findone mongoose
If you specify a projection parameter, findOne() returns a document that only contains the projection fields. The _id field is always included unless you explicitly ... ,Finding documents. Documents can be retrieved through find , findOne and findById . These methods are executed on your Model s. ,What results is depends on the operation: For findOne() it is a potentially-null single document, find() a list of documents, count() the number of documents, ... ,findOne( email }); } } // `schema` will now have a `gravatarImage` virtual, .... next(); }); // Equivalent to calling `pre()` on `find`, `findOne`, `findOneAndUpdate`. ,Mongoose async operations, like .save() and queries, return thenables. This means that you can do things like MyModel.findOne(}).then() and await MyModel. ,What results is depends on the operation: For findOne() it is a potentially-null single document, find() a list of documents, count() the number of documents, ... ,findOne( title: 'Casino Royale' }). populate('author'). exec(function (err, story) if (err) return handleError(err); console.log('The author is %s', story.author.name); ... , Your query object isn't valid (use a colon instead of a comma) and you're missing a comma between the findOne parameters. Your call should ..., Found the problem, need to use function(err,obj) instead: Auth.findOne(nick: 'noname'}, function(err,obj) console.log(obj); });.,Try this: const User = mongoose.model('User', name: String, email: String, passwordHash: String, validation: String, validationCode: String, favorites: Array }) ...
| 相關軟體 MongoDB 資訊 | |
|---|---|
 findone mongoose 相關參考資料
db.collection.findOne() — MongoDB Manual
If you specify a projection parameter, findOne() returns a document that only contains the projection fields. The _id field is always included unless you explicitly ... https://docs.mongodb.com Mongoose ODM
Finding documents. Documents can be retrieved through find , findOne and findById . These methods are executed on your Model s. https://mongoosejs.com Mongoose Queries v4.13.15
What results is depends on the operation: For findOne() it is a potentially-null single document, find() a list of documents, count() the number of documents, ... https://mongoosejs.com Mongoose v5.3.11: API docs
findOne( email }); } } // `schema` will now have a `gravatarImage` virtual, .... next(); }); // Equivalent to calling `pre()` on `find`, `findOne`, `findOneAndUpdate`. https://mongoosejs.com Mongoose v5.3.11: Promises
Mongoose async operations, like .save() and queries, return thenables. This means that you can do things like MyModel.findOne(}).then() and await MyModel. https://mongoosejs.com Mongoose v5.3.11: Queries
What results is depends on the operation: For findOne() it is a potentially-null single document, find() a list of documents, count() the number of documents, ... https://mongoosejs.com Mongoose v5.3.11: Query Population
findOne( title: 'Casino Royale' }). populate('author'). exec(function (err, story) if (err) return handleError(err); console.log('The author is %s', story.author.name); .... https://mongoosejs.com node.js - How to perform findOne query in mongoose - Stack Overflow
Your query object isn't valid (use a colon instead of a comma) and you're missing a comma between the findOne parameters. Your call should ... https://stackoverflow.com node.js - How to use mongoose findOne - Stack Overflow
Found the problem, need to use function(err,obj) instead: Auth.findOne(nick: 'noname'}, function(err,obj) console.log(obj); });. https://stackoverflow.com node.js - Mongoose.js findOne returning query metadata - Stack ...
Try this: const User = mongoose.model('User', name: String, email: String, passwordHash: String, validation: String, validationCode: String, favorites: Array }) ... https://stackoverflow.com |