Posts by Giga byts • 11 points

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  A: Rank system using Mongodb

  db.collection.aggregate([ { $unwind: "$items" }, { "$group": { "_id": "$_id", collected:{ $addToSet: "$items.results.collected" }, } }, { $unwind: "$collected" }, { $project: { totalcoletado: {…

  mongodb mongoose

  answered 5 years, 9 months ago Giga byts 11