Alembic Migration Patterns FAQs

Question 1

Does it improve migration rollbacks?

Accepted Answer

Yes, it specifically manages the correct order of operations in downgrade functions, such as dropping constraints before tables, to ensure rollbacks succeed.

Question 2

How does it handle Enum types in migrations?

Accepted Answer

The skill automatically adds logic to create or drop custom Enum types during both the upgrade and downgrade processes, preventing orphaned types in the database.

Question 3

What commands are available for migrations?

Accepted Answer

You can use /migrate:create to generate migrations with auto-fixes and /migrate:check to run a full analysis on your migration files via the migration-reviewer agent.

Question 4

What does the Alembic Patterns skill do?

Accepted Answer

It provides Claude with specific logic to handle complex Alembic migration scenarios that standard autogeneration often misses, such as automated Enum cleanup and constraint ordering.

Question 5

Can it help with existing data during a schema change?

Accepted Answer

Yes, it includes patterns for safe batch updates when changing column constraints, ensuring that data is correctly migrated before NOT NULL constraints are applied.

Alembic Migration Patterns

Key Features

Use Cases

Alembic Migration Patterns

Key Features

Use Cases