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尋找屬於羣組的一部分的用戶。Mongo:搜索子陣列
這是一個用戶:
meteor:PRIMARY> db.users.find({_id:"rYHRMPpdXRa8fPXrj"})
下面是結果的單個用戶:
{ "_id" : "rYHRMPpdXRa8fPXrj", "profile" : { "firstName" : "C", "groups" : [ "GJcqFCnSzfvJbuTMS", "gxD85kTiXmbtwaKfo" ]}
我試圖找到...
db.users.find({"groups":"rYHRMPpdXRa8fPXrj"})
db.users.find({"profile.groups":"rYHRMPpdXRa8fPXrj"})
db.users.find({profile:{"groups":"rYHRMPpdXRa8fPXrj"}})
db.users.find({"profile":{"groups":"rYHRMPpdXRa8fPXrj"}})
db.users.find({"profile":{"groups":["rYHRMPpdXRa8fPXrj"]}})
db.users.find({profile:{"groups":"rYHRMPpdXRa8fPXrj"}})
db.users.find({profile:{groups:"rYHRMPpdXRa8fPXrj"}})
db.users.find({profile:{groups:["rYHRMPpdXRa8fPXrj"]}})
db.users.find({profile:{$elemMatch:{groups:["rYHRMPpdXRa8fPXrj"]}}})
db.users.find({profile:{$elemMatch:{groups:"rYHRMPpdXRa8fPXrj"}}})
db.users.find({profile:{groups:{$in:["rYHRMPpdXRa8fPXrj"]}}})
我什麼也沒得到。 ARRRG!
如何查找特定profile.group中的所有用戶?
衛生署!謝謝,叫醒。此外,瞭解嵌套數據點的語法也很棒,例如「profile.groups」。真棒。有效。 –