Mongoose date now

I am struggling to assign a default value for a field living in my model. As per your doci can assign a static value.

Mongoose schemas support a timestamps option. If you set timestamps: true , Mongoose will add two properties of type Date to your schema:. Mongoose will then set createdAt when the document is first inserted, and update updatedAt whenever you update the document using save , updateOne , updateMany , findOneAndUpdate , update , replaceOne , or bulkWrite. The createdAt property is immutable, and Mongoose overwrites any user-specified updates to updatedAt by default. For the purposes of these docs, we'll always refer to createdAt and updatedAt. But you can overwrite these property names as shown below. Set timestamps: false to skip setting timestamps for that particular operation.

Mongoose date now

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. Do you want to request a feature or report a bug? BUG or is this expected behavior? If the current behavior is a bug, please provide the steps to reproduce. With a schema containing a field of type Date in this case created , after retrieving a document with the schema this Date field will actually hold a String value even if a Date value was put in when saving. What is the expected behavior? What are the versions of Node. Note that "latest" is not a version. The text was updated successfully, but these errors were encountered:. EDIT: I'm just silly for thinking any library is going to return a Date object instead of a string for something that's going to be sent over the network. I'll deal with this issue on the frontend; sorry for the bother!

When you create a user documentMongoose will cast the value to a native JavaScript date using the Date constructor. As brycelund pointed out, mongoose date now schemaType default property can hold either a value or a function.

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. When I create a new document with the aforementioned schema the date that is placed in the database is always the same and corresponds to the start time of the current process. It feels like when indexed the now function is called when the schema is created and reused for every newly created documents. Is this something that makes sense?

Mongoose schemas have a timestamps option that tells Mongoose to automatically manage createdAt and updatedAt properties on your documents. For example, here's how you can enable timestamps on a User model. When you enable timestamps, Mongoose adds createdAt and updatedAt properties to your schema. By default, createdAt and updatedAt are of type Date. When you update a document , Mongoose automatically increments updatedAt. Specific mongoose model write operations allow you to skip timestamps provided that timestamps were set in the schema.

Mongoose date now

Managing dates and times is an essential aspect of data modeling in any database system. In MongoDB, date formatting and manipulation can be both versatile and complex. From the simplest usage of Date fields to more advanced techniques such as querying and indexing date fields, you will come away with a robust understanding of handling datetime in Mongoose effectively. Mongoose serves as a powerful bridge between MongoDB and the Node. It becomes especially important to consider this behavior when working across different time zones and storing data that needs a standardized format, such as UTC. To maximize the functionality and avoid common pitfalls with Date types in Mongoose, your schemas need to be defined accurately, and operations regarding dates—such as sorting, formatting, and querying—need to be handled with care. However, often applications need to automatically record the creation and modification times of a document.

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Keep in mind that createdAt and updatedAt for subdocuments represent when the subdocument was created or updated, not the top level document. An invalid date will lead to a CastError when you validate the document. All reactions. First, Mongoose looks for a valueOf function on the given object, and calls valueOf before casting the date. The createdAt property is immutable, and Mongoose overwrites any user-specified updates to updatedAt by default. Thanks for your message and welcome to our community! Jump to bottom. These validators will report a ValidatorError if the given date is strictly less than min or strictly greater than max. It feels like when indexed the now function is called when the schema is created and reused for every newly created documents. Skip to content.

Returns a date either as a string or as a Date object. The date can contain a date and a time, known as a datetime. The UTC datetime stores an unsigned bit integer value, indicating the number of milliseconds after the Unix epoch January 1st, at UTC.

Already have an account? These validators will report a ValidatorError if the given date is strictly less than min or strictly greater than max. Thanks for your message and welcome to our community! With this change, each time you create a new doc, the default function will be called and a new Date will be returned as the default. Sorry, something went wrong. MongoDB supports querying by date ranges and sorting by dates. Already have an account? Is this something that makes sense? Working With Dates. Have a question about this project? Sign up for free to subscribe to this conversation on GitHub. The createdAt property is immutable, and Mongoose overwrites any user-specified updates to updatedAt by default. So, for example, if you want to only set updatedAt if a new document is created, you can disable the updatedAt timestamp and set it yourself as shown below:. Here's some examples of querying by dates, date ranges, and sorting by date:.