Github user patricker commented on the issue: https://github.com/apache/nifi/pull/883 You absolutely could put your Smilies in to a binary field, but _before_ you send them to PutSQL you need to convert them to Binary using something like string.getBytes("UTF-8"). At that point they become plain bytes and they should load without issue. To get the flow file into Binary I would use the Base64EncodeContent processor first, then use RelaceText to move it to an attribute, and finally push it using PutSQL with the 'base64' option.
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