validated
and the EL expression can produce a list of attributes that can be ignored if
they don't exist. Thoughts?
until they can be added without adding risk.
> Extend the "Delete Attributes Expression" to support Expression Language
> ------------------------------------------------------------------------
>
> Key: NIFI-1123
> URL: https://issues.apache.org/jira/browse/NIFI-1123
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Joe Skora
> Assignee: Joe Skora
> Priority: Minor
> Labels: easyfix, features, patch
>
> Allow the "Delete Attributes Expression" to accept Expression Language to
> dynamically produce the regular expression to identify attributes to be
> deleted per discussion on
> [NIFI-641|https://issues.apache.org/jira/browse/NIFI-641].
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