[{name:"Apple",weight:"100g",color:"red",other_data:{havested_by:"Jhone",havested_from:"Rileys Farm",city:"Oak Glen, California",country:"USA"}}]

db.collection.update({other_data:{$exists:true}},[{$set:{havested_by:"$other_data.havested_by",havested_from:"$other_data.havested_from",city:"$other_data.city",country:"$other_data.country"}},{$unset:"other_data"}],{multi:true})