Created
February 15, 2018 20:40
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Consultas optimizadas para los tweets en mongodb
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| db.tweets.aggregate( | |
| { | |
| $project: { | |
| y: { $year: "$created_at"}, | |
| m: { $month: "$created_at"}, | |
| d: { $dayOfMonth: "$created_at"}, | |
| h: { $hour: "$created_at"}, | |
| tweet: 1 | |
| } | |
| }, | |
| { | |
| $group:{ | |
| _id: { year: "$y", month:"$m", day:"$d", hour:"$h" }, | |
| count: { $sum : 1 } | |
| } | |
| }) |
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