5.9之后的方法:Model.deleteMany() // Student是一个Model.Student.deleteMany({},function(err) {console.log("success");}); 3|0参考 Model.deleteMany() -- Mongoose官方文档 mongoose delete all documents in collection Model.remove() -- Mongoose官方文档 __EOF__ 高坦的博客 | Tan's Blog BY-NC-...
constdoc =awaitMyModel.findOne();// Delete the document so Mongoose won't be able to save changesawaitMyModel.deleteOne({_id: doc._id}); doc.name='foo';awaitdoc.save();// Throws DocumentNotFoundError Setting Nested Properties Mongoose documents have aset()function that you can use to ...
Option to create index on delete fields(deleted,deletedAt,deletedBy) Option to disable use of$neoperator using{use$neOperator: false}. Before you start to use this option please check#50. Option to overrideaggregate. Option topopulatewith deleted documents ({ withDeleted: true }) ...
log('Multiple documents deleted'); } }); // 根据_id删除单个文档 User.findByIdAndDelete('document_id_here', (err) => { if (err) { console.error(err); } else { console.log('Document deleted by id'); } }); 4. 修改数据 修改数据可以使用Model.updateOne()、Model.updateMany()...
Models have staticdeleteOne()anddeleteMany()functions for removing all documents matching the givenfilter. Tank.deleteOne({size:'large'},function(err) {if(err)returnhandleError(err);// deleted at most one tank document}); Updating Eachmodelhas its ownupdatemethod for modifying documents in the...
(mongoose_delete,{overrideMethods:['count','countDocuments','find']});// or (unrecognized method names will be ignored)PetSchema.plugin(mongoose_delete,{overrideMethods:['count','find','errorXyz']});varPet=mongoose.model('Pet',PetSchema);// Example of usage overridden methodsPet.find(...
constpost=awaitBlogPost.findById(myId);post.comments[0].deleteOne();awaitpost.save(); Embedded documents enjoy all the same features as your models. Defaults, validators, middleware. Middleware See thedocspage. Intercepting and mutating method arguments ...
student.deleteOne({ 'gender': "female" }) # 2.删除符合条件的全部 db.student.deleteMany({"_id":{"$gte":3}})#删除id大于等于3的所有 # 3.删除所有 db.student.deleteMany({}) #清空该集合 加减操作: #增加和减少$inc #年龄都+1 db.user.update( {}, {"$inc":{"age":1}}, {"multi"...
// find all documents await MyModel.find({}); // find all documents named john and at least 18 await MyModel.find({ name: 'john', age: { $gte: 18 } }).exec(); // executes, name LIKE john and only selecting the "name" and "friends" fields await MyModel.find({ name: /john...
_update.htmlFragment = 'new name' } // delete field to make it immutable. So the original value will be choosen if (htmlFragment) { delete this._update.$set.htmlFragment } next() } catch (e) { next(e) } }) } post Hook Do something after the documents was saved // loadedAt...