Created
September 21, 2015 06:53
-
-
Save pietrom/b3440795dec08a2e0bca to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| db.messages.aggregate([ | |
| { $unwind: '$headers.To' }, | |
| { $group: { _id: { id: '$_id', from: '$headers.From'}, to: { $addToSet: '$headers.To' }}}, | |
| { $unwind: '$to' }, | |
| { $group: { _id: { from: '$_id.from', to: '$to'}, hits: {$sum: 1}}}, | |
| { $match: { hits: {$gt: 1} } }, | |
| { $sort: { hits: -1 }} | |
| ]); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment