Fix filter and sort arguments on interface fields

[michaelstaib]

Fixes #8461

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (a25daf5) to head (7f39931).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files

@@     Coverage Diff      @@
##   main   #9137   +/-   ##
============================
============================

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[github-actions]

Fusion Gateway Performance Results

Simple Composite Query

	Req/s	Err%
Constant (50 VUs)	2907.96	0.00%
Ramping (0-500-0 VUs)	3357.62	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.81ms	15.09ms	16.97ms	30.79ms	36.16ms	170.93ms
Ramping	0.79ms	64.30ms	66.37ms	123.65ms	138.75ms	256.88ms

query TestQuery {
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
      }
    }
  }
}

---

Deep Recursion Query

	Req/s	Err%
Constant (50 VUs)	739.07	0.00%
Ramping (0-500-0 VUs)	824.70	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	9.21ms	62.73ms	66.13ms	81.83ms	90.52ms	339.17ms
Ramping	1.84ms	254.76ms	261.57ms	517.20ms	551.51ms	670.87ms

query TestQuery {
  users {
    id
    username
    name
    reviews {
      id
      body
      product {
        inStock
        name
        price
        shippingEstimate
        upc
        weight
        reviews {
          id
          body
          author {
            id
            username
            name
            reviews {
              id
              body
              product {
                inStock
                name
                price
                shippingEstimate
                upc
                weight
              }
            }
          }
        }
      }
    }
  }
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
        reviews {
          id
          body
          product {
            inStock
            name
            price
            shippingEstimate
            upc
            weight
          }
        }
      }
    }
  }
}

---

Variable Batching Throughput

	Req/s	Err%
Constant (50 VUs)	23083.97	0.00%
Ramping (0-500-0 VUs)	18381.86	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.10ms	1.75ms	2.12ms	4.03ms	4.91ms	53.96ms
Ramping	0.10ms	9.48ms	11.50ms	23.58ms	28.40ms	112.73ms

query TestQuery($upc: ID!, $price: Long!, $weight: Long!) {
  productByUpc(upc: $upc) {
    inStock
    shippingEstimate(weight: $weight, price: $price)
  }
}

Variables (5 sets batched per request)

[
  { "upc": "1", "price": 899, "weight": 100 },
  { "upc": "2", "price": 1299, "weight": 1000 },
  { "upc": "3", "price": 15, "weight": 20 },
  { "upc": "4", "price": 499, "weight": 100 },
  { "upc": "5", "price": 1299, "weight": 1000 }
]

---

Run 22145750356 • Commit da947ec • Wed, 18 Feb 2026 16:00:14 GMT

[MarkArchitect]

There is some problem when using: new type extension API for interfaces, which allows you to add base resolvers for common functionality

With version with abstract class this works

{
    public static IEnumerable<Book> GetFakeBooks()
    {
        return [new Book() {Id=1, Title = "BookTitleTest" }
        , new Book() {Id=2, Title = "BookTitleTest2" }
        , new Book() { Id=3,Title = "BookTitleTest3" }
        , new Book() {Id=4, Title = "BookTitleTest4" }];
    }
}
 


[InterfaceType("SharedInterface")]
public abstract class ISharedInterface
{
    [UsePaging]
    [UseFiltering]
    [UseSorting]
    public IEnumerable<Book> Books(
        [Parent] ISharedInterface parent)

         => FakeData.GetFakeBooks();
}



 
public sealed class AuthorWithData : ISharedInterface
{
    public string Name { get; set; } = default!;
}


[QueryType]
public static partial class QueryWithData
{

    public static AuthorWithData GetAuthor() => new AuthorWithData { Name = "Author" };
    public static Book GetBook() => new Book { Id = 1, Title = "BookTitle" };
}

but with version with new type extension API for interfaces it does not work:

public static class FakeData
{
    public static IEnumerable<Book> GetFakeBooks()
    {
        return [new Book() {Id=1, Title = "BookTitleTest" }
        , new Book() {Id=2, Title = "BookTitleTest2" }
        , new Book() { Id=3,Title = "BookTitleTest3" }
        , new Book() {Id=4, Title = "BookTitleTest4" }];
    }
}
 
[GraphQLName("SharedInterface")]
public interface ISharedInterface
{

}

[InterfaceType<ISharedInterface>]
public static partial class BookInterfaces
{
    [UsePaging]
    [UseFiltering]
    [UseSorting]
    public static IEnumerable<Book> Books(
        [Parent] ISharedInterface parent)

         => FakeData.GetFakeBooks();
}
 
public sealed class AuthorWithData : ISharedInterface
{
    public string Name { get; set; } = default!;
}


[QueryType]
public static partial class QueryWithData
{

    public static AuthorWithData GetAuthor() => new AuthorWithData { Name = "Author" };
    public static Book GetBook() => new Book { Id = 1, Title = "BookTitle" };
}

First there is error

"errors": [
    {
      "message": "The resolver parent type of field `BooksConnection.nodes` is `<>z__ReadOnlyArray`1[HotChocolate.Template.Server.Types.Book]` but the resolver requested the type `HotChocolate.Types.Pagination.IConnection`. The resolver was unable to cast the parent type to the requested type.",
      "path": [
        "author",
        "books",
        "nodes"
      ],
      "extensions": {
        "code": "HC0053",
        "coordinate": "BooksConnection.nodes"
      }
    }
  ],

Second when i change method to get connection as in this code

[InterfaceType<ISharedInterface>]
public static partial class BookInterfaces
{
    [UsePaging]
    [UseFiltering]
    [UseSorting]
    public static async Task<Connection<Book>> Books(
        [Parent] ISharedInterface parent
        ,QueryContext<Book> query
        ,IResolverContext resolverContext)

         => await FakeData.GetFakeBooks().AsQueryable().With(query).ApplyCursorPaginationAsync(resolverContext);
}

The query predicate and sorting are null