Closed
Description
Prerequisites
- I have written a descriptive issue title
- I have searched existing issues to ensure the bug has not already been reported
Mongoose version
8.2.1
Node.js version
20.11.1
MongoDB server version
4.4
Typescript version (if applicable)
No response
Description
We ran in to an issue while migrating from mongoose 6 when trying to set the path of a sub scehma to an empty object (clearing all data). The change is reflected in the local document and the modifiedPaths() says that the attribute has been changed. But the change is not saved in the database.
Steps to Reproduce
await mongoose.connect('mongodb://localhost:27017/mongoose_test');
console.log(mongoose.version);
const SubSchema = new mongoose.Schema({
name: {type: String}
}, { _id: false });
const MainSchema = new mongoose.Schema({
sub: {
type: SubSchema,
}
});
const MainModel = mongoose.model('Main', MainSchema);
const doc = new MainModel({ sub: { name: 'Hello World' } });
console.log('init', doc.sub); // { name: 'Hello World' }
await doc.save();
doc.set({ sub: {} });
await doc.save();
console.log('save', doc.sub); // {} empty as expected
const savedDoc = await MainModel.findById(doc.id).orFail();
console.log('findById', savedDoc.sub); // { name: 'Hello World' } still has old value
Expected Behavior
The change in the local document to be updated in the database.
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