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Posted to commits@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2015/12/11 17:08:11 UTC

[jira] [Created] (NIFI-1280) Create FilterCSVColumns Processor

Mark Payne created NIFI-1280:
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             Summary: Create FilterCSVColumns Processor
                 Key: NIFI-1280
                 URL: https://issues.apache.org/jira/browse/NIFI-1280
             Project: Apache NiFi
          Issue Type: Task
          Components: Extensions
            Reporter: Mark Payne


We should have a Processor that allows users to easily filter out specific columns from CSV data. For instance, a user would configure two different properties: "Columns of Interest" (a comma-separated list of column indexes) and "Filtering Strategy" (Keep Only These Columns, Remove Only These Columns).

We can do this today with ReplaceText, but it is far more difficult than it would be with this Processor, as the user has to use Regular Expressions, etc. with ReplaceText.

Eventually a Custom UI could even be built that allows a user to upload a Sample CSV and choose which columns from there, similar to the way that Excel works when importing CSV by dragging and selecting the desired columns? That would certainly be a larger undertaking and would not need to be done for an initial implementation.



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