You reversed my edit on the http://www.mediawiki.org/wiki/Extension_talk:External_Data discussion page - can you .. undo that?
I spoke with Yaron Koren directly via email and the issue turned out to be extremely simple - I had an out of date version of the plugin. After resolving that, I had a legitimate question regarding the syntax of the #get_db_data requests to MongoDB. I removed the bits of the discussion that no longer applied. I'm not sure why you did this?