I am facing a challenge with a simple schema model that includes one-to-many self relations. In this scenario, my goal is to create a parent entity along with its children in a single transaction. How can I accomplish this task effectively?
data-model Y{
id Number @id @default(autoincrement())
title String
childYs Y[] @relation("childY")
parentY Y? @relation("childY", fields: [parentYId], references: [id])
parentYId Number?
}
To achieve this, you can use nested create operations in your code.
import { PrismaClient } from '@prisma/client';
const prisma = new PrismaClient();
async function main() {
const createParentAndChild = await prisma.x.create({
data: {
name: 'x',
parentX: {
create: {
name: 'parentX',
},
},
childXs: {
create: {
name: 'childX',
},
},
},
});
console.log('createParentAndChild', createParentAndChild);
}
main()
.catch((e) => {
throw e;
})
.finally(async () => {
await prisma.$disconnect();
});
The response will be:
createParentAndChild { id: 2, name: 'x', parentXId: 1 }
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