# Database Helper - SQLite (Cloudflare D1)

This package contains database helpers and schema definitions for Cloudflare D1.

## Structure

- `src/db/` - Database source files
  - `schema.ts` - Drizzle ORM schema definitions (SQLite)
  - `db_index.ts` - D1 database initializer and client
  - `types.ts` - Database types
  - `seed.ts` - Database seeding script
  - `porter.ts` - Data migration utilities
- `drizzle.config.ts` - Drizzle Kit configuration

## Environment Variables

Create a `.env` file with:

```
DATABASE_URL=file:./dev.db
```

## Initialization (Workers)

Use `initDb` with your D1 binding before calling helpers:

```typescript
import { initDb } from '@packages/db_helper_sqlite'

export default {
  async fetch(request: Request, env: Env) {
    initDb(env.DB)
    // ... call helper methods
  },
}
```

## Scripts

- `npm run migrate` - Generate new migration files (SQLite)
- `npm run db:push` - Push schema changes to database
- `npm run db:seed` - Run database seeding
- `npm run db:studio` - Open Drizzle Studio