Schema migration plan
Skill jukrap/ai-agent-playbook/skills/database/schema-migration-plan
Reusable AI agent skills, project templates, and guardrails for safer software maintenance and delivery.
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Use when planning or reviewing database schema migrations, DDL, indexes, constraints, defaults, nullability, seeds, views, triggers, or expand/contract rollout.
SKILL.md
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Schema Migration Plan
Use this as the primary database skill for migration order, rollout compatibility, and rollback planning.
Workflow
- Identify owners, readers, writers, deployment order, expected volume, compatibility window, and rollback needs.
- Classify each change as additive, compatible, destructive, backfill, constraint, index, seed, view, trigger, or procedure work.
- Plan expand/contract steps, dual-read/write compatibility, lock scope, backfill batches, and post-deploy checks.
- Verify with migration dry runs, before/after queries, application compatibility checks, and rendered consumer checks when available.
Reference
Read references/migration-order-and-rollback.md for expand/contract, backfill, rollback, and destructive-change planning.
Read references/lock-and-deployment-window.md for lock scope, deployment window, batching, and operational stop conditions.