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https://issues.apache.org/jira/browse/NIFI-7570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17146570#comment-17146570
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Nicolas Ambrogio commented on NIFI-7570:
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We need this!
> 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
> Priority: Major
> Labels: dynamodb, json, multiple
>
> 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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