Sub Docs Finding a sub-document Adding sub-docs to arrays Removing subdocs Alternate declaration syntax for arrays Next Up Sub Docs Subdocuments are documents embedded in ...

Transactions in Mongoose Getting Started with Transactions With Mongoose Documents and save() With the Aggregation Framework Advanced Usage Transactions in Mongoose Trans...

FAQ FAQ Q . Why don’t my changes to arrays get saved when I update an element directly? doc . array [ 3 ] = 'changed' ; doc . save (); A . Mongoose doesn’t create get...

Mongoose.prototype.set() Parameters Example: Currently supported options are Mongoose.prototype.set() Parameters key «String» value «String|Function|Boolean» Sets mongo...

Mongoose 3.6 Release Notes Population Added Model.populate(docs, opts, cb) Query.populate now accepts an options object Added document.populate(opts | path, [cb]) Added document...

Populate Saving refs Population Setting Populated Fields Checking Whether a Field is Populated What If There’s No Foreign Document? Field Selection Populating Multiple Paths ...

Middleware Types of Middleware Pre Use Cases Errors in Pre Hooks Post middleware Asynchronous Post Hooks Define Middleware Before Compiling Models Save/Validate Hooks Namin...

Promises Built-in Promises Queries are not promises Queries are thenable Should You Use exec() With await ? Plugging in your own Promises Library Promises Built-in Prom...

Populate Saving refs Population Setting Populated Fields Checking Whether a Field is Populated What If There’s No Foreign Document? Field Selection Populating Multiple Paths ...

SchemaType.prototype.immutable() Parameters Returns: Example: Example: SchemaType.prototype.immutable() Parameters bool «Boolean» Returns: «SchemaType» this Define...