drizzle

Structure Drizzle ORM schemas and migrations by centralizing schema.ts, drizzle.config.ts, and migration files. Enforce ULID IDs, cascade deletes, explicit foreign key indexes, and relation definitions to maintain consistent database management across TypeScript monorepos.

Configure Drizzle ORM with Cloudflare D1 and Hyperdrive by applying companion guidance for driver setup. Use drizzle.config.ts to wire connections, manage edge memoization, and execute migrations specific to Cloudflare deployments.

Manage ULID primary keys and cascade deletes in Drizzle ORM by applying standardized schema conventions. Define explicit foreign key indexes and relation definitions within schema.ts to enforce consistent data integrity rules across the project.

Run upserts and batch write operations using Drizzle ORM by utilizing db.insert, db.update, and db.delete methods. Apply object-style queries via db.query for reads, and follow documented patterns for batch workflows and migrations.

Drizzle ORM supports Cloudflare Durable Objects through specialized companion docs. The integration requires following beta-era setup conventions and utilizing provided scripts for migration flattening and edge memoization.

Drizzle ORM migrations require flattening on Cloudflare edge deployments to consolidate migration history and prevent deployment errors. Use provided companion scripts to flatten migrations and configure edge memoization for beta-era setups.