mongodb findmany
model.find({
'_id': { $in: [
mongoose.Types.ObjectId('4ed3ede8844f0f351100000c'),
mongoose.Types.ObjectId('4ed3f117a844e0471100000d'),
mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
]}
}, function(err, docs){
console.log(docs);
});findbyid mongoose
// Find the adventure with the given `id`, or `null` if not found
await Adventure.findById(id).exec();
// using callback
Adventure.findById(id, function (err, adventure) {});
// select only the adventures name and length
await Adventure.findById(id, 'name length').exec();findone mongoose
// Find one adventure whose `country` is 'Croatia', otherwise `null`
await Adventure.findOne({ country: 'Croatia' }).exec();
// using callback
Adventure.findOne({ country: 'Croatia' }, function (err, adventure) {});
// select only the adventures name and length
await Adventure.findOne({ country: 'Croatia' }, 'name length').exec();mongoose where
exports.generateList = function (req, res) {
subcategories
.find({})//grabs all subcategoris
.where('categoryId').ne([])//filter out the ones that don't have a category
.populate('categoryId')
.where('active').equals(true)
.where('display').equals(true)
.where('categoryId.active').equals(true)
.where('display').in('categoryId').equals(true)
.exec(function (err, data) {
if (err) {
console.log(err);
console.log('error returned');
res.send(500, { error: 'Failed insert' });
}
if (!data) {
res.send(403, { error: 'Authentication Failed' });
}
res.send(200, data);
console.log('success generate List');
});
};findone mongoose
A.findOneAndUpdate(conditions, update, options, callback) // executes
A.findOneAndUpdate(conditions, update, options) // returns Query
A.findOneAndUpdate(conditions, update, callback) // executes
A.findOneAndUpdate(conditions, update) // returns Query
A.findOneAndUpdate() // returns Queryfindone mongoose
Model.findById(id, function (err, doc) {
if (err) ..
doc.name = 'jason bourne';
doc.save(callback);
});Copyright © 2021 Codeinu
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