How to update if exists otherwise insert new document?

Question

How to update if exists otherwise insert new document in javascript/node.js? I am getting as parameter to function dictionary,if dictionary contains _id should update, othe

Answer 1

For python:

import pymongo

client = pymongo.MongoClient("mongodb_address")
db = client.db_name
collection = db[collection_name]

# update 'data' if 'name' exists otherwise insert new document
collection.find_one_and_update({"name": some_name},
                               {"$set": {"data": some_data}},
                               upsert=True)