Node.js Mongodb integration Delete multiple documents
Example
Delete ALL documents with a 'farewell' property set to 'okay'.
const MongoClient = require('mongodb').MongoClient;
const url = 'mongodb://localhost:27017/test';
MongoClient.connect(url, function (err, db) {
if (err) throw new Error(err);
db.collection('myCollection').deleteMany(// MongoDB delete method 'deleteMany'
{ farewell: "okay" }, // Delete ALL documents with the property 'farewell: okay'
function (err, result) {
if (err) throw new Error(err);
db.close(); // Don't forget to close the connection when you are done
});
});
Collection method deleteMany()
db.collection(collection).deleteMany(filter, options, callback)
| Parameter | Type | Description |
|---|---|---|
filter | document | A document specifying the selection critera |
options | object | (optional) Optional settings (default: null) |
callback | function | Function to be called when the operation is done |
The callback function takes two arguments
err: Error - If an error occurs the err argument will be defineddb: object - The MongoDB instance
