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Returns:
- «Aggregate» this
Note that the operator requires the new root to start with ‘$’. Mongoose will prepend ‘$’ if the specified field name doesn’t start with ‘$’.
Aggregate.prototype.sortByCount()
- Version Compatibility
- API
- SingleNestedPath
- Query
- Query()
- Query.prototype.center()
- Query.prototype.centerSphere()
- Query.prototype.circle()
- Query.prototype.collation()
- Query.prototype.comment()
- Query.prototype.count()
- Query.prototype.countDocuments()
- Query.prototype.cursor()
- Query.prototype.deleteMany()
- Query.prototype.deleteOne()
- Query.prototype.$where()
- Query.prototype.distinct()
- Query.prototype.elemMatch()
- Query.prototype.equals()
- Query.prototype.error()
- Query.prototype.estimatedDocumentCount()
- Query.prototype.exec()
- Query.prototype.exists()
- Query.prototype.explain()
- Query.prototype.find()
- Query.prototype.findOne()
- Query.prototype.Symbol.asyncIterator()
- Query.prototype.findOneAndDelete()
- Query.prototype.findOneAndRemove()
- Query.prototype.findOneAndReplace()
- Query.prototype.findOneAndUpdate()
- Query.prototype.geometry()
- Query.prototype.get()
- Query.prototype.getFilter()
- Query.prototype.getOptions()
- Query.prototype.getPopulatedPaths()
- Query.prototype.getQuery()
- Query.prototype.all()
- Query.prototype.getUpdate()
- Query.prototype.gt()
- Query.prototype.gte()
- Query.prototype.hint()
- Query.prototype.in()
- Query.prototype.intersects()
- This option is only valid for operations that write to the database
- Query.prototype.lean()
- Query.prototype.limit()
- Query.prototype.lt()
- Query.prototype.and()
- Query.prototype.lte()
- Query.prototype.map()
- Query.prototype.maxDistance()
- Query.prototype.maxScan()
- Query.prototype.maxTimeMS()
- Query.prototype.maxscan()
- Query.prototype.merge()
- Query.prototype.mod()
- Query.prototype.mongooseOptions()
- Query.prototype.ne()
- Query.prototype.batchSize()
- Query.prototype.near()
- Query.prototype.nearSphere()
- Query.prototype.nin()
- Query.prototype.nor()
- Query.prototype.or()
- Query.prototype.orFail()
- Query.prototype.polygon()
- Query.prototype.populate()
- Query.prototype.projection()
- Query.prototype.read()
- Query.prototype.box()
- Query.prototype.readConcern()
- Query.prototype.regex()
- Query.prototype.remove()
- Query.prototype.replaceOne()
- Query.prototype.select()
- Query.prototype.selected()
- Query.prototype.selectedExclusively()
- Query.prototype.selectedInclusively()
- Query.prototype.session()
- Query.prototype.set()
- Query.prototype.cast()
- The following options are for all operations
- Query.prototype.setQuery()
- Query.prototype.setUpdate()
- Query.prototype.size()
- Query.prototype.skip()
- Query.prototype.slaveOk()
- Query.prototype.slice()
- Query.prototype.snapshot()
- Query.prototype.sort()
- Query.prototype.tailable()
- Query.prototype.catch()
- Query.prototype.then()
- Query.prototype.toConstructor()
- Query.prototype.update()
- Query.prototype.updateMany()
- Query.prototype.updateOne()
- Query.prototype.use$geoWithin
- This option is only valid for operations that write to the database
- Query.prototype.where()
- Query.prototype.within()
- This option is only valid for operations that write to the database
- AggregationCursor
- Error
- Array
- Aggregate
- Aggregate()
- Aggregate.prototype.cursor()
- Aggregate.prototype.exec()
- Aggregate.prototype.explain()
- Aggregate.prototype.facet()
- Aggregate.prototype.graphLookup()
- Aggregate.prototype.group()
- Aggregate.prototype.hint()
- Aggregate.prototype.limit()
- Aggregate.prototype.lookup()
- Aggregate.prototype.match()
- Aggregate.prototype.Symbol.asyncIterator()
- Aggregate.prototype.model()
- Aggregate.prototype.near()
- Aggregate.prototype.option()
- Supported options are
- Aggregate.prototype.pipeline()
- Aggregate.prototype.project()
- Aggregate.prototype.read()
- Aggregate.prototype.readConcern()
- Aggregate.prototype.redact()
- Aggregate.prototype.replaceRoot()
- Aggregate.prototype.addCursorFlag
- Aggregate.prototype.sample()
- Aggregate.prototype.search()
- Aggregate.prototype.session()
- Aggregate.prototype.skip()
- Aggregate.prototype.sort()
- Aggregate.prototype.sortByCount()
- Aggregate.prototype.then()
- Aggregate.prototype.unwind()
- Aggregate.prototype.addFields()
- Aggregate.prototype.allowDiskUse()
- Aggregate.prototype.append()
- Aggregate.prototype.catch()
- Aggregate.prototype.collation()
- Aggregate.prototype.count()
- Schema
- Schema()
- Schema.prototype.indexes()
- Schema.prototype.loadClass()
- Schema.prototype.method()
- Schema.prototype.obj
- Schema.prototype.path()
- Schema.prototype.pathType()
- Schema.prototype.paths
- Schema.prototype.pick()
- Schema.prototype.plugin()
- Schema.prototype.post()
- Schema.Types
- Schema.prototype.pre()
- Schema.prototype.queue()
- Schema.prototype.remove()
- Schema.prototype.requiredPaths()
- Schema.prototype.set()
- Schema.prototype.static()
- Schema.prototype.virtual()
- Schema.prototype.virtualpath()
- Schema.reserved
- Schema.indexTypes
- Schema.prototype.add()
- Schema.prototype.childSchemas
- Schema.prototype.clone()
- Schema.prototype.eachPath()
- Schema.prototype.get()
- Schema.prototype.index()
- Model
- Model()
- Model.deleteMany()
- Model.deleteOne()
- Model.discriminator()
- Model.distinct()
- Model.ensureIndexes()
- Model.estimatedDocumentCount()
- Model.events
- Model.exists()
- Model.find()
- Model.findById()
- Model.aggregate()
- Model.findByIdAndDelete()
- Model.findByIdAndRemove()
- Model.findByIdAndUpdate()
- Model.findOne()
- Model.findOneAndDelete()
- Model.findOneAndRemove()
- Model.findOneAndReplace()
- Model.findOneAndUpdate()
- Model.geoSearch()
- Model.hydrate()
- Model.bulkWrite()
- Model.init()
- Model.insertMany()
- Model.inspect()
- Model.listIndexes()
- Model.mapReduce()
- Model.populate()
- Model.prototype.$where
- Model.prototype.$where()
- Model.prototype.base
- Model.prototype.baseModelName
- Model.cleanIndexes()
- Model.prototype.collection
- Model.prototype.db
- Model.prototype.delete
- Model.prototype.deleteOne()
- Model.prototype.discriminators
- Model.prototype.model()
- Model.prototype.modelName
- Model.prototype.remove()
- Model.prototype.save()
- Model.prototype.schema
- Model.count()
- Model.remove()
- Model.replaceOne()
- Model.startSession()
- Model.syncIndexes()
- Model.translateAliases()
- Model.update()
- Model.updateMany()
- Model.updateOne()
- Model.validate()
- The ChangeStream object is an event emitter that emits the following events
- Model.countDocuments()
- Model.where()
- increment()
- Model.create()
- Model.createCollection()
- Model.createIndexes()
- Virtualtype
- Schematype
- SchemaType()
- SchemaType.prototype.ref()
- SchemaType.prototype.required()
- SchemaType.prototype.select()
- SchemaType.prototype.set()
- SchemaType.prototype.sparse()
- SchemaType.prototype.text()
- Example:
- SchemaType.prototype.transform()
- SchemaType.prototype.unique()
- SchemaType.prototype.validate()
- SchemaType.cast()
- SchemaType.set()
- SchemaType.cast()
- SchemaType.checkRequired()
- SchemaType.get()
- SchemaType.prototype.default()
- SchemaType.prototype.get()
- SchemaType.prototype.immutable()
- SchemaType.prototype.index()
- Document
- Document.prototype.$ignore()
- Document.prototype.$set()
- Document.prototype.depopulate()
- Document.prototype.directModifiedPaths()
- Document.prototype.equals()
- Document.prototype.errors
- Document.prototype.execPopulate()
- Document.prototype.get()
- Document.prototype.getChanges()
- Document.prototype.id
- Document.prototype.init()
- Document.prototype.$isDefault()
- Document.prototype.inspect()
- Document.prototype.invalidate()
- Document.prototype.isDirectModified()
- Document.prototype.isDirectSelected()
- Document.prototype.isInit()
- Document.prototype.isModified()
- Document.prototype.isNew
- Document.prototype.isSelected()
- Document.prototype.markModified()
- Document.prototype.modifiedPaths()
- Document.prototype.$isDeleted()
- Document.prototype.overwrite()
- Document.prototype.parent()
- Document.prototype.populate()
- Document.prototype.populated()
- Document.prototype.replaceOne()
- Document.prototype.save()
- Document.prototype.schema
- Document.prototype.set()
- Document.prototype.toJSON()
- Note that this is behavior is different for transforms defined in the schema
- Document.prototype.$isEmpty()
- Document.prototype.toString()
- Document.prototype.unmarkModified()
- Document.prototype.update()
- Document.prototype.updateOne()
- Document.prototype.validate()
- Document.prototype.validateSync()
- Document.prototype.$locals
- Document.prototype.$markValid()
- Document.prototype.$op
- Document.prototype.$parent()
- Document.prototype.$session()
- Connection
- Connection()
- Connection.prototype.dropCollection()
- Connection.prototype.dropDatabase()
- Connection.prototype.get()
- Connection.prototype.getClient()
- Connection.prototype.host
- Connection.prototype.id
- Connection.prototype.model()
- Connection.prototype.modelNames()
- Connection.prototype.models
- Connection.prototype.name
- Connection.prototype.client
- Connection.prototype.openUri()
- Connection.prototype.pass
- Connection.prototype.plugin()
- Connection.prototype.plugins
- Connection.prototype.port
- Connection.prototype.readyState
- Supported options include
- Connection.prototype.setClient()
- Connection.prototype.startSession()
- Connection.prototype.transaction()
- Connection.prototype.close()
- Connection.prototype.useDb()
- Connection.prototype.user
- The ChangeStream object is an event emitter that emits the following events
- Connection.prototype.collection()
- Connection.prototype.collections
- Connection.prototype.config
- Connection.prototype.createCollection()
- Connection.prototype.db
- Connection.prototype.deleteModel()
- Mongoose
- Mongoose()
- Mongoose.prototype.Error()
- Mongoose.prototype.Mixed
- Mongoose.prototype.Model()
- Mongoose.prototype.Mongoose()
- Mongoose.prototype.Number
- Mongoose.prototype.ObjectId
- Mongoose.prototype.Promise
- Mongoose.prototype.PromiseProvider()
- Mongoose.prototype.Query()
- Mongoose.prototype.STATES
- Mongoose.prototype.Aggregate()
- Mongoose.prototype.Schema()
- Mongoose.prototype.SchemaType()
- Mongoose.prototype.SchemaTypeOptions()
- Mongoose.prototype.SchemaTypes
- Mongoose.prototype.Types
- Mongoose.prototype.VirtualType()
- Mongoose.prototype.connect()
- Mongoose.prototype.connection
- Mongoose.prototype.connections
- Mongoose.prototype.createConnection()
- Mongoose.prototype.CastError()
- Mongoose.prototype.deleteModel()
- Mongoose.prototype.disconnect()
- Mongoose.prototype.driver
- Mongoose.prototype.get()
- Mongoose.prototype.isValidObjectId()
- Mongoose.prototype.model()
- Mongoose.prototype.modelNames()
- Mongoose.prototype.mongo
- Mongoose.prototype.mquery
- Mongoose.prototype.now()
- Mongoose.prototype.Collection()
- Mongoose.prototype.plugin()
- Mongoose.prototype.pluralize()
- Currently supported options are
- Mongoose.prototype.startSession()
- Mongoose.prototype.version
- Mongoose.prototype.Connection()
- Mongoose.prototype.Date
- Mongoose.prototype.Decimal128
- Mongoose.prototype.Document()
- Mongoose.prototype.DocumentProvider()
- DocumentArrayPath
- QueryCursor
- Quick Start
- Further Reading
- For Enterprise
- FAQ
- Built with Mongoose
- Guides
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