Model.find() returns empty in mongoose [duplicate]

Question

i am working upon mongoose to list all the data from a collection in a db in mongodb:

from the requests:

http://localhost:3000/listdoc?model=Organization 

i am doing the following code :

exports.listDoc = function(req, res) {     var Model = mongoose.model(req.query.model); //This is defined and returns my desired model name         Model.find().populate('name').exec(function(err, models) {             if (err) {                 res.render('error', {                     status: 500                 });             } else {                 res.jsonp(models);             }         }); }; 

I already have my entry in database But the above code returns empty. Why?

EDIT : the following code also returns empty:

exports.listDoc = function(req, res) {     var Model = mongoose.model(req.query.model);     Model.find({},function(err,models){         console.log(models);          if (err) {             res.render('error', {                 status: 500             });         } else {             res.jsonp(models);         }     }); }; 

schema used :

var Organization = mongoose.Schema({   name: String }); 

Answer 1

Your problem is mongoose pluralizes collections. Mongoose is querying "organizations" but your data is in mongodb as "organization". Make them match and you should be good to go. You can either rename it in mongodb via the mongo shell or tell mongoose about it. From the mongoose docs:

var schema = new Schema({ name: String }, { collection: 'actor' });  // or  schema.set('collection', 'actor');  // or  var collectionName = 'actor' var M = mongoose.model('Actor', schema, collectionName)