{
"_id" : ObjectId(""),
"CustomerId" : 13038,
"AT" : ISODate("2021-12-01T04:00:00.000Z"),
"dwell" : [
7,
6,
12,
6 ]
},
{
"_id" : ObjectId(""),
"CustomerId" : 12036,
"AT" : ISODate("2021-12-01T04:00:00.000Z"),
"dwell" : [
15,
3,
12
]
}
在这些文档中,我只想得到驻留中大于10的数字的计数.
例如:
{"CustomerId": 13038, "Count": 1} //because only 12 bigger than 10
{"CustomerId": 12036, "Count": 2}