Is it possible to create a ticketing system where tickets are automatically cancelled after a set period of time? I plan on using MongoDB's indexing feature for deletion, but I also want to save expired tickets in a separate collection for future reference. Can MongoDB facilitate this functionality?
As of the current MongoDB version, which is 5.0.8 at the time of writing this, direct support for your specific task is not available. However, it is expected to be included in MongoDB 6.0 (refer to this jira ticket). In the meantime, there is a workaround that you can utilize.
To elaborate, what you are aiming to achieve involves:
In version 5.0.8, the change stream event will only include the _id field of the deleted document as that is the sole information currently present in the oplog.
With version 6.0, you will gain access to the previous state of the deleted document.
Nevertheless, there exists a workaround detailed by Pavel Duchovny in his blog post. By implementing his notification system, you can effectively achieve your intended functionality.
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