⬆️ Bump mongodb from 4.6.0 to 4.7.0 in /server

[dependabot[bot]]

Bumps mongodb from 4.6.0 to 4.7.0.

Release notes

Sourced from mongodb's releases.

v4.7.0

The MongoDB Node.js team is pleased to announce version 4.7.0 of the mongodb package! Happy MongoDB World Day!

Release Highlights

Support for ZSTD Compression

zstd compression is now supported by the NodeJS driver. To enable zstd compression, add it as a dependency in your project: npm install –save @mongodb-js/zstd. The add the option to your URI options: mongodb://host:port/db?compressors=zstd.

Improved Connection Storm Avoidance

The Node driver has improved connection storm avoidance by limiting the number of connections that the driver will attempt to open to each server at a time. The number of concurrent connection attempts is set to 2 by default, but can be configured with a new MongoClient argument, maxConnecting. The following code example creates a new MongoClient that configures maxConnecting to 5.

const client = new MongoClient('MONGODB_URL', { maxConnecting: 5 });

Expanded Change Stream Events

The collection.watch function now supports a new option, showExpandedEvents. When showExpandedEvents is enabled, change streams will report the following events on servers 6.0 and later:

• createIndexes
• dropIndexes
• modify
• create
• shardCollection

On servers 6.1.0 and later, showExpandedEvents will also show change stream events for the following commands:

• reshardCollection
• refineCollectionShardKey

As an example, the following code creates a change stream that has expanded events enabled on a collection:

const client = new MongoClient('MONGODB_URL');
await client.connect();
const collection = client.db('example-db').collection('example-collection');
const changeStream = collection.watch([], { showExpandedEvents: true });

Change Stream Support of Pre/Post Images

Change streams now support pre and post images for update events. To enable pre and post images, the collection must be created with the changeStreamPreAndPostImages option enabled:

const collection = await db.createCollection(‘collectionName’, { changeStreamPreAndPostImages: { enabled: true }} )

... (truncated)

Changelog

Sourced from mongodb's changelog.

4.7.0 (2022-06-06)

Features

• NODE-1837: add zstd compression option (#3237) (1261432)
• NODE-2993: implement maxConnecting (#3255) (c9d3816)
• NODE-3750: make maxConnecting configurable (#3261) (ee41447)
• NODE-3938: Add support for pre/post images in change streams (#3250) (981465c)
• NODE-4079: estimated document count uses count (#3244) (a752e75)
• NODE-4081: fix and deprecate change stream resume options (#3270) (47adfb3)
• NODE-4139: streaming protocol message changes (#3256) (4b9ad77)
• NODE-4192: make MongoClient.connect optional (#3232) (a2359e4)
• NODE-4196: add support for showExpandedEvents in change streams (#3254) (9c1782e)
• NODE-4229: bump maxWireVersion to 17 (#3265) (d13cec2)

Bug Fixes

• NODE-4103: respect BSON options when creating change streams (#3247) (b2798d9)
• NODE-4108: improve return type for withTransaction() (#3236) (48e0e6e)
• NODE-4254: allow csfle to be dynamically required (#3260) (cd6b5a0)
• NODE-4281: ensure that the driver always uses Node.js timers (#3275) (4501a1c)

Commits

• 1cc2c4b chore(release): 4.7.0
• c8362eb test: resumability for change stream unified tests (#3282)
• 9c1782e feat(NODE-4196): add support for showExpandedEvents in change streams (#3254)
• ed50ef5 test(NODE-4262): simplify leak checker for startSession fixes (#3281)
• 0936b58 chore: skip failing TS version (#3285)
• 7a5d2f5 chore: add generated docs files to release commit (#3283)
• 6cae4b4 test(NODE-4270): convert command monitoring tests to unified format (#3276)
• f8e7301 chore(NODE-4285): rename csfle shared library references (#3280)
• 4501a1c fix(NODE-4281): ensure that the driver always uses Node.js timers (#3275)
• 47adfb3 feat(NODE-4081): fix and deprecate change stream resume options (#3270)
• Additional commits viewable in compare view

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Superseded by #72.