Created
September 8, 2015 02:58
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Agrupa de acordo com parâmetros de busca e soma de acordo com um parâmetro da coleção - MongoDB
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| db.checkins.aggregate([ | |
| { $match : | |
| { | |
| nome: 'AKB48劇場 (AKB48 Theater)', | |
| classe: 'turista' } | |
| }, | |
| {$group: | |
| { | |
| _id: '$horario', | |
| checkins: {$sum: 1}} | |
| }, | |
| {$sort: {checkins:-1} } | |
| ]) |
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