model UserRole {
  id         Int      @id @default(autoincrement())
  userId     Int      @map("user_id")
  roleId     Int      @map("role_id")
  createTime DateTime @default(now()) @map("create_time")
  updateTime DateTime @default(now()) @updatedAt @map("update_time")

  user User @relation(fields: [userId], references: [id])
  role Role @relation(fields: [roleId], references: [id])

  @@unique([userId, roleId])
  @@map("sys_user_role")
}