[jira] [Created] (NIFI-7570) Retrieve multiple JSON Document Attributes from DynamoDB

["Andy LoPresto (Jira)" <ji...@apache.org>]

Andy LoPresto created NIFI-7570:
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             Summary: Retrieve multiple JSON Document Attributes from DynamoDB
                 Key: NIFI-7570
                 URL: https://issues.apache.org/jira/browse/NIFI-7570
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: 1.11.4
            Reporter: Andy LoPresto


Multiple users have requested the ability to retrieve multiple "JSON Document Attribute" values from AWS DynamoDB. Currently, the {{GetDynamoDB}} processor only allows the retrieval of a single document attribute during invocation. 

Possible avenues to implement this include a regex for selecting multiple JSON document attributes or a comma-separated enumerated list. The destination of the data is also a concern -- currently the response becomes the flowfile content. If multiple keys are queried, perhaps a nested JSON document would be returned into the flowfile content. Or a new processor {{GetDynamoDBRecord}} could be introduced which formats the response into NiFi record elements. 

[1] https://apachenifi.slack.com/archives/C0L9UPWJZ/p1592595131207000?thread_ts=1592594850.206900&cid=C0L9UPWJZ
[2] https://apachenifi.slack.com/archives/C0L9VCD47/p1592598777338800



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