model InvoiceContact {
  // Relations
  invoice   Invoice @relation(fields: [invoiceId], references: [id], onDelete: Cascade, onUpdate: Cascade)
  invoiceId String

  contact   Contact @relation(fields: [contactId], references: [id], onDelete: Cascade, onUpdate: Cascade)
  contactId String

  @@id([invoiceId, contactId])
}

model InvoiceContact {
  // Relations
  invoice   Invoice @relation(fields: [invoiceId], references: [id], onDelete: Cascade, onUpdate: Cascade)
  invoiceId String

  contact   Contact @relation(fields: [contactId], references: [id], onDelete: Cascade, onUpdate: Cascade)
  contactId String

  @@id([invoiceId, contactId])
}