How do I handle ORM migrations in a Flask app?
An example of an AI chatbot conversation about handling ORM migrations in Flask applications.
How do I handle ORM migrations in a Flask app?
You can use Flask-Migrate, which is an extension that handles SQLAlchemy database migrations for Flask applications.
Can you show me how to set it up?
Sure! First, install Flask-Migrate using pip: pip install Flask-Migrate. Then, initialize it in your app.
What are the commands I need to run for migrations?
You typically use flask db init to create a migration repository, flask db migrate to create a migration script, and flask db upgrade to apply the migration.
Is there a way to roll back a migration?
Yes, you can use flask db downgrade followed by the migration identifier to roll back to a previous migration.
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