[英]How to update a child in an array in mongodb collection using mongoose?
我是 mongodb/mongoose 的初学者。 我有这个 mongoose 文档:
const MySchema = mongoose.Schema({
name: {
type: String,
minLength: 5,
maxlength: 100,
required: true
},
children: [{
name: {
type: String,
minLength: 10,
maxlength: 200,
required: true
},
}],
}],
保存这样的文档:
{
"_id" : ObjectId("63a4bde8680e26987e8abd1f"),
"name" : "parent 1",
"children" : [{
"name" : "child 1",
"_id" : ObjectId("63a94a4a1baa3d5bfdc22fb4")
},
{
"name" : "child 2",
"_id" : ObjectId("63a94a4a1baa3d5bfdc22fb4")
}
]
}
如何使用 mongoose 更新给定 objectId(例如:63a94a4a1baa3d5bfdc22fb4)的单个子项?
我记得父元素,但不知道如何更新单个子元素
let parent = await Manager.getParent(parentId);
let documentToUpdate = {
question: question,
questionType: questionType,
answers: answers
}
...
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