WebAug 10, 2012 · Automatically remove referencing objects on deletion in MongoDB. var Person = new Schema ( { name: String }); var Assignment = new Schema ( { name: String, person: ObjectID }); If I delete a person, there can still be orphaned assignments left that reference a person that does not exist, which creates extraneous clutter in the database. WebNov 5, 2024 · The deleteMany () function is how you can delete multiple documents from a collection using Mongoose. It takes up to two parameters: condition, what a document should contain to be eligible for deletion. You can omit this property to delete all documents in the model. options, other configurable parameters, like session or writeConcern.
node.js - Mongoose delete multiple data at once - Stack Overflow
WebJul 22, 2024 · (1) Model.findByIdAndRemove only expects the ID (not the condition) i.e. Users.findByIdAndRemove (req.params.id) instead of Users.findByIdAndRemove ( { _id: req.params.id }) (2) Model.remove 's callback does not have a second argument in Projects.remove ( { userId: req.params.id }).then (function (err, project) {. WebTypically you will have one project mapped to one assignment and similarly one assignment mapped to one project. what you can do here is removing a project and then find the associated project in assignment model and remove their references. delete: function (req, res) { return Project.findById (req.params.id, function (err, project) { return ... jashawn nyjee coleman death
Pandabot/deleteWorld.ts at master · garonfok/Pandabot · GitHub
WebOct 19, 2024 · Sorted by: 3 deleteOne operates at the document level, so your code will delete the first User document that contains a customer element with a matching _id. Instead, you want update the user document (s) to remove a specific element from the customer array field using $pull. To remove the customer from all users: WebNov 28, 2016 · 0. I have found a simple way for achieving this task.We can use async and await concept,this is make the code less complicated. const getDeletedData = async (filter) => { const products = await collection.find ( {filter}); await collection.deleteMany ( {filter}); return products; } then you can call getDeletedData ( {name : "xyz"}) with the filter. WebDec 2, 2024 · In the mongoose docs it says "Model.deleteOne () does not trigger pre ('remove') or post ('remove') hooks." There is solution if you can refactor your delete operations with findByIdAndDelete, it triggers the findOneAndDelete middleware, So we can add this middleware to Project Schema. Project model: jashawn scott