$match (filter)
- $match
- filter
db.simple.aggregate( [ { $match : { name: "foo" } } ] )
{
"result": [
{
"_id": ObjectId("5988aeb33b04d96991d11159"),
"name": "foo",
"cnt": 3
},
{
"_id": ObjectId("5988aeb33b04d96991d1115a"),
"name": "foo",
"cnt": 4
},
{
"_id": ObjectId("5988aeb33b04d96991d1115b"),
"name": "foo",
"cnt": 5
}
],
"ok": 1
}