107 lines
2.3 KiB
Markdown
107 lines
2.3 KiB
Markdown
# SQLite Setup
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Configure Prisma with SQLite.
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## Prerequisites
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- None (file-based)
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## 1. Schema Configuration
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In `prisma/schema.prisma`:
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```prisma
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datasource db {
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provider = "sqlite"
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}
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generator client {
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provider = "prisma-client"
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output = "../generated"
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}
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```
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## 2. Config Configuration (v7)
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In `prisma.config.ts`:
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```typescript
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import { defineConfig, env } from 'prisma/config'
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export default defineConfig({
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schema: 'prisma/schema.prisma',
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datasource: {
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url: env('DATABASE_URL'),
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},
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})
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```
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## 3. Environment Variable
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In `.env`:
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```env
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DATABASE_URL="file:./dev.db"
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```
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### Connection String Format
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```
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file:PATH
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```
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- **PATH**: Relative path to the database file (from `prisma/schema.prisma` location usually, but in v7 check `prisma.config.ts` context). Usually relative to the schema file.
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## Driver Adapter (Prisma ORM 7 required)
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Prisma ORM 7 uses the query compiler by default, so you must use a driver adapter.
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1. Install adapter and driver:
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```bash
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npm install @prisma/adapter-better-sqlite3 better-sqlite3
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```
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2. Instantiate Prisma Client with the adapter:
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```typescript
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import { PrismaClient } from '../generated/client'
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import { PrismaBetterSqlite3 } from '@prisma/adapter-better-sqlite3'
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const adapter = new PrismaBetterSqlite3({
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url: process.env.DATABASE_URL ?? 'file:./dev.db',
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})
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const prisma = new PrismaClient({ adapter })
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```
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## Using Driver Adapter (LibSQL / Turso)
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For edge compatibility or Turso:
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1. Install:
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```bash
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npm install @prisma/adapter-libsql @libsql/client
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```
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2. Instantiate:
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```typescript
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import { PrismaClient } from '../generated/client'
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import { PrismaLibSql } from '@prisma/adapter-libsql'
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const adapter = new PrismaLibSql({
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url: process.env.TURSO_DATABASE_URL,
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authToken: process.env.TURSO_AUTH_TOKEN,
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})
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const prisma = new PrismaClient({ adapter })
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```
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## Limitations
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- **No Enums**: SQLite doesn't support enums (Prisma polyfills them or treats as String).
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- **No Scalar Lists**: `String[]` is not supported directly.
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- **Concurrency**: Write operations lock the file.
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## Common Issues
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### "Database file not found"
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Ensure the path in `DATABASE_URL` is correct relative to where Prisma is running or the schema file. `file:./dev.db` creates it next to schema.
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