What are some common scenarios for rolling back Rails migrations?
An example of an AI chatbot conversation about Rails migration rollback scenarios.
What are some common scenarios for rolling back Rails migrations?
Common scenarios include reverting a migration due to a failed deployment, fixing a bug introduced by a migration, or when a feature is no longer needed.
Can you explain how to rollback a specific migration?
Sure! You can rollback a specific migration using the command rails db:rollback STEP=n, where n is the number of migrations you want to rollback.
What happens to the data when I rollback a migration?
When you rollback a migration, the changes made by that migration are reversed. This can include dropping tables or columns, which may result in data loss.
Is there a way to preview what will happen before rolling back?
Yes, you can use rails db:migrate:status to see the status of your migrations and understand what will be affected before rolling back.
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