Actually it would probably be best to reverse the relation and put user_id's in the event objects. Then you can do queries like this: db.events.find({hoste

Actually it would probably be best to reverse the relation and put user_id's in the event objects. Then you can do queries like this: db.events.find({hosted_by: MY_ID}) db.events.find({invited: MY_ID}) // invited is an array of users