[{id:2,store:"Vincenzo Pizza Tavern",bundle:"",group:"",state:"nothing",},{id:2,store:"Vincenzo Pizza Tavern",bundle:"VinnyBundle",group:"VinnyGroup",state:"waiting",},{id:4,store:"Marios",bundle:"",group:"Mario Group",state:"writing",},{id:4,store:"Marios",bundle:"Mias_Dias",group:"Mario Group",state:"waiting",},{id:5,store:"Marios",bundle:"Mias_Dias_Menu",group:"Mario Group",state:"current",}]

db.collection.aggregate([{$group:{_id:"$id",state:{$first:"$state"},store:{$first:"$store"},bundle:{$first:"$bundle"},group:{$first:"$group"},}},{$sort:{_id:1}}])