mongodb bucket with paging query
db.history.updateOne({ "_id": /^7000000_/, "count": { $lt: 1000 } }, { "$push": { "history": { "type": "buy", "ticker": "MDB", "qty": 25, "date": ISODate("2018-11-02T11:43:10") } }, "$inc": { "count": 1 }, "$setOnInsert": { "_id": "7000000_1541184190" } }, { upsert: true })