db={"distributors":[{"uid":"d1","name":"Distributor 1",/** more attributes here*/"children":[{"name":"Country 1",/** more attributes here*/"children":[{"name":"City 1",/** more attributes here*/"children":[{"name":"Shop 1",/** more attributes here*/"children":[{"name":"Fruit 1",/** more attributes here*/"child":"f1"}]}]}]}]}],"fruits":[{"uid":"f1","name":"Fruit 1 Detail","variants":[{"uid":"v1","name":"Variant 1","tools":["t1","t2"]},{"uid":"v2","name":"Variant 2","tools":["t3","t4"]}]},{"uid":"f2","name":"Fruit 2 Detail","variants":[{"uid":"v1","name":"Variant 1","tools":["t1","t2"]},{"uid":"v2","name":"Variant 2","tools":["t3","t4"]}]}],"tools":[{"uid":"t1","name":"Tool 1"},{"uid":"t2","name":"Tool 2"},{"uid":"t3","name":"Tool 3"},{"uid":"t4","name":"Tool 4"}]}

db.distributors.aggregate([{"$match":{"uid":"d1"}}])