node.js - Mongoose fineOne does not work but find does -

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findone gets undefined in result:

upload.findone({_id: req.params.id}, function (err, upload) {   if (err || !upload) return;   console.log(upload.name); /* empty string */ });

however using find instead result:

upload.find({_id: req.params.id}, function (err, upload) {   upload = upload[0];   if (err || !upload) return;   console.log(upload.name); /* prints out expected */ });

i confirmed in both cases mongo query run , through mongodb shell both returned expected result:

mongoose: uploads.findone({ _id: objectid("57196fced4595c2a09146891") }) { fields: undefined } mongoose: uploads.find({ _id: objectid("57196f0a8d2055520894d5a4") }) { fields: undefined }

mongoose model:

const uploadschema = new schema ({   name: {type: string, default: '', trim: true},   mimetype: {type: string, default: '', trim: true} });  uploadschema.path('name').required(true, 'name cannot blank.'); uploadschema.path('mimetype').required(true, 'mimetype cannot blank.');  module.exports = mongoose.model('upload', uploadschema);

what doing wrong?

node version: 5.10. 1, mongoose version: 4.4.10

thanks in advance!


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