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https://issues.apache.org/jira/browse/NIFI-5903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766501#comment-16766501
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ASF subversion and git services commented on NIFI-5903:
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Commit 82a0434901c9c7d2f507f57f177073c3a18a30d4 in nifi's branch
refs/heads/master from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=82a0434 ]
NIFI-5903: Allow RecordPath to be used in QueryRecord processor. Also some code
cleanup and improvements to the docs
NIFI-5903: Removed TODO comments that were done
NIFI-5903: Added support for working with MAP types to QueryRecord and
associated RPATH functions
Signed-off-by: Matthew Burgess <[email protected]>
This closes #3223
> Allow RecordPath to be used in order to access nested fields within
> QueryRecord
> -------------------------------------------------------------------------------
>
> Key: NIFI-5903
> URL: https://issues.apache.org/jira/browse/NIFI-5903
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.9.0
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> QueryRecord is an immensely powerful tool when evaluating "flat" data such as
> CSV or flattened JSON. However, when evaluating data that has a lot of nested
> elements, it loses a lot of its power quickly because there is no way to
> query those nested elements. We should enable users to use RecordPath to pull
> out particular fields of a Record so that we can write queries like:
> {{SELECT *}}
> {{FROM FLOWFILE}}
> {{WHERE RPATH(organization, '/department/name') = 'Research and Engineering'}}
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