Mongoose save not updating I believe you might also need to call markModified on the array you are updating. so what this means is to save nested array/object properties (Item in your case), you need to be explicit in specifying the change . Mar 21, 2025 · The Mongoose save() Method is a powerful tool for inserting and updating documents in MongoDB. Learn how to resolve the common `. do not execute save() middleware. This is done using the save() method. If you need save middleware and full validation, first query for the document and then save() it. Suppose we have a schema and model defined as: var userSchema = new mongoose. Note that update(), updateMany(), findOneAndUpdate(), etc. then(res. model('collectionName', userSchema); When you modify a nested property on a document, mongoose may not be aware that anything changed, so it won't know to persist the changes in the DB (otherwise it would have to pass everything, which could become expensive if you have a large document but only a tiny part of it changed). Using save() Below is an example of using save() to update Jon Snow's title. Mar 4, 2024 · While this approach may seem intuitive, it can lead to unexpected behavior because Mongoose's save method may not update nested arrays as expected. In this article, we will see its uses and see the things we should keep in mind while saving our document. virtual('updated') Process-2. connection. The returned value 1 means connected, 0 means not connected and 2 means connecting. Schema({ _id: mongoose. However, there are some cases where you need to use findOneAndUpdate(). It does it correctly in the code (as in, it updates the value in the locally fetched document,) but when I try to save it via await mongoUser. save(). 10. save(), it is not updated in mongo. There are several ways to update a document in Mongoose, but save() is the most fully featured. The findOneAndUpdate() function in Mongoose has a wide variety of use cases. I've console logged that the list. 6. Mongoose 4. save is not a function` error in Mongoose, particularly when updating a record. 14. realized this is because there is no subdocument in the model along with optimistic concurrency not being activated. Along with the model. I have searched online but most of the answers are about updating on the existing one document. model('Thing', ThingSchema) export default Thing The first time I created such a document and saved it in the DB I set a name: 'something' and a traits: { propA: 1, propB: 2 } and everything was May 4, 2019 · I am trying to update a MongoDB document using mongoose find and then save function. save()` function in Mongoose for updating MongoDB records effectively. Schema. 0 introduced distinct hooks for these functions. so no need schema. readyState. My prefered method of checking if it connects is by using the code. Pre and post save() hooks are not executed on update(), findOneAndUpdate(), etc. Modified 7 years, 9 months ago. Mongoose first casts values to the specified type and then validates them. May 22, 2020 · The save() isn't updating the existing document on the DB side. Mar 28, 2017 · mongoose. If you use update(), findOneAndUpdate(), etc. Viewed 398 times 0 . Ask Question Asked 7 years, 9 months ago. added createdDate and updatedDate with Date type in your schema and update these date fields using schema plugin. ObjectId, userID: Number, name: String }); var Users = mongoose. Instead, you should use Mongoose's findOneAndUpdate method, which is designed to update documents directly in the database and can handle nested arrays more effectively. This is good for atomicity. It will not update the model with a new object. . Dec 21, 2021 · I tried to update part of a document that has an array. Working with save() save() is a method on a Mongoose document. save() on the model it does not save the changes in the nested document. js version 19. now) The code works on my machine but when I run the same code on AWS (ubuntu EC2) the same code doesn't function. pre ('find', function { console. 0 mongoose: 3. markModified("polls"); user. 1 Jul 25, 2016 · For anyone else having this issue, your model's _id SchemaType must be of type ObjectId. 5. By using save() , we can ensure that data is validated and correctly inserted into your database, all while supporting powerful features like middleware hooks for pre- and post-save actions. schema. findOneAndUpdate() What's the difference between these 4 ways? Let's take a look at what each of these functions do. ) We used $inc operator provided by MongoDB, to update Oct 11, 2023 · mongoose debug does not have the __v fields incrementing on . Here is where I am calling I have nested arrays of documents, and when I change them and do a . 0 express: 3. save(), write queries, using `updateOne` method (I know it sucks but on the bright side bank is not angry with you anymore. vendors array of objects is, indeed, being changed, but save() isn't doing the saving. save() function in mongoose this allows mongoose to do a full validation even one that relies on other values in the json. I use the following to do an update using mongoose and a deep merge of json objects. 0 MongoDB server version 7. It let me to change the name, but if I leave it empty on the form, mongoose doesn't validate and save an empty name. ---This video is based on the question https: Jul 4, 2019 · Mongoose only updates the version key when you use save(). Discover alternative methods for ensuring y Mar 5, 2022 · Instead of using . I was able to retrieve the object I was looking for, but for some reason I wasn’t able to update it. log( mongoose. Discover how to resolve issues with the `. 0. You should use save() to update a document unless you have a good reason not to. All field values get updated and saved to new ones EXCEPT the field with Date type (default: Date. Hot Network Questions Difficulty understanding benefit of Separation of Concerns Repeated reachability in a directed graph with . mongoose. I ended up adding a pre save hook to update the version if the document was modified. I am trying to update a document in a collection (units) using GUI and after it gets updated I want to update the value (user. We will take the help of an example to understand the save() operation. EDIT: A note on the manner of using save, this format doesn't work either: list. 4. I am using mongoose Oct 11, 2023 · Prerequisites I have written a descriptive issue title I have searched existing issues to ensure the bug has not already been reported Mongoose version 7. updateOne() and updateMany() Document#updateOne() Model. connect( connectionURL, {useNewUrlParser: true, useUnifiedTopology: true}, => console. It's important to note that on save, Mongoose internally diffs the document and only sends the fields that have actually changed. readyState ) ); Mar 9, 2014 · A Mongoose update translates into a MongoDB update but a Mongoose save is converted into either a MongoDB insert (for a new document) or an update. save(); Aug 9, 2024 · An important aspect of a mongoose model is to save the document explicitly when changes have been made to it. You can see a more detailed discussion why in this GitHub issue. You should use save() to update documents where possible, for better validation and middleware support. for this schema timestmps will update on save(), update() and findOneAndUpdate(). 1. Here are my models and schemas (some ommited for brevity): var Votes = new mongoose. Mar 28, 2017 · I’ve tried using $elemMatch before and I never got it to work. Jul 27, 2015 · I came across this frustrating situation and was a little surprised by the documented solution from Mongoose's website. Schema({ dat Apr 15, 2022 · import Mongoose from 'mongoose' const ThingSchema = new Mongoose. Mongoose will not update the version key but it not worked when i use save method to update __v value. Oct 16, 2018 · I am trying to add new data into a user model and have had a hard time trying to get findByIdAndUpdate() to work. like: Jun 9, 2015 · Mongoose pre save not update field. updateOne call after updating all of the properties of the object. I hear this is a big no-no in mongoose but am unaware how I can force it to update the array. So it would be something like: user. Validating Documents are casted and validated before they are saved. 0 node: 0. update() is best for bulk updates where you don't need to work with… May 9, 2015 · Mongoose aborts the save since number is required but not defined and no console. json(list)); Feb 19, 2017 · to build on what Martin Kuzdowicz posted above. Here's a list: Document#save() Model. If I add empty spaces before and after the name, it save the name with spaces. May 7, 2017 · mongoose find and save not updating the document. markModified('Item') May 2, 2019 · Mongoose has 4 different ways to update a document. 1 Node. Units which is an array of Unit names) in collection (users). In this tutorial, you'll see how to use findOneAndUpdate(), and learn when you need to use it. Schema({ name: { type: String }, traits: { type: Object } }) const Thing = Mongoose. Feb 10, 2024 · In summary, save() is used for creating new documents or updating existing ones and involves document validation and middlewares. log (this instanceof mongoose. log() Mongoose - passing parameters to pre save - does not work in update save. 2 Typescript version (if appl Mar 30, 2019 · In mongoose, is there one line code that can save the document if it does not exist otherwise DON'T update the existing one. Here is my schema code Jun 1, 2020 · Mongoose's save() function is one way to save the changes you made to a document to the database. Why mongoose validate on save but not on update? I'm doing it in the wrong way? mongodb: 2. gmjaq ebggv ujqdwvl aomva suidkf bli ypdfj fxdyxi jkbiig jgmmm vgkgz ojdf lkqarv ljfri fspxt