这 filter 可能是一个 objectId 或一个 object，使用时 Model.find()，您应该明确列出要在模型中搜索的参数。 这在从查询字符串中提取过滤器参数时很重要。const testSchema = new mongoose.Schema({ name: String, location: String});const obj = { name: 'Masterin
mongoose.Types.ObjectId; // truedoc.testId; // '313263686172313263686172'// Similarly, Mongoose will automatically convert buffers of length 12// to ObjectIds.doc = new Model({ testId: Buffer.from('12char12char') });doc.testId instanceof mongoose.Types.ObjectId; // truedoc.testId; //...
ObjectId Array Schemas not only define the structure of your document and casting of properties, they also define documentinstance methods, staticModel methods,compound indexesand document lifecycle hooks calledmiddleware. Creating a model To use our schema definition, we need to convert ourblogSchema...
ObjectId Array SchemaType type属性指定SchemaType类型,不同的SchemaType类型还有其他不同的属性配置 varschema2 =newSchema({test: {type:String,lowercase:true// Always convert `test` to lowercase} }); 这是所有类型公有的: required: 必选验证器。 default: 默认值。Any或function,如果该值是一个函数,则...
ObjectId Array SchemaType 指定字段约束,不同的SchemaType类型还有其他不同的属性配置 var schema2 = new Schema({ test: { type: String, lowercase: true // Always convert `test` to lowercase } }); 常用可配参数有: required: 必选验证器。
If you create a schema with an array of objects, Mongoose will automatically convert the object to a schema for you:const parentSchema = new Schema({ children: [{ name: 'string' }] }); // Equivalent const parentSchema = new Schema({ children: [new Schema({ name: 'string' })] })...
{ title: 'Person', type: 'object', properties: { firstName: { type: 'string' }, lastName: { type: 'string' }, dateOfBirth: { type: 'string', format: 'date-time' }, _id: { type: 'string', pattern: '^[0-9a-fA-F]{24}$' }, __v: { type: 'number' } }, required:...
default("user"), companyId: zId("Company"), wearable: zUUID(), address: z.object({ street: z.string(), city: z.string(), state: z.enum(["CA", "NY", "TX"]), }), tags: z.array(z.string()), createdAt: z.date(), updatedAt: z.date(), }); Then, convert it to ...
✅ Unique for String, Number, Date, ObjectId and UUID ✅ Sparse for String, Number, Date, ObjectId and UUID ⚠️Record (Being converted to Map) ⚠️Unions (Not supported by mongoose, will pick first inner type) ❗️ Intersection (not supported by mongoose) ...
const Schema = mongoose.Schema; const ObjectId = Schema.ObjectId; const BlogPost = new Schema({ author: ObjectId, title: String, body: String, date: Date });Aside from defining the structure of your documents and the types of data you're storing, a Schema handles the definition of:...