Mongodb Difference Remove() vs findOneAndDelete() vs deleteOne()
In Express and Mongodb I Want Delete Document by Id findOneAndDelete() Can Not Delete by _Id, Can Only Delete by Field! Why? Db. Collection('Quotes')...
In express and mongodb I want delete document by id findOneAndDelete() Can not delete by _id, can only delete by field ! why ?
db.collection('quotes').findOneAndDelete({name: req.body.name}, (err, result) => {
if (err) return res.send(500, err)
})
var ObjectId = require('mongodb').ObjectId;
var collection = db.collection('quotes');
collection.remove({_id: new ObjectId(req.body.id)}, function(err, result) {
if (err) {
console.log(err);
} else {
res.send('A darth vadar quote got deleted')
}
});
var mongodb = require('mongodb');
db.collection('quotes', function(err, collection) {
collection.deleteOne({_id: new mongodb.ObjectID(req.body.id)});
});
Difference of three functions?
1 Answer
In short:
findOneAndDelete()returns the deleted document after having deleted it (in case you need its contents after the delete operation);deleteOne()is used to delete a single documentremove()is a deprecated function and has been replaced bydeleteOne()(to delete a single document) anddeleteMany()(to delete multiple documents)
findOneAndDelete() should be able to delete on _id.