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New posts in aggregation-framework

Modelling for friends schema in mongoose?

Mongodb group aggregation using ProjectionDefinition with c# driver

Unwind empty array in mongodb

Group by date intervals

mongoDb $in with aggregate query

How to calculate timestamp difference in mongodb (in hours)?

"group by" queries on meteor collection

Mongodb Aggregate Nested Group

How to find into mongodb to the last item of an array?

MongoDB aggregate, how to addToSet each element of array in group pipeline

Square Root in MongoDB Aggregate Pipeline

Using $unwind on multiple documents

mongodb aggregation, is it possible to add entries to an array during $project

Nested filters: $filter array, then $filter child array

Incredibly slow query performance with $lookup and "sub" aggregation pipeline

Conditionally reduce two array fields in Mongo Aggregation

MongoDB/Mongoose - Aggregation with geoNear & subdocuments

Bulk deleting documents from aggregate