D1 migrations support nested layouts via `migrations_pattern`

You can now point wrangler d1 migrations apply at a nested migrations layout — such as the one produced by Drizzle (migrations/0001_init/migration.sql) — using the new migrations_pattern D1 binding config:

{ "d1_databases": [ { "binding": "DB", "database_name": "my-database", "database_id": "<UUID>", "migrations_dir": "migrations", "migrations_pattern": "migrations/*/migration.sql", }, ], }

migrations_pattern is a glob (relative to your Wrangler config file) used to discover migration files. It defaults to ${migrations_dir}/*.sql, so existing projects keep working unchanged. Each migration's name is recorded in the migrations table as a path relative to migrations_dir.

To learn more, visit D1's migrations documentation.