MongoDB / Mongoose:如何将元素推送到嵌套对象中的数组?

时间:2020-03-27 13:14:48

标签: node.js mongodb mongoose mongoose-populate

我正在使用mongoose创建一个mongodb数据库,该数据库根据以下架构在其中存储数据:

const Incidents_Schema = ({
assetID:   Number, 
dataHora:  { 
            year: Number, 
            month: Number, 
            day: Number, 
            hour: Number 
},
data: 
    {
        1: [ {supman: String, desc: String, ticketID: Number} ],
        2: [ {supman: String, desc: String, ticketID: Number} ],
        3: [ {supman: String, desc: String, ticketID: Number} ],
        4: [ {supman: String, desc: String, ticketID: Number} ],
        5: [ {supman: String, desc: String, ticketID: Number} ],
    }
});
const evento  = mongoose.model("Incident", Incidents_Schema);

我成功地向数组“ 1”添加了一个属于对象“ data”的元素。因此,现在我存储了以下条目:

{ 
  "_id" : ObjectId("5e7df900c79032556c5d4ad1"), 
  "assetID" : 1100006971, 
  "dataHora" : { "year" : 2020, "month" : 3, "day" : 26, "hour" : 21 }, 
  "data" : { "1" : [ { "_id" : "5e7df900c79032556c5d4ad2", "supman" : "foo1", "desc" : "foo2", "ticketID" : 123} ],
             "2" : [ ], 
             "3" : [ ], 
             "4" : [ ], 
             "5" : [ ] 
            }
}

这是我的问题我想将另一个元素压入数组“ 1”。我在Google上进行了一些搜索,并尝试了几种方法,但没有一种起作用。 我尝试的最后一个是:

evento.update({"_id": "5e7df900c79032556c5d4ad1"}, {"$push": {"data.$.1": {supman: "foo3", desc: "foo4", ticketID: 456}}});

我是否对查询或架构本身进行了错误的构造?

谢谢。

1 个答案:

答案 0 :(得分:1)

好,所以我找到了一种方法:

evento.updateOne({"_id": "5e7df900c79032556c5d4ad1"}, {"$push": {"data.1": {supman: "foo3", desc: "foo4", ticketID: 456}}},  {upsert:true}, function(err){
if(err){
        console.log(err);
}else{
        console.log("Successfully added");
}

});

还是谢谢你!