Generate reversible up and down migration scripts with rollback plans.
npx skills add https://github.com/maggit/claude-workspace --skill migration-maggit
Please help me install this Agent Skill. Skill: migration Source: https://github.com/maggit/claude-workspace/tree/main/skills/migration Command: npx skills add https://github.com/maggit/claude-workspace --skill migration-maggit
Generates safe, reversible migrations to manage schema changes, data transformations, and code refactors with minimal downtime and rollback guarantees.
Generate a reversible migration to add a nullable status column to users and backfill existing records.
High-intent search queries and answers about installing and using this skill.
Reversible database migrations require paired up and down scripts with transactional safety. Generating them involves creating staged schema changes, ensuring idempotence, and outlining clear rollback plans to guarantee safe execution.
Backfilling records when adding a nullable database column requires a staged migration plan. You generate an up migration to add the column, followed by a separate script to backfill existing records while maintaining zero-downtime.
Yes, this approach works with frameworks like Prisma, Alembic, and Rails. It automatically detects the target migration framework and relevant migration files to produce compatible, transactional up and down scripts.
The best way to ensure zero-downtime during a production database schema change is using a staged migration plan with backfill strategies. This method applies transactional safety and idempotent scripts to prevent lock-ups.
To make data migration scripts idempotent and safe to re-run, you must include safety checks within the migration logic. Generating scripts with built-in transactional safety and descriptive naming ensures operations can execute repeatedly without duplicate data.
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