mongodb updatefind one example
Example 1: mongofindoneandupate
try {
db.grades.findOneAndUpdate(
{ "name" : "A.B. Abracus" },
{ $set: { "name" : "A.B. Abracus", "assignment" : 5}, $inc : { "points" : 5 } },
{ sort: { "points" : 1 }, upsert:true, returnNewDocument : true }
);
}
catch (e){
print(e);
}
Example 2: returned value by findOneAndUpdate
const filter = { age: 17 };
const doc = { $set: { name: "Naomi" } };
const options = { new: true };
Cat.findOneAndUpdate(filter, doc, options, (err, doc) => {
if (err) console.log("Something wrong when updating data!");
console.log(doc);
});