How to Revert the Last Migration?
Naveera A.
—You made changes to a model and made migrations, but you’ve realized it wasn’t the right thing to do and would like to revert. How can you do that without making a new migration?
How can you revert the last migration in Django?
You can reverse a migration using the migrate command with the number of the previous migration.
Let’s say you have an app called recipes.
You can see a list of all the migrations in the migrations folder or by running the following command:
python manage.py showmigrations recipes
You may have the following migrations in your recipes app:
0001_initial.py0002_recipepage.py0003_recipeindex.py
If you want to undo the 0003_recipeindex migration, you can do it like so:
python manage.py migrate recipes 0002_recipepage
You can shorten the command by leaving out the full migration name. Just use the migration number:
python manage.py migrate recipes 0002
Make sure that everything is working the way it should, then you can delete 0003_recipeindex.py.
If you want to reverse all migrations for your app, you can use the name zero, like so:
python manage.py migrate recipes zero
Keep in mind that certain irreversible operations can make a migration irreversible. If you try to reverse an irreversible migration, you will get an IrreversibleError.
You can read more about Django migrations on the official documentation.
- Syntax.fmListen to the Syntax Podcast
- Community SeriesIdentify, Trace, and Fix Endpoint Regression Issues
- ResourcesBackend Error Monitoring 101
- Listen to the Syntax Podcast
![Syntax.fm logo]()
Tasty treats for web developers brought to you by Sentry. Get tips and tricks from Wes Bos and Scott Tolinski.
SEE EPISODES
Considered “not bad” by 4 million developers and more than 100,000 organizations worldwide, Sentry provides code-level observability to many of the world’s best-known companies like Disney, Peloton, Cloudflare, Eventbrite, Slack, Supercell, and Rockstar Games. Each month we process billions of exceptions from the most popular products on the internet.
A peek at your privacy
Here’s a quick look at how Sentry handles your personal information (PII).
×Who we collect PII from
We collect PII about people browsing our website, users of the Sentry service, prospective customers, and people who otherwise interact with us.
What if my PII is included in data sent to Sentry by a Sentry customer (e.g., someone using Sentry to monitor their app)? In this case you have to contact the Sentry customer (e.g., the maker of the app). We do not control the data that is sent to us through the Sentry service for the purposes of application monitoring.
Am I included?PII we may collect about you
- PII provided by you and related to your
- Account, profile, and login
- Requests and inquiries
- Purchases
- PII collected from your device and usage
- PII collected from third parties (e.g., social media)
How we use your PII
- To operate our site and service
- To protect and improve our site and service
- To provide customer care and support
- To communicate with you
- For other purposes (that we inform you of at collection)
Third parties who receive your PII
We may disclose your PII to the following type of recipients:
- Subsidiaries and other affiliates
- Service providers
- Partners (go-to-market, analytics)
- Third-party platforms (when you connect them to our service)
- Governmental authorities (where necessary)
- An actual or potential buyer
We use cookies (but not for advertising)
- We do not use advertising or targeting cookies
- We use necessary cookies to run and improve our site and service
- You can disable cookies but this can impact your use or access to certain parts of our site and service
Know your rights
You may have the following rights related to your PII:
- Access, correct, and update
- Object to or restrict processing
- Port over
- Opt-out of marketing
- Be forgotten by Sentry
- Withdraw your consent
- Complain about us
If you have any questions or concerns about your privacy at Sentry, please email us at compliance@sentry.io.
If you are a California resident, see our Supplemental notice.