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Posted to issues@nifi.apache.org by "Matt Burgess (Jira)" <ji...@apache.org> on 2022/03/17 19:40:00 UTC

[jira] [Created] (NIFI-9814) Add range sampling to SampleRecord

Matt Burgess created NIFI-9814:
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             Summary: Add range sampling to SampleRecord
                 Key: NIFI-9814
                 URL: https://issues.apache.org/jira/browse/NIFI-9814
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
            Reporter: Matt Burgess


It would be nice to be able to specify exactly which records or ranges of records are sampled from a FlowFile. For example if the first 5 lines of a comma-delimited file are free-text (meaning it's not technically a CSV file from NiFi's perspective as the first 5 lines do not constitute a header in this example), it would be handy to be able to exclude them by specifying a range filter of "6-" to say the 6th and every following record should be output.

In that vein SampleRecord could have a "range sampling" strategy where the user could specify something like "2, 5-7, 25-" where the second, fifth, sixth, seventh, and every record from the twenty-fifth record on would be included in the outgoing flow file.



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