SQL DDL から Prisma スキーマへの変換ツール（モデル・リレーション・Enum）開発者ガイド

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

generator client {
  provider = "prisma-client-js"
}

enum OrderStatus {
  PENDING
  PROCESSING
  PAID
  SHIPPED
  DELIVERED
  CANCELLED
}

enum UserRole {
  ADMIN
  CUSTOMER
  MERCHANT
}

model User {
  id           String        @id @default(uuid()) @db.Uuid
  email        String        @unique @db.VarChar(255)
  fullName     String?       @map("full_name") @db.VarChar(150)
  role         UserRole      @default("CUSTOMER")
  isVerified   Boolean       @default(false) @map("is_verified")
  metadata     Json?
  createdAt    DateTime      @default(now()) @map("created_at") @db.Timestamptz
  updatedAt    DateTime      @default(now()) @updatedAt @map("updated_at") @db.Timestamptz
  userProfile  UserProfile?
  orders       Order[]

  @@map("users")
}

model UserProfile {
  id               String   @id @default(uuid()) @db.Uuid
  userId           String   @unique @map("user_id") @db.Uuid
  avatarUrl        String?  @map("avatar_url") @db.VarChar(500)
  phoneNumber      String?  @map("phone_number") @db.VarChar(32)
  shippingAddress  String?  @map("shipping_address") @db.Text
  taxIdentifier    String?  @map("tax_identifier") @db.VarChar(64)
  user             User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@map("user_profiles")
}

model Product {
  id              Int          @id @default(autoincrement())
  sku             String       @unique @db.VarChar(64)
  title           String       @db.VarChar(200)
  description     String?      @db.Text
  unitPrice       Decimal      @default(0.00) @map("unit_price") @db.Decimal(12, 2)
  inventoryCount  Int          @default(0) @map("inventory_count")
  isActive        Boolean      @default(true) @map("is_active")
  createdAt       DateTime     @default(now()) @map("created_at") @db.Timestamptz
  orderItems      OrderItem[]

  @@index([sku])
  @@map("products")
}

model Order {
  id             String       @id @default(uuid()) @db.Uuid
  customerId     String       @map("customer_id") @db.Uuid
  orderNumber    String       @unique @map("order_number") @db.VarChar(64)
  status         OrderStatus  @default("PENDING")
  totalAmount    Decimal      @default(0.00) @map("total_amount") @db.Decimal(12, 2)
  taxAmount      Decimal      @default(0.00) @map("tax_amount") @db.Decimal(10, 2)
  shippingNotes  String?      @map("shipping_notes") @db.Text
  createdAt      DateTime     @default(now()) @map("created_at") @db.Timestamptz
  updatedAt      DateTime     @default(now()) @updatedAt @map("updated_at") @db.Timestamptz
  customer       User         @relation(fields: [customerId], references: [id], onDelete: Restrict)
  orderItems     OrderItem[]

  @@index([status])
  @@map("orders")
}

model OrderItem {
  id         Int      @id @default(autoincrement())
  orderId    String   @map("order_id") @db.Uuid
  productId  Int      @map("product_id")
  quantity   Int      @default(1)
  unitPrice  Decimal  @map("unit_price") @db.Decimal(12, 2)
  subtotal   Decimal  @db.Decimal(12, 2)
  order      Order    @relation(fields: [orderId], references: [id], onDelete: Cascade)
  product    Product  @relation(fields: [productId], references: [id], onDelete: Restrict)

  @@unique([orderId, productId])
  @@map("order_items")
}