How does Mongoose support transactions?
Mongoose supports transactions through the use of sessions. You can start a session and then execute multiple operations within that session.
Can you give me an example of how to implement a transaction in Mongoose?
Sure! First, you need to create a session using const session = await mongoose.startSession();
. Then, you can use this session in your operations.
What happens if one of the operations fails?
If an operation fails, you can abort the transaction using session.abortTransaction()
, which will roll back all operations performed in that session.
Are there any limitations to using transactions in Mongoose?
Yes, transactions are only supported in replica sets and sharded clusters. Also, they can add some overhead, so use them judiciously.
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