product.save().then(function(product) { ... }); 对于其它一些返回query的操作来说,不加回调函数,会返回一个带有then方法的对象,但是它并不是promise。 var query = Band.findOne({name: "Guns N' Roses"}); assert.ok(!(query instanceof Promise))
使用Node、MongoDb和Mongoose来处理我的数据库，但我被它的更新部分卡住了。
post('validate',function(doc){ console.log('%s has been validated (but not saved yet)', doc._id); }) schema.post('save',function(doc){ console.log('%s has been saved', doc._id); }) schema.post('remove',function(doc){ console.log('%s has been removed', doc._id); }) 异步...
"TypeError: path.indexOf is not a function" occurs here let res = await model.bulkSave(pairs); } test(); Expected behavior Takes an array of documents, gets the changes and inserts/updates documents in the database according to whether or not the document is new, or whether it has chan...
Q. My save() callback never executes. What am I doing wrong? A. All collection actions (insert, remove, queries, etc.) are queued until Mongoose successfully connects to MongoDB. It is likely you haven't called Mongoose's connect() or createConnection() function yet. In Mongoose 5.11,...
user.save()... 像上面写保存数据时提示 this.ctx.model.user.save is not a function。 另外,如何将数据赋值到user对象中。 多谢。 boizz commented Apr 9, 2017 有个疑问,app/model/下的文件怎么使用service里的方法? atian25 assigned huacnlee and jtyjty99999 Apr 10, 2017 boizz commented Apr ...
'Color `{VALUE}` not valid', 'Invalid color'); //设置了message && kind var toy = new Toy({ color: 'grease'}); toy.save(function (err) { // err is our ValidationError object // err.errors.color is a ValidatorError object
post.save(function (err) { // do something }); } }); Embedded documents enjoy all the same features as your models. Defaults, validators, middleware. Whenever an error occurs, it's bubbled to thesave()error callback, so error handling is a snap!
constconn=mongoose.createConnection('your connection string');constMyModel=mongoose.model('ModelName',schema);constm=newMyModel();awaitm.save();// does not work b/c the default connection object was never connected Embedded Documents In the first example snippet, we defined a key in the Sche...
_.merge(req.person, req.body);// The req.person is already a Person, so just update()req.person.save(function(err, person){if(err) res.status(500).jsonp(err);else{ res.status(200).jsonp(person); } }); };varinsertPerson =function(req, res){varperson =...