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Tag: mongodb

How update and delete bulk operation in mongodb?

I’m building a taskmanagment application, where only admin can delete user. when admin delete a user, I want to assign deleted users task to the his assignby user. when I delete devid user from the db I want to assign his task to the john and save the task Answer I think you are looking for transactions to avoid loss

mongodb .find elements in an array

I have an array that dynamically holds document id’s, in which I need to query another collcetion in mongo to see if the id’s match. I have this code: however, doing “id”: { $in: array_of_docs_bought } doesn’t iterate through the array, so it returns nothing, but when I do this: let documents = await database.collection(‘documents’).find({ “id”: { $in: [ ‘g81h8’,