meteor MongoDB Aggregation Aggregation in a Server Method
Example
Another way of doing aggregations is by using the Mongo.Collection#rawCollection()
This can only be run on the Server.
Here is an example you can use in Meteor 1.3 and higher:
Meteor.methods({
'aggregateUsers'(someId) {
const collection = MyCollection.rawCollection()
const aggregate = Meteor.wrapAsync(collection.aggregate, collection)
const match = { age: { $gte: 25 } }
const group = { _id:'$age', totalUsers: { $sum: 1 } }
const results = aggregate([
{ $match: match },
{ $group: group }
])
return results
}
})
