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@@ -1,23 +1,24 @@
[![npm](https://nodei.co/npm/mongodb.png?downloads=true&downloadRank=true)](https://nodei.co/npm/mongodb/) [![npm](https://nodei.co/npm-dl/mongodb.png?months=6&height=3)](https://nodei.co/npm/mongodb/)
# MongoDB NodeJS Driver
[![Build Status](https://secure.travis-ci.org/mongodb/node-mongodb-native.svg?branch=2.1)](http://travis-ci.org/mongodb/node-mongodb-native)
[![Coverage Status](https://coveralls.io/repos/github/mongodb/node-mongodb-native/badge.svg?branch=2.1)](https://coveralls.io/github/mongodb/node-mongodb-native?branch=2.1)
[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/mongodb/node-mongodb-native?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
[![npm](https://nodei.co/npm/mongodb.png?downloads=true&downloadRank=true)](https://nodei.co/npm/mongodb/)
# Description
The official [MongoDB](https://www.mongodb.com/) driver for Node.js.
The official [MongoDB](https://www.mongodb.com/) driver for Node.js. Provides a high-level API on top of [mongodb-core](https://www.npmjs.com/package/mongodb-core) that is meant for end users.
**NOTE: v3.x released with breaking API changes. You can find a list of changes [here](CHANGES_3.0.0.md).**
**NOTE: v3.x was recently released with breaking API changes. You can find a list of changes [here](CHANGES_3.0.0.md).**
## Version 4.0
## MongoDB Node.JS Driver
**Looking for the latest?** We're working on the next major version of the driver, now in beta.
Check out our [beta version 4.0 here](https://github.com/mongodb/node-mongodb-native/tree/4.0), which includes a full migration of the driver to TypeScript.
| what | where |
|---------------|------------------------------------------------|
| documentation | http://mongodb.github.io/node-mongodb-native |
| api-doc | http://mongodb.github.io/node-mongodb-native/3.1/api |
| source | https://github.com/mongodb/node-mongodb-native |
| mongodb | http://www.mongodb.org |
## Quick Links
| what | where |
| ------------- | ---------------------------------------------------- |
| documentation | https://mongodb.github.io/node-mongodb-native |
| api-doc | https://mongodb.github.io/node-mongodb-native/3.6/api |
| source | https://github.com/mongodb/node-mongodb-native |
| mongodb | https://www.mongodb.org |
### Bugs / Feature Requests
@@ -43,12 +44,12 @@ Change history can be found in [`HISTORY.md`](HISTORY.md).
For version compatibility matrices, please refer to the following links:
* [MongoDB](https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#reference-compatibility-mongodb-node)
* [NodeJS](https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#reference-compatibility-language-node)
- [MongoDB](https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#reference-compatibility-mongodb-node)
- [NodeJS](https://docs.mongodb.com/ecosystem/drivers/driver-compatibility-reference/#reference-compatibility-language-node)
# Installation
## Installation
The recommended way to get started using the Node.js 3.0 driver is by using the `npm` (Node Package Manager) to install the dependency in your project.
The recommended way to get started using the Node.js driver is by using `npm` (Node Package Manager) to install the dependency in your project.
## MongoDB Driver
@@ -66,10 +67,10 @@ You can also use the [Yarn](https://yarnpkg.com/en) package manager.
The MongoDB driver depends on several other packages. These are:
* [mongodb-core](https://github.com/mongodb-js/mongodb-core)
* [bson](https://github.com/mongodb/js-bson)
* [kerberos](https://github.com/mongodb-js/kerberos)
* [node-gyp](https://github.com/nodejs/node-gyp)
- [bson](https://github.com/mongodb/js-bson)
- [bson-ext](https://github.com/mongodb-js/bson-ext)
- [kerberos](https://github.com/mongodb-js/kerberos)
- [mongodb-client-encryption](https://github.com/mongodb/libmongocrypt#readme)
The `kerberos` package is a C++ extension that requires a build environment to be installed on your system. You must be able to build Node.js itself in order to compile and install the `kerberos` module. Furthermore, the `kerberos` module requires the MIT Kerberos package to correctly compile on UNIX operating systems. Consult your UNIX operation system package manager for what libraries to install.
@@ -110,9 +111,9 @@ This will print out all the steps npm is performing while trying to install the
A compiler tool chain known to work for compiling `kerberos` on Windows is the following.
* Visual Studio C++ 2010 (do not use higher versions)
* Windows 7 64bit SDK
* Python 2.7 or higher
- Visual Studio C++ 2010 (do not use higher versions)
- Windows 7 64bit SDK
- Python 2.7 or higher
Open the Visual Studio command prompt. Ensure `node.exe` is in your path and install `node-gyp`.
@@ -170,7 +171,7 @@ For complete MongoDB installation instructions, see [the manual](https://docs.mo
1. Download the right MongoDB version from [MongoDB](https://www.mongodb.org/downloads)
2. Create a database directory (in this case under **/data**).
3. Install and start a ``mongod`` process.
3. Install and start a `mongod` process.
```bash
mongod --dbpath=/data
@@ -194,11 +195,11 @@ const url = 'mongodb://localhost:27017';
// Database Name
const dbName = 'myproject';
const client = new MongoClient(url);
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
client.connect(function(err) {
assert.equal(null, err);
console.log("Connected successfully to server");
console.log('Connected successfully to server');
const db = client.db(dbName);
@@ -224,23 +225,21 @@ const insertDocuments = function(db, callback) {
// Get the documents collection
const collection = db.collection('documents');
// Insert some documents
collection.insertMany([
{a : 1}, {a : 2}, {a : 3}
], function(err, result) {
collection.insertMany([{ a: 1 }, { a: 2 }, { a: 3 }], function(err, result) {
assert.equal(err, null);
assert.equal(3, result.result.n);
assert.equal(3, result.ops.length);
console.log("Inserted 3 documents into the collection");
console.log('Inserted 3 documents into the collection');
callback(result);
});
}
};
```
The **insert** command returns an object with the following fields:
* **result** Contains the result document from MongoDB
* **ops** Contains the documents inserted with added **_id** fields
* **connection** Contains the connection used to perform the insert
- **result** Contains the result document from MongoDB
- **ops** Contains the documents inserted with added **\_id** fields
- **connection** Contains the connection used to perform the insert
Add the following code to call the **insertDocuments** function:
@@ -257,7 +256,7 @@ const dbName = 'myproject';
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
assert.equal(null, err);
console.log("Connected successfully to server");
console.log('Connected successfully to server');
const db = client.db(dbName);
@@ -291,11 +290,11 @@ const findDocuments = function(db, callback) {
// Find some documents
collection.find({}).toArray(function(err, docs) {
assert.equal(err, null);
console.log("Found the following records");
console.log(docs)
console.log('Found the following records');
console.log(docs);
callback(docs);
});
}
};
```
This query returns all the documents in the **documents** collection. Add the **findDocument** method to the **MongoClient.connect** callback:
@@ -313,7 +312,7 @@ const dbName = 'myproject';
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
assert.equal(null, err);
console.log("Connected correctly to server");
console.log('Connected correctly to server');
const db = client.db(dbName);
@@ -334,16 +333,16 @@ const findDocuments = function(db, callback) {
// Get the documents collection
const collection = db.collection('documents');
// Find some documents
collection.find({'a': 3}).toArray(function(err, docs) {
collection.find({ a: 3 }).toArray(function(err, docs) {
assert.equal(err, null);
console.log("Found the following records");
console.log('Found the following records');
console.log(docs);
callback(docs);
});
}
};
```
Only the documents which match ``'a' : 3`` should be returned.
Only the documents which match `'a' : 3` should be returned.
### Update a document
@@ -354,14 +353,13 @@ const updateDocument = function(db, callback) {
// Get the documents collection
const collection = db.collection('documents');
// Update document where a is 2, set b equal to 1
collection.updateOne({ a : 2 }
, { $set: { b : 1 } }, function(err, result) {
collection.updateOne({ a: 2 }, { $set: { b: 1 } }, function(err, result) {
assert.equal(err, null);
assert.equal(1, result.result.n);
console.log("Updated the document with the field a equal to 2");
console.log('Updated the document with the field a equal to 2');
callback(result);
});
}
};
```
The method updates the first document where the field **a** is equal to **2** by adding a new field **b** to the document set to **1**. Next, update the callback function from **MongoClient.connect** to include the update method.
@@ -379,7 +377,7 @@ const dbName = 'myproject';
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
assert.equal(null, err);
console.log("Connected successfully to server");
console.log('Connected successfully to server');
const db = client.db(dbName);
@@ -400,13 +398,13 @@ const removeDocument = function(db, callback) {
// Get the documents collection
const collection = db.collection('documents');
// Delete document where a is 3
collection.deleteOne({ a : 3 }, function(err, result) {
collection.deleteOne({ a: 3 }, function(err, result) {
assert.equal(err, null);
assert.equal(1, result.result.n);
console.log("Removed the document with the field a equal to 3");
console.log('Removed the document with the field a equal to 3');
callback(result);
});
}
};
```
Add the new method to the **MongoClient.connect** callback function.
@@ -424,7 +422,7 @@ const dbName = 'myproject';
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
assert.equal(null, err);
console.log("Connected successfully to server");
console.log('Connected successfully to server');
const db = client.db(dbName);
@@ -446,18 +444,14 @@ performance. The following function creates an index on the **a** field in the
```js
const indexCollection = function(db, callback) {
db.collection('documents').createIndex(
{ "a": 1 },
null,
function(err, results) {
console.log(results);
callback();
}
);
db.collection('documents').createIndex({ a: 1 }, null, function(err, results) {
console.log(results);
callback();
});
};
```
Add the ``indexCollection`` method to your app:
Add the `indexCollection` method to your app:
```js
const MongoClient = require('mongodb').MongoClient;
@@ -471,7 +465,7 @@ const dbName = 'myproject';
// Use connect method to connect to the server
MongoClient.connect(url, function(err, client) {
assert.equal(null, err);
console.log("Connected successfully to server");
console.log('Connected successfully to server');
const db = client.db(dbName);
@@ -487,13 +481,13 @@ For more detailed information, see the [tutorials](docs/reference/content/tutori
## Next Steps
* [MongoDB Documentation](http://mongodb.org)
* [Read about Schemas](http://learnmongodbthehardway.com)
* [Star us on GitHub](https://github.com/mongodb/node-mongodb-native)
- [MongoDB Documentation](https://mongodb.org)
- [Read about Schemas](http://learnmongodbthehardway.com)
- [Star us on GitHub](https://github.com/mongodb/node-mongodb-native)
## License
[Apache 2.0](LICENSE.md)
© 2009-2012 Christian Amor Kvalheim
© 2009-2012 Christian Amor Kvalheim
© 2012-present MongoDB [Contributors](CONTRIBUTORS.md)