Web16 aug. 2012 · If you have to verify the id was a mongo generated hexadecimal string then you can use (new RegExp ("^ [0-9a-fA-F] {24}$")).test ('53fbf4615c3b9f41c381b6a3') or … Web29 apr. 2024 · Hi @nir_avraham,. Welcome to MongoDB community. I think Game.find will not result in empty string for a non found result, but rather an undifiend value or not even …
How to check if a record exists with golang and the offical mongo ...
WebThe Power of Find The most important piece of the puzzle when searching within a MongoDB collection is the simple yet flexible db.collection.find () method. With .find (), you can easily query a collection of documents, by passing a few simple parameters, and return a … WebI have a scenario where I want to find all the documents where the same value exists for different transaction ID’s. If the value exists in two documents for the same transactionID’s then it should not print those documents. Below are few sample documents. The query should print only document 1 and direct flight from sarasota to portland maine
Best way to validate an ObjectId #1959 - Github
Web2 feb. 2024 · // Check if the email is in use const existingUser = await User.findOne ( { email }).exec (); if (existingUser) { return res.status (409).send ( { message: "Email is already in use." }); } // Step 1 - Create and save the user const user = await new User ( { _id: new mongoose.Types.ObjectId, email: email Web29 apr. 2024 · For example, lets suppose I have a name and a email - I need to build a query providing the name and the email and check if, in this array, the name or the email already exists. But, I don’t want to query for exact match, i mean, i want to check if the email or the name already exists there, but both could be in separated objects. Web30 jul. 2024 · Check if value exists for a field in a MongoDB document? MongoDB Database Big Data Analytics To check if value exists for a field in a MongoDB … forum chinese scunthorpe menu