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();mongoose find() example
// find all documents
await MyModel.find({});
// find all documents named john and at least 18
await MyModel.find({ name: 'john', age: { $gte: 18 } }).exec();
// executes, passing results to callback
MyModel.find({ name: 'john', age: { $gte: 18 }}, function (err, docs) {});
// executes, name LIKE john and only selecting the "name" and "friends" fields
await MyModel.find({ name: /john/i }, 'name friends').exec();
// passing options
await MyModel.find({ name: /john/i }, null, { skip: 10 }).exec();mongoose find
model_Name.find({query},function(err,rs){
if(err){
console.log(err);
}
else{
console.log(rs)
}
}
//EXAMPLE
Fruit.find({name:"apple"},function(err,rs){
if(err){
console.log(err);
}
else{
console.log(rs)
}
}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 find
const query = Customer.find().sort({ name: 1 }).limit(1);
query.getOptions(); // { sort: { name: 1 }, limit: 1 }Copyright © 2021 Codeinu
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