Hi, I'm having issues using a many-to-many self-relation similar to the example used in the Prisma docs. I'm running into an error when creating a record along with its relation. The error I'm getting is this.

PrismaClientValidationError: Unknown arg `follower` in data.followers.create.0.follower for type FollowsCreateWithoutFollowerInput. Did you mean `following`?
 Argument following for data.followers.create.0.following is missing.

I posted this question with more details on stackoverflow https://stackoverflow.com/questions/70520589/prisma-many-to-many-self-relation-error-due-to-relation-and-generated-type-inpu If anyone has any ideas I would greatly appreciate it. Thanks in advance.

did u try to use

connectOrCreate

?

I just tried and am getting the same error.

i am building the model and i am trying the same query , just a moment

I think the gist of the issue is that the

followers

relationship on the

Follows

table generates a

FollowsCreateWithoutFollowerInput

and I don't believe that makes sense. It should create a

FollowsCreateWithoutFollowingInput

since when a

Person

has

followers

then they are the

following

(the one being followed) and we just don't know who the

follower

is, so the input should contain the value for the

follower

i am just curios why do u need to create person then add followers to the same person !

i am just curios why do u need to create person then add followers to the same person !

I want to add that person's followers, (the people that are following that person). If your question is why would I want that. I can switch the example around to something more intuitive. Where I create a person and add who they're

following

. I would still get the same error.

could you please try this !

That works, but I'm trying to add

followerId: 1

not

followingId

. When adding

followers

, the created person is the one being followed (followingId). So I don't need to input that id, I already know it.

could you please tell me what you are trying to do here

Create a person and add followers to them.

okay ... but what you are trying to do will violate the relationship if i am not mistaken !

That seems to be the case, but my question is why. It doesn't make sense. Shouldn't I be able to create a Person and add to them people they follow, by inputting the id of the Person they want to follow? The way prisma is set up it allows me to add people they want to follow by inputting the follower (which is the currently created person.) this doesn't make sense to me. I must be missing something fundamental.

Here is an example what you can do after creating a user !

const person1 = await prisma.person.create({
    data: {
      name: 'Jone Doe1',
      following: {
        create: {
          followerId: 1,
        },
      },
    },
  });

OR

const person2 = await prisma.person.create({
    data: {
      name: 'Jone Doe2',
      followers: {
        create: {
          followingId: 1,
        },
      },
    },
  });
  return { person1, person2 };

In your first example when creating

following

why would I input the

followerId

, the current person is the follower. I want to input the

followingId

. Is what I'm saying making sense?

@Shmuel After testing your example this seems to be a bug in Prisma.

Thanks @Yaakov and @Muhannad I added a bug report https://github.com/prisma/prisma/issues/10901