当客户端提供新的 WEEKNUM 时,mongoose.findOneAndUpdate() 方法不会创建新对象。相反,它只是更新集合中已经存在的 WEEKNUM 和 WEEKDATA。我该如何解决?我在这里缺少什么?
架构:
{
ageGroup:String,
monthData: [{
month:String,
circleTimeWordsList:[String],
circleTimeTips:[String],
weekData : [{
weekNum : String,
theme : String,
dayData: [{
day:String,
circleTimeSong: String,
circleTimeBook: String,
circleTimeActivity: String,
learningCenter: [{
learningCenterName:String,
learningCenterActivity:String
}]
}]
}]
}]
}
这是我的架构。我正在使用 mongoose.findOneAndUpdate() 插入/更新集合中的数据。
例如。
- 如果集合中没有任何内容。将插入数据。
如果集合中已有以下数据。
{ ageGroup:"2", monthData: { month:"January", circleTimeWordsList:["word 1", "word 2"], circleTimeTips:["teaching tips", "teaching tips 2"], weekData : { weekNum : "1", theme : "circleTime theme weekly 1", dayData: [{ day:"Monday", circleTimeSong: "circleTimeSong 1", circleTimeBook: "english 1", circleTimeActivity: "circleTimeActivity 1", learningCenter: [{ learningCenterName:"Art Center", learningCenterActivity:"learningCenterActivity 1" }, { learningCenterName:"Language Center", learningCenterActivity:"learningCenterActivity 1" }] }] } }
如果客户端向服务器发送以下 JSON,
{
ageGroup:"2",
monthData: {
month:"January",
circleTimeWordsList:["word 1", "word 2"],
circleTimeTips:["teaching tips", "teaching tips 2"],
weekData : {
weekNum : "2",
theme : "circleTime theme weekly 2",
dayData: [{
day:"Monday",
circleTimeSong: "circleTimeSong 2",
circleTimeBook: "english 2",
circleTimeActivity: "circleTimeActivity 2",
learningCenter: [{
learningCenterName:"Art Center",
learningCenterActivity:"learningCenterActivity 2"
},
{
learningCenterName:"Language Center",
learningCenterActivity:"learningCenterActivity 2"
}]
}]
}
}
}
mongodb 集合将如下所示:
{
ageGroup:"2",
monthData: {
month:"January",
circleTimeWordsList:["word 1", "word 2"],
circleTimeTips:["teaching tips", "teaching tips 2"],
weekData : [
{
weekNum : "1",
theme : "circleTime theme weekly 1",
dayData: [{
day:"Monday",
circleTimeSong: "circleTimeSong 1",
circleTimeBook: "english 1",
circleTimeActivity: "circleTimeActivity 1",
learningCenter: [{
learningCenterName:"Art Center",
learningCenterActivity:"learningCenterActivity 1"
},
{
learningCenterName:"Language Center",
learningCenterActivity:"learningCenterActivity 1"
}]
},
{
weekNum : "2",
theme : "circleTime theme weekly 2",
dayData: [{
day:"Monday",
circleTimeSong: "circleTimeSong 2",
circleTimeBook: "english 2",
circleTimeActivity: "circleTimeActivity 2",
learningCenter: [{
learningCenterName:"Art Center",
learningCenterActivity:"learningCenterActivity 2"
},
{
learningCenterName:"Language Center",
learningCenterActivity:"learningCenterActivity 2"
}]
}]
}
]
}
}
}
然而,当前代码只是更新旧数据,而不是在 WEEKDATA 数组中为 weekNUM 2 创建一个单独的对象
这是我使用的代码:
MyData.getMyDataModelObject().findOneAndUpdate({ageGroup:data.ageGroup, month:data.monthData.month/*, weekNum:data.monthData.weekData.weekNum*/}, data, {upsert:true}, function(err, foundData){});
最佳答案
假设请求正文
var data=req.body;
delete data.weekData;
findOneAndUpdate(query,data,function(err,model){
if(err){
// handle here
}
model.monthData.weekData.push(req.body.weekData);
model.save();
});
或
var data=req.body;
findOneAndUpdate(query,{$push:{"weekData":data.weekData},function(err,model){
if(err){
// handle here
}
});
delete data.weekData;
findOneAndUpdate(query,data,function(err,model){
});
或
在此使用 mongoose 中的子文档,您必须更改您的架构,但如果您执行 CRUD 操作,这是更好的选择
链接subdocuments
关于javascript - Mongoose.findOneAndUpdate() 没有创建新文档,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41258472/