MongoDB aggregation framework query: how to transform documents by applying rules from another collection

On StackOverflow, a user posted this question asking for support to create, with the MongoDB Aggregation Framework, the query that returned his expected result.

The scenario consists of two collections: one that contains documents related to some “statistics” and another that contains… (Read the full article)

MongoDB aggregation framework query: trasformare i documenti applicando regole prese da un’altra collection

Su StackOverflow un utente ha postato questa domanda in cui chiedeva supporto per creare, con l’aggregation framework di MongoDB, la query che restituisse il risultato atteso.

Lo scenario รจ quello in cui ci sono due collection: una che contiene i documenti relativi ad alcune statistiche e … (Read the full article)