node js mongodb find _id
db.collection('articles') .find( "_id.$oid": id} ) . or even more specific: db.collection('articles') .findOne( "_id.$oid": id} ) . EDIT: Converting string ..., It looks like you are mixed up about the parameters the find method takes. It does not appear to take a callback directly, but has, instead, ..., (Fails on MongoDB v2.6.4, NodeJS v0.10.31 with Mongoose versions 4.0.2, ... findOne( _id: '55822f34a8394683dd015888' }); // returns null ..., The _id field is already indexed, and findByID implicitly searches for one document, hence, findOne where you'll pass options _id: id} as you're ...,In MongoDB we use the find and findOne methods to find data in a collection. Just like the ... C:-Users-Your Name>node demo_mongodb_findone.js. Which will give ... _id: 58fdbf5c0ef8a50b4cdd9a84 , name: 'John', address: 'Highway 71'}, , did you try this way var ObjectId = require('mongodb').ObjectId; user_collection.find("_id":$in: ["55efa50a6f002c766e8b4571", ..., I just used this code in Node.js app in controller file, and it works: var ObjectId ... Using this method you simply query using the mongo id., ObjectID(theidID); collection.update('_id': o_id});.,findOne is a convinence method finding and returning the first match of a query ... query is a query object or an _id value; fields - indicates which fields should be ... , The MongoDb is an object not a string. To convert my string I used: var id = require('mongodb').ObjectID(doc._id); This converts my string into a mongo ObjectId and matches the _id in the db!
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 node js mongodb find _id 相關參考資料
Express MongoDB find() based on _id field - Stack Overflow
db.collection('articles') .find( "_id.$oid": id} ) . or even more specific: db.collection('articles') .findOne( "_id.$oid": id} ) . EDIT: Converting string ..... https://stackoverflow.com Find mongodb document by _id nodejs mongodb native - Stack Overflow
It looks like you are mixed up about the parameters the find method takes. It does not appear to take a callback directly, but has, instead, ... https://stackoverflow.com findById returns no results even with correct ObjectId · Issue #3079 ...
(Fails on MongoDB v2.6.4, NodeJS v0.10.31 with Mongoose versions 4.0.2, ... findOne( _id: '55822f34a8394683dd015888' }); // returns null ... https://github.com How do you find by id using the MongoDB Node driver? - Stack Overflow
The _id field is already indexed, and findByID implicitly searches for one document, hence, findOne where you'll pass options _id: id} as you're ... https://stackoverflow.com Node.js MongoDB Find - W3Schools
In MongoDB we use the find and findOne methods to find data in a collection. Just like the ... C:-Users-Your Name>node demo_mongodb_findone.js. Which will give ... _id: 58fdbf5c0ef8a50b4cdd9a84 , n... https://www.w3schools.com Node.js MongoDB Find all by _id - Stack Overflow
did you try this way var ObjectId = require('mongodb').ObjectId; user_collection.find("_id":$in: ["55efa50a6f002c766e8b4571", ... https://stackoverflow.com node.js mongodb select document by _id node-mongodb-native - Stack ...
I just used this code in Node.js app in controller file, and it works: var ObjectId ... Using this method you simply query using the mongo id. https://stackoverflow.com node.js mongodb select document by _id node-mongodb-native ...
ObjectID(theidID); collection.update('_id': o_id});. https://stackoverflow.com Queries — MongoDB Node.JS Driver 1.4.9 documentation
findOne is a convinence method finding and returning the first match of a query ... query is a query object or an _id value; fields - indicates which fields should be ... https://mongodb.github.io Querying a MongoDB based on Mongo ID in a node.js app - Stack Overflow
The MongoDb is an object not a string. To convert my string I used: var id = require('mongodb').ObjectID(doc._id); This converts my string into a mongo ObjectId and matches the _id in the db! https://stackoverflow.com |