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New posts in aggregation-framework

lookup with pipeline and geoIntersects that use let variable

How do I count multiple keys in the same MongoDB aggregation $group query?

Finding highest value from sub-arrays in documents

MongoDB query : $near with aggregation

How to check if sub-field exists and is not null in mongodb aggregation?

Aggregation $lookup with $let is not working

How to perform case-insensitive aggregation grouping in MongoDb?

How create a new array field with the aggregate framework

Project nested embedded document in mongodb aggregate

How to remove only one or two fields from documents in mongodb?

Mongoose Virtuals in MongoDB Aggregate

mongodb: query for the time period between two date fields

How to do nested $lookup search in MongoDB?

Find whether someone got a birthday in the next 30 days with mongo

Aggregation pipeline and indexes

Count tags in tag array in a mongodb document inside a collection

Mongodb select all fields group by one field and sort by another field

Mongodb aggregate query with not in

mongodb $aggregate empty array and multiple documents

How to project array index after unwinding an array with MongoDB aggregation framework