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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, "emp_no" : 10001,
....... .......
"emps_title" : [ "emps_title" : [
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a5"), "_id" : ObjectId("5d4011728ba16934ccce99a5"),
"emp_no" : 10001, "emp_no" : 10001,
"title" : "Senior Engineer" "title" : "Senior Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a6"), "_id" : ObjectId("5d4011728ba16934ccce99a6"),
"emp_no" : 10002, "emp_no" : 10002,
"title" : "Staff" "title" : "Staff"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a7"), "_id" : ObjectId("5d4011728ba16934ccce99a7"),
"emp_no" : 10003, "emp_no" : 10003,
"title" : "Senior Engineer" "title" : "Senior Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a8"), "_id" : ObjectId("5d4011728ba16934ccce99a8"),
"emp_no" : 10004, "emp_no" : 10004,
"title" : "Engineer" "title" : "Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a9"), "_id" : ObjectId("5d4011728ba16934ccce99a9"),
"emp_no" : 10004, "emp_no" : 10004,
"title" : "Senior Engineer" "title" : "Senior Engineer"
} }
] ]
}, },
@ -447,31 +447,31 @@ db.employees.aggregate([
"emp_no" : 10002, "emp_no" : 10002,
....... .......
"emps_title" : [ "emps_title" : [
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a5"), "_id" : ObjectId("5d4011728ba16934ccce99a5"),
"emp_no" : 10001, "emp_no" : 10001,
"title" : "Senior Engineer" "title" : "Senior Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a6"), "_id" : ObjectId("5d4011728ba16934ccce99a6"),
"emp_no" : 10002, "emp_no" : 10002,
"title" : "Staff" "title" : "Staff"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a7"), "_id" : ObjectId("5d4011728ba16934ccce99a7"),
"emp_no" : 10003, "emp_no" : 10003,
"title" : "Senior Engineer" "title" : "Senior Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a8"), "_id" : ObjectId("5d4011728ba16934ccce99a8"),
"emp_no" : 10004, "emp_no" : 10004,
"title" : "Engineer" "title" : "Engineer"
}, },
{ {
"_id" : ObjectId("5d4011728ba16934ccce99a9"), "_id" : ObjectId("5d4011728ba16934ccce99a9"),
"emp_no" : 10004, "emp_no" : 10004,
"title" : "Senior Engineer" "title" : "Senior Engineer"
} }
] ]
}, },