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Update MongoDB_聚合.md

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heibaiying 2019-07-31 15:12:13 +08:00 committed by GitHub
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@ -414,31 +414,31 @@ db.employees.aggregate([
"emp_no" : 10001,
.......
"emps_title" : [
{
{
"_id" : ObjectId("5d4011728ba16934ccce99a5"),
"emp_no" : 10001,
"title" : "Senior Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a6"),
"emp_no" : 10002,
"title" : "Staff"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a7"),
"emp_no" : 10003,
"title" : "Senior Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a8"),
"emp_no" : 10004,
"title" : "Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a9"),
"emp_no" : 10004,
"title" : "Senior Engineer"
}
}
]
},
@ -447,31 +447,31 @@ db.employees.aggregate([
"emp_no" : 10002,
.......
"emps_title" : [
{
{
"_id" : ObjectId("5d4011728ba16934ccce99a5"),
"emp_no" : 10001,
"title" : "Senior Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a6"),
"emp_no" : 10002,
"title" : "Staff"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a7"),
"emp_no" : 10003,
"title" : "Senior Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a8"),
"emp_no" : 10004,
"title" : "Engineer"
},
{
},
{
"_id" : ObjectId("5d4011728ba16934ccce99a9"),
"emp_no" : 10004,
"title" : "Senior Engineer"
}
}
]
},