Gqlgen: Panic if type name "Subscription"

[Yamashou]

What happened?

A panic occurs if define type of Subscription

type Subscription implements Node {
    id: ID!
    userID: ID!
    name: String!
    deadline: Int!
    createdAt: Int!
    updatedAt: Int!
}

type Query {
    findSubscription(name:String!): Subscription
}

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x130447d]

goroutine 1 [running]:
github.com/99designs/gqlgen/codegen/config.(*TypeReference).IsPtr(...)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/codegen/config/binder.go:255
github.com/99designs/gqlgen/codegen.(*builder).buildField(0xc0002dd5d0, 0xc000627600, 0xc000167c00, 0x0, 0x1b189e0, 0x0)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/codegen/field.go:70 +0x35d
github.com/99designs/gqlgen/codegen.(*builder).buildObject(0xc0002dd5d0, 0xc0001d6900, 0x1618581, 0x6, 0x0)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/codegen/object.go:73 +0x4ec
github.com/99designs/gqlgen/codegen.BuildData(0xc0001b8000, 0x16fbc60, 0x1b17d80, 0x0)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/codegen/data.go:89 +0x4a7
github.com/99designs/gqlgen/api.Generate(0xc0001b8000, 0x0, 0x0, 0x0, 0x0, 0xc0000a2006)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/api/generate.go:41 +0x276
github.com/99designs/gqlgen/cmd.glob..func1(0xc0001b6000)
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/cmd/gen.go:39 +0xa2
github.com/urfave/cli.HandleAction(0x1553e60, 0x1659b50, 0xc0001b6000, 0xc0001b6000, 0x0)
        /Users/foo/go/pkg/mod/github.com/urfave/[email protected]/app.go:525 +0x127
github.com/urfave/cli.Command.Run(0x161d37a, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1649e4f, 0x29, 0x0, ...)
        /Users/foo/go/pkg/mod/github.com/urfave/[email protected]/command.go:174 +0x521
github.com/urfave/cli.(*App).Run(0xc000102540, 0xc00000e080, 0x2, 0x2, 0x0, 0x0)
        /Users/foo/go/pkg/mod/github.com/urfave/[email protected]/app.go:276 +0x729
github.com/99designs/gqlgen/cmd.Execute()
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/cmd/root.go:40 +0x224
main.main()
        /Users/foo/go/pkg/mod/github.com/99designs/[email protected]/main.go:8 +0x20



md5-20ab21bc7f1ac310794f84b20e4d5371



type Subscription {
    id: ID!
    userID: ID!
    createdAt: Int!
    updatedAt: Int!
}

versions

• gqlgen version?
  v0.10.2
• go version?
  go version go1.12.9 darwin/amd64
• dep or go modules?
  go modules

[keithmattix]

Subscription is a reserved GraphQL type, and thus, the error you're facing is likely due to the code generator failing to process the duplication. I believe an error is desired, but errors like this could stand to have a more specific message.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.