Created
September 8, 2015 02:55
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Cria um vetor com os atributos encontrados e soma-os - MongoDB
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| var pipeline = [ | |
| { $group: { | |
| _id:{'members': '$member.name'}, | |
| events:{$addToSet: '$event.name'}, | |
| number_events:{$sum:1}} | |
| }, | |
| {$sort: {number_events:-1} } | |
| ] | |
| db.rsvps.aggregate(pipeline) |
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