mongodb比較複雜的綜合統計計算,效能還不差

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標籤:ar   sp   on   bs   as   new   tt   nbsp   c   

db.app_users.aggregate([ {     $project:{         fs:1,         ls:1,         subt:{$subtract:[‘$ls‘,‘$fs‘]},         days714:{             $cond: [ { $gte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-14*24*60*60)]},1,0]         },         days1430:{             $cond: [             {                 $and:[                    { $lte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-14*24*60*60)]},                    { $gte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-30*24*60*60)]}                 ]             },1,0]         },                         days30:{             $cond: [ { $lte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-30*24*60*60)]},1,0]         },                  days815:{             $cond: [             {                 $and:[                    { $lte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-8*24*60*60)]},                    { $gte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-15*24*60*60)]}                 ]             },1,0]         },         days1531:{             $cond: [             {                 $and:[                    { $lte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-15*24*60*60)]},                    { $gte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-31*24*60*60)]}                 ]             },1,0]         },                         days31:{             $cond: [ { $lte:[‘$ls‘,(Math.round((new Date()).getTime() / 1000)-31*24*60*60)]},1,0]         },     } }, {     $match:{         subt:{$lt:24*60*60},         ls:{ $lt:(Math.round((new Date()).getTime() / 1000)-7*24*60*60)}     } }, {     $group:{         ‘_id‘:null,         days7_14: {$sum: "$days714"},         days14_30: {$sum: "$days1430"},         days_more30: {$sum: "$days30"},         days8_15: {$sum: "$days715"},         days15_31: {$sum: "$days1531"},         days_more31: {$sum: "$days30"}     } }])


mongodb比較複雜的綜合統計計算,效能還不差

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