Webconst mongooseLeanVirtuals = require('mongoose-lean-virtuals'); // Example schema const userSchema = new mongoose.Schema ( { name: String }); userSchema.virtual … WebAccepts Type: boolean. Set this to true, if the property is required (best practice is public property!: any, note the !) For more information see the mongoose documentation. Example: class Something {. @prop({ required: true }) // this is now required in the schema. public firstName!: string;
Introduction to Mongoose schema types - Atta-Ur-Rehman Shah
Web9 jul. 2024 · MongoDB Collection is case sensitive: It is totally valid for one database to have two collections: Hello, and hello, while Presto-MongoDB Connector use SchemaTableName to represent collection name, SchemaTableName itself is not case sensitive, it causes that we can not query mongodb collection which have uppercase … Weblowercase: {Boolean} Creates a setter which calls .toLowerCase () on the value uppercase: {Boolean} Creates a setter which calls .toUpperCase () on the value trim: {Boolean} Creates a setter which calls .trim () on the value match: {RegExp} Creates a RegExp based validator. The value being set is .test () ed against the RegExp. brunch georges 5 paris
Mongoose:如何防止MongoDB保存重复的电子邮件记录 - IT宝库
Web8 okt. 2024 · By default, the MongoDB engine considers character case when sorting extracted data. It's possible to execute case insensitive sorting queries by specifying Aggregations or Collations. In this short tutorial, we'll look at the two solutions using both MongoDB Shell and Java. 2. Setting up an Environment Weblowercase 属性只作用于字符串。 以下有一些全部 type 可用的选项和一些限定部分 type 使用的选项。 全部可用 required: 布尔值或函数 如果值为真，为此属性添加 required 验证器 default: 任何值或函数 设置此路径默认值。 如果是函数，函数返回值为默认值 select: 布尔值 指定 query 的默认 projections validate: 函数 adds a validator function for this property … Web29 jul. 2014 · The problem: MongoDB always sorts case sensitive in the following order Numerics: 0-9 Uppercase letters: A-Z Lowercase letters: a-z For the following examples, assume the upcoming Tag schema and documents in our Tags collection: Schema { name: String, approved: boolean, … } Documents in Collection brunch gentilly