diff --git a/codegen/codegen_test.go b/codegen/codegen_test.go
index ebe1bf16418..7135f996ac0 100644
--- a/codegen/codegen_test.go
+++ b/codegen/codegen_test.go
@@ -18,6 +18,10 @@ func TestGenerateServer(t *testing.T) {
 		id: Int
 		fist_name: String
 	}
+	enum Status {
+		OK
+		ERROR
+	}
 `
 	serverFilename := "gen/" + name + "/server/server.go"
 	cfg := Config{
@@ -42,4 +46,30 @@ func TestGenerateServer(t *testing.T) {
 
 	_, err = conf.Load()
 	require.NoError(t, err)
+
+	t.Run("list of enums", func(t *testing.T) {
+		conf = loader.Config{}
+		conf.CreateFromFilenames("gen/"+name, "gen/"+name+"/model.go")
+
+		program, err := conf.Load()
+		require.NoError(t, err)
+
+		found := false
+
+		for _, c := range program.Created {
+			for ident := range c.Defs {
+				if ident.Name == "AllStatus" {
+					found = true
+					break
+				}
+			}
+			if found {
+				break
+			}
+		}
+
+		if !found {
+			t.Fail()
+		}
+	})
 }
diff --git a/codegen/templates/data.go b/codegen/templates/data.go
index 7eb66cb5932..1f2d9b1923d 100644
--- a/codegen/templates/data.go
+++ b/codegen/templates/data.go
@@ -6,7 +6,7 @@ var data = map[string]string{
 	"generated.gotpl": "// Code generated by github.com/99designs/gqlgen, DO NOT EDIT.\n\npackage {{ .PackageName }}\n\nimport (\n\t%%%IMPORTS%%%\n\n\t{{ reserveImport \"context\"  }}\n\t{{ reserveImport \"fmt\"  }}\n\t{{ reserveImport \"io\"  }}\n\t{{ reserveImport \"strconv\"  }}\n\t{{ reserveImport \"time\"  }}\n\t{{ reserveImport \"sync\"  }}\n\t{{ reserveImport \"errors\"  }}\n\t{{ reserveImport \"bytes\"  }}\n\n\t{{ reserveImport \"github.com/vektah/gqlparser\" }}\n\t{{ reserveImport \"github.com/vektah/gqlparser/ast\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql/introspection\" }}\n)\n\n// NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.\nfunc NewExecutableSchema(cfg Config) graphql.ExecutableSchema {\n\treturn &executableSchema{\n\t\tresolvers: cfg.Resolvers,\n\t\tdirectives: cfg.Directives,\n\t\tcomplexity: cfg.Complexity,\n\t}\n}\n\ntype Config struct {\n\tResolvers  ResolverRoot\n\tDirectives DirectiveRoot\n\tComplexity ComplexityRoot\n}\n\ntype ResolverRoot interface {\n{{- range $object := .Objects -}}\n\t{{ if $object.HasResolvers -}}\n\t\t{{$object.GQLType}}() {{$object.GQLType}}Resolver\n\t{{ end }}\n{{- end }}\n}\n\ntype DirectiveRoot struct {\n{{ range $directive := .Directives }}\n\t{{ $directive.Declaration }}\n{{ end }}\n}\n\ntype ComplexityRoot struct {\n{{ range $object := .Objects }}\n\t{{ if not $object.IsReserved -}}\n\t\t{{ $object.GQLType|toCamel }} struct {\n\t\t{{ range $field := $object.Fields -}}\n\t\t\t{{ if not $field.IsReserved -}}\n\t\t\t\t{{ $field.GQLName|toCamel }} {{ $field.ComplexitySignature }}\n\t\t\t{{ end }}\n\t\t{{- end }}\n\t\t}\n\t{{- end }}\n{{ end }}\n}\n\n{{ range $object := .Objects -}}\n\t{{ if $object.HasResolvers }}\n\t\ttype {{$object.GQLType}}Resolver interface {\n\t\t{{ range $field := $object.Fields -}}\n\t\t\t{{ $field.ShortResolverDeclaration }}\n\t\t{{ end }}\n\t\t}\n\t{{- end }}\n{{- end }}\n\n{{ range $object := .Objects -}}\n\t{{ range $field := $object.Fields -}}\n\t\t{{ if $field.Args }}\n\t\t\tfunc {{ $field.ArgsFunc }}(rawArgs map[string]interface{}) (map[string]interface{}, error) {\n\t\t\t{{ template \"args.gotpl\" $field.Args }}\n\t\t\t}\n\t\t{{ end }}\n\t{{ end }}\n{{- end }}\n\n{{ range $directive := .Directives }}\n\t{{ if $directive.Args }}\n\t\tfunc {{ $directive.ArgsFunc }}(rawArgs map[string]interface{}) (map[string]interface{}, error) {\n\t\t{{ template \"args.gotpl\" $directive.Args }}\n\t\t}\n\t{{ end }}\n{{ end }}\n\ntype executableSchema struct {\n\tresolvers  ResolverRoot\n\tdirectives DirectiveRoot\n\tcomplexity ComplexityRoot\n}\n\nfunc (e *executableSchema) Schema() *ast.Schema {\n\treturn parsedSchema\n}\n\nfunc (e *executableSchema) Complexity(typeName, field string, childComplexity int, rawArgs map[string]interface{}) (int, bool) {\n\tswitch typeName + \".\" + field {\n\t{{ range $object := .Objects }}\n\t\t{{ if not $object.IsReserved }}\n\t\t\t{{ range $field := $object.Fields }}\n\t\t\t\t{{ if not $field.IsReserved }}\n\t\t\t\t\tcase \"{{$object.GQLType}}.{{$field.GQLName}}\":\n\t\t\t\t\t\tif e.complexity.{{$object.GQLType|toCamel}}.{{$field.GQLName|toCamel}} == nil {\n\t\t\t\t\t\t\tbreak\n\t\t\t\t\t\t}\n\t\t\t\t\t\t{{ if $field.Args }}\n\t\t\t\t\t\t\targs, err := {{ $field.ArgsFunc }}(rawArgs)\n\t\t\t\t\t\t\tif err != nil {\n\t\t\t\t\t\t\t\treturn 0, false\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t{{ end }}\n\t\t\t\t\t\treturn e.complexity.{{$object.GQLType|toCamel}}.{{$field.GQLName|toCamel}}(childComplexity{{if $field.Args}}, {{$field.ComplexityArgs}} {{end}}), true\n\t\t\t\t{{ end }}\n\t\t\t{{ end }}\n\t\t{{ end }}\n\t{{ end }}\n\t}\n\treturn 0, false\n}\n\nfunc (e *executableSchema) Query(ctx context.Context, op *ast.OperationDefinition) *graphql.Response {\n\t{{- if .QueryRoot }}\n\t\tec := executionContext{graphql.GetRequestContext(ctx), e}\n\n\t\tbuf := ec.RequestMiddleware(ctx, func(ctx context.Context) []byte {\n\t\t\tdata := ec._{{.QueryRoot.GQLType}}(ctx, op.SelectionSet)\n\t\t\tvar buf bytes.Buffer\n\t\t\tdata.MarshalGQL(&buf)\n\t\t\treturn buf.Bytes()\n\t\t})\n\n\t\treturn &graphql.Response{\n\t\t\tData:       buf,\n\t\t\tErrors:     ec.Errors,\n\t\t\tExtensions: ec.Extensions,\t\t}\n\t{{- else }}\n\t\treturn graphql.ErrorResponse(ctx, \"queries are not supported\")\n\t{{- end }}\n}\n\nfunc (e *executableSchema) Mutation(ctx context.Context, op *ast.OperationDefinition) *graphql.Response {\n\t{{- if .MutationRoot }}\n\t\tec := executionContext{graphql.GetRequestContext(ctx), e}\n\n\t\tbuf := ec.RequestMiddleware(ctx, func(ctx context.Context) []byte {\n\t\t\tdata := ec._{{.MutationRoot.GQLType}}(ctx, op.SelectionSet)\n\t\t\tvar buf bytes.Buffer\n\t\t\tdata.MarshalGQL(&buf)\n\t\t\treturn buf.Bytes()\n\t\t})\n\n\t\treturn &graphql.Response{\n\t\t\tData:       buf,\n\t\t\tErrors:     ec.Errors,\n\t\t\tExtensions: ec.Extensions,\n\t\t}\n\t{{- else }}\n\t\treturn graphql.ErrorResponse(ctx, \"mutations are not supported\")\n\t{{- end }}\n}\n\nfunc (e *executableSchema) Subscription(ctx context.Context, op *ast.OperationDefinition) func() *graphql.Response {\n\t{{- if .SubscriptionRoot }}\n\t\tec := executionContext{graphql.GetRequestContext(ctx), e}\n\n\t\tnext := ec._{{.SubscriptionRoot.GQLType}}(ctx, op.SelectionSet)\n\t\tif ec.Errors != nil {\n\t\t\treturn graphql.OneShot(&graphql.Response{Data: []byte(\"null\"), Errors: ec.Errors})\n\t\t}\n\n\t\tvar buf bytes.Buffer\n\t\treturn func() *graphql.Response {\n\t\t\tbuf := ec.RequestMiddleware(ctx, func(ctx context.Context) []byte {\n\t\t\t\tbuf.Reset()\n\t\t\t\tdata := next()\n\n\t\t\t\tif data == nil {\n\t\t\t\t\treturn nil\n\t\t\t\t}\n\t\t\t\tdata.MarshalGQL(&buf)\n\t\t\t\treturn buf.Bytes()\n\t\t\t})\n\n\t\t\tif buf == nil {\n\t\t\t\treturn nil\n\t\t\t}\n\n\t\t\treturn &graphql.Response{\n\t\t\t\tData:       buf,\n\t\t\t\tErrors:     ec.Errors,\n\t\t\t\tExtensions: ec.Extensions,\n\t\t\t}\n\t\t}\n\t{{- else }}\n\t\treturn graphql.OneShot(graphql.ErrorResponse(ctx, \"subscriptions are not supported\"))\n\t{{- end }}\n}\n\ntype executionContext struct {\n\t*graphql.RequestContext\n\t*executableSchema\n}\n\n{{- range $object := .Objects }}\n\t{{ template \"object.gotpl\" $object }}\n\n\t{{- range $field := $object.Fields }}\n\t\t{{ template \"field.gotpl\" $field }}\n\t{{ end }}\n{{- end}}\n\n{{- range $interface := .Interfaces }}\n\t{{ template \"interface.gotpl\" $interface }}\n{{- end }}\n\n{{- range $input := .Inputs }}\n\t{{ template \"input.gotpl\" $input }}\n{{- end }}\n\nfunc (ec *executionContext) FieldMiddleware(ctx context.Context, obj interface{}, next graphql.Resolver) (ret interface{}) {\n\tdefer func() {\n\t\tif r := recover(); r != nil {\n\t\t\tec.Error(ctx, ec.Recover(ctx, r))\n\t\t\tret = nil\n\t\t}\n\t}()\n\t{{- if .Directives }}\n\trctx := graphql.GetResolverContext(ctx)\n\tfor _, d := range rctx.Field.Definition.Directives {\n\t\tswitch d.Name {\n\t\t{{- range $directive := .Directives }}\n\t\tcase \"{{$directive.Name}}\":\n\t\t\tif ec.directives.{{$directive.Name|ucFirst}} != nil {\n\t\t\t\t{{- if $directive.Args }}\n\t\t\t\t\trawArgs := d.ArgumentMap(ec.Variables)\n\t\t\t\t\targs, err := {{ $directive.ArgsFunc }}(rawArgs)\n\t\t\t\t\tif err != nil {\n\t\t\t\t\t\tec.Error(ctx, err)\n\t\t\t\t\t\treturn nil\n\t\t\t\t\t}\n\t\t\t\t{{- end }}\n\t\t\t\tn := next\n\t\t\t\tnext = func(ctx context.Context) (interface{}, error) {\n\t\t\t\t\treturn ec.directives.{{$directive.Name|ucFirst}}({{$directive.CallArgs}})\n\t\t\t\t}\n\t\t\t}\n\t\t{{- end }}\n\t\t}\n\t}\n\t{{- end }}\n\tres, err := ec.ResolverMiddleware(ctx, next)\n\tif err != nil {\n\t\tec.Error(ctx, err)\n\t\treturn nil\n\t}\n\treturn res\n}\n\nfunc (ec *executionContext) introspectSchema() (*introspection.Schema, error) {\n\tif ec.DisableIntrospection {\n\t\treturn nil, errors.New(\"introspection disabled\")\n\t}\n\treturn introspection.WrapSchema(parsedSchema), nil\n}\n\nfunc (ec *executionContext) introspectType(name string) (*introspection.Type, error) {\n\tif ec.DisableIntrospection {\n\t\treturn nil, errors.New(\"introspection disabled\")\n\t}\n\treturn introspection.WrapTypeFromDef(parsedSchema, parsedSchema.Types[name]), nil\n}\n\nvar parsedSchema = gqlparser.MustLoadSchema(\n\t{{- range $filename, $schema := .SchemaRaw }}\n\t\t&ast.Source{Name: {{$filename|quote}}, Input: {{$schema|rawQuote}}},\n\t{{- end }}\n)\n",
 	"input.gotpl":     "\t{{- if .IsMarshaled }}\n\tfunc Unmarshal{{ .GQLType }}(v interface{}) ({{.FullName}}, error) {\n\t\tvar it {{.FullName}}\n\t\tvar asMap = v.(map[string]interface{})\n\t\t{{ range $field := .Fields}}\n\t\t\t{{- if $field.Default}}\n\t\t\t\tif _, present := asMap[{{$field.GQLName|quote}}] ; !present {\n\t\t\t\t\tasMap[{{$field.GQLName|quote}}] = {{ $field.Default | dump }}\n\t\t\t\t}\n\t\t\t{{- end}}\n\t\t{{- end }}\n\n\t\tfor k, v := range asMap {\n\t\t\tswitch k {\n\t\t\t{{- range $field := .Fields }}\n\t\t\tcase {{$field.GQLName|quote}}:\n\t\t\t\tvar err error\n\t\t\t\t{{ $field.Unmarshal (print \"it.\" $field.GoFieldName) \"v\" }}\n\t\t\t\tif err != nil {\n\t\t\t\t\treturn it, err\n\t\t\t\t}\n\t\t\t{{- end }}\n\t\t\t}\n\t\t}\n\n\t\treturn it, nil\n\t}\n\t{{- end }}\n",
 	"interface.gotpl": "{{- $interface := . }}\n\nfunc (ec *executionContext) _{{$interface.GQLType}}(ctx context.Context, sel ast.SelectionSet, obj *{{$interface.FullName}}) graphql.Marshaler {\n\tswitch obj := (*obj).(type) {\n\tcase nil:\n\t\treturn graphql.Null\n\t{{- range $implementor := $interface.Implementors }}\n\t\t{{- if $implementor.ValueReceiver }}\n\t\t\tcase {{$implementor.FullName}}:\n\t\t\t\treturn ec._{{$implementor.GQLType}}(ctx, sel, &obj)\n\t\t{{- end}}\n\t\tcase *{{$implementor.FullName}}:\n\t\t\treturn ec._{{$implementor.GQLType}}(ctx, sel, obj)\n\t{{- end }}\n\tdefault:\n\t\tpanic(fmt.Errorf(\"unexpected type %T\", obj))\n\t}\n}\n",
-	"models.gotpl":    "// Code generated by github.com/99designs/gqlgen, DO NOT EDIT.\n\npackage {{ .PackageName }}\n\nimport (\n\t%%%IMPORTS%%%\n\n\t{{ reserveImport \"context\"  }}\n\t{{ reserveImport \"fmt\"  }}\n\t{{ reserveImport \"io\"  }}\n\t{{ reserveImport \"strconv\"  }}\n\t{{ reserveImport \"time\"  }}\n\t{{ reserveImport \"sync\"  }}\n\t{{ reserveImport \"errors\"  }}\n\t{{ reserveImport \"bytes\"  }}\n\n\t{{ reserveImport \"github.com/vektah/gqlparser\" }}\n\t{{ reserveImport \"github.com/vektah/gqlparser/ast\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql/introspection\" }}\n)\n\n{{ range $model := .Models }}\n\t{{with .Description}} {{.|prefixLines \"// \"}} {{end}}\n\t{{- if .IsInterface }}\n\t\ttype {{.GoType}} interface {\n\t\t\tIs{{.GoType}}()\n\t\t}\n\t{{- else }}\n\t\ttype {{.GoType}} struct {\n\t\t\t{{- range $field := .Fields }}\n\t\t\t\t{{- with .Description}}\n\t\t\t\t\t{{.|prefixLines \"// \"}}\n\t\t\t\t{{- end}}\n\t\t\t\t{{- if $field.GoFieldName }}\n\t\t\t\t\t{{ $field.GoFieldName }} {{$field.Signature}} `json:\"{{$field.GQLName}}\"`\n\t\t\t\t{{- else }}\n\t\t\t\t\t{{ $field.GoFKName }} {{$field.GoFKType}}\n\t\t\t\t{{- end }}\n\t\t\t{{- end }}\n\t\t}\n\n\t\t{{- range $iface := .Implements }}\n\t\t\tfunc ({{$model.GoType}}) Is{{$iface.GoType}}() {}\n\t\t{{- end }}\n\n\t{{- end }}\n{{- end}}\n\n{{ range $enum := .Enums }}\n\t{{with .Description}}{{.|prefixLines \"// \"}} {{end}}\n\ttype {{.GoType}} string\n\tconst (\n\t{{- range $value := .Values}}\n\t\t{{- with .Description}}\n\t\t\t{{.|prefixLines \"// \"}}\n\t\t{{- end}}\n\t\t{{$enum.GoType}}{{ .Name|toCamel }} {{$enum.GoType}} = {{.Name|quote}}\n\t{{- end }}\n\t)\n\n\tfunc (e {{.GoType}}) IsValid() bool {\n\t\tswitch e {\n\t\tcase {{ range $index, $element := .Values}}{{if $index}},{{end}}{{ $enum.GoType }}{{ $element.Name|toCamel }}{{end}}:\n\t\t\treturn true\n\t\t}\n\t\treturn false\n\t}\n\n\tfunc (e {{.GoType}}) String() string {\n\t\treturn string(e)\n\t}\n\n\tfunc (e *{{.GoType}}) UnmarshalGQL(v interface{}) error {\n\t\tstr, ok := v.(string)\n\t\tif !ok {\n\t\t\treturn fmt.Errorf(\"enums must be strings\")\n\t\t}\n\n\t\t*e = {{.GoType}}(str)\n\t\tif !e.IsValid() {\n\t\t\treturn fmt.Errorf(\"%s is not a valid {{.GQLType}}\", str)\n\t\t}\n\t\treturn nil\n\t}\n\n\tfunc (e {{.GoType}}) MarshalGQL(w io.Writer) {\n\t\tfmt.Fprint(w, strconv.Quote(e.String()))\n\t}\n\n{{- end }}\n",
+	"models.gotpl":    "// Code generated by github.com/99designs/gqlgen, DO NOT EDIT.\n\npackage {{ .PackageName }}\n\nimport (\n\t%%%IMPORTS%%%\n\n\t{{ reserveImport \"context\"  }}\n\t{{ reserveImport \"fmt\"  }}\n\t{{ reserveImport \"io\"  }}\n\t{{ reserveImport \"strconv\"  }}\n\t{{ reserveImport \"time\"  }}\n\t{{ reserveImport \"sync\"  }}\n\t{{ reserveImport \"errors\"  }}\n\t{{ reserveImport \"bytes\"  }}\n\n\t{{ reserveImport \"github.com/vektah/gqlparser\" }}\n\t{{ reserveImport \"github.com/vektah/gqlparser/ast\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql/introspection\" }}\n)\n\n{{ range $model := .Models }}\n\t{{with .Description}} {{.|prefixLines \"// \"}} {{end}}\n\t{{- if .IsInterface }}\n\t\ttype {{.GoType}} interface {\n\t\t\tIs{{.GoType}}()\n\t\t}\n\t{{- else }}\n\t\ttype {{.GoType}} struct {\n\t\t\t{{- range $field := .Fields }}\n\t\t\t\t{{- with .Description}}\n\t\t\t\t\t{{.|prefixLines \"// \"}}\n\t\t\t\t{{- end}}\n\t\t\t\t{{- if $field.GoFieldName }}\n\t\t\t\t\t{{ $field.GoFieldName }} {{$field.Signature}} `json:\"{{$field.GQLName}}\"`\n\t\t\t\t{{- else }}\n\t\t\t\t\t{{ $field.GoFKName }} {{$field.GoFKType}}\n\t\t\t\t{{- end }}\n\t\t\t{{- end }}\n\t\t}\n\n\t\t{{- range $iface := .Implements }}\n\t\t\tfunc ({{$model.GoType}}) Is{{$iface.GoType}}() {}\n\t\t{{- end }}\n\n\t{{- end }}\n{{- end}}\n\n{{ range $enum := .Enums }}\n\t{{with .Description}}{{.|prefixLines \"// \"}} {{end}}\n\ttype {{.GoType}} string\n\tconst (\n\t{{- range $value := .Values}}\n\t\t{{- with .Description}}\n\t\t\t{{.|prefixLines \"// \"}}\n\t\t{{- end}}\n\t\t{{$enum.GoType}}{{ .Name|toCamel }} {{$enum.GoType}} = {{.Name|quote}}\n\t{{- end }}\n\t)\n\n\tvar All{{.GoType}} = []{{.GoType}}{\n\t{{- range $value := .Values}}\n\t\t{{$enum.GoType}}{{ .Name|toCamel }},\n\t{{- end }}\n\t}\n\n\tfunc (e {{.GoType}}) IsValid() bool {\n\t\tswitch e {\n\t\tcase {{ range $index, $element := .Values}}{{if $index}},{{end}}{{ $enum.GoType }}{{ $element.Name|toCamel }}{{end}}:\n\t\t\treturn true\n\t\t}\n\t\treturn false\n\t}\n\n\tfunc (e {{.GoType}}) String() string {\n\t\treturn string(e)\n\t}\n\n\tfunc (e *{{.GoType}}) UnmarshalGQL(v interface{}) error {\n\t\tstr, ok := v.(string)\n\t\tif !ok {\n\t\t\treturn fmt.Errorf(\"enums must be strings\")\n\t\t}\n\n\t\t*e = {{.GoType}}(str)\n\t\tif !e.IsValid() {\n\t\t\treturn fmt.Errorf(\"%s is not a valid {{.GQLType}}\", str)\n\t\t}\n\t\treturn nil\n\t}\n\n\tfunc (e {{.GoType}}) MarshalGQL(w io.Writer) {\n\t\tfmt.Fprint(w, strconv.Quote(e.String()))\n\t}\n\n{{- end }}\n",
 	"object.gotpl":    "{{ $object := . }}\n\nvar {{ $object.GQLType|lcFirst}}Implementors = {{$object.Implementors}}\n\n// nolint: gocyclo, errcheck, gas, goconst\n{{- if .Stream }}\nfunc (ec *executionContext) _{{$object.GQLType}}(ctx context.Context, sel ast.SelectionSet) func() graphql.Marshaler {\n\tfields := graphql.CollectFields(ctx, sel, {{$object.GQLType|lcFirst}}Implementors)\n\tctx = graphql.WithResolverContext(ctx, &graphql.ResolverContext{\n\t\tObject: {{$object.GQLType|quote}},\n\t})\n\tif len(fields) != 1 {\n\t\tec.Errorf(ctx, \"must subscribe to exactly one stream\")\n\t\treturn nil\n\t}\n\n\tswitch fields[0].Name {\n\t{{- range $field := $object.Fields }}\n\tcase \"{{$field.GQLName}}\":\n\t\treturn ec._{{$object.GQLType}}_{{$field.GQLName}}(ctx, fields[0])\n\t{{- end }}\n\tdefault:\n\t\tpanic(\"unknown field \" + strconv.Quote(fields[0].Name))\n\t}\n}\n{{- else }}\nfunc (ec *executionContext) _{{$object.GQLType}}(ctx context.Context, sel ast.SelectionSet{{if not $object.Root}}, obj *{{$object.FullName}} {{end}}) graphql.Marshaler {\n\tfields := graphql.CollectFields(ctx, sel, {{$object.GQLType|lcFirst}}Implementors)\n\t{{if $object.Root}}\n\t\tctx = graphql.WithResolverContext(ctx, &graphql.ResolverContext{\n\t\t\tObject: {{$object.GQLType|quote}},\n\t\t})\n\t{{end}}\n\n\tout := graphql.NewFieldSet(fields)\n\tinvalid := false\n\tfor i, field := range fields {\n\t\tswitch field.Name {\n\t\tcase \"__typename\":\n\t\t\tout.Values[i] = graphql.MarshalString({{$object.GQLType|quote}})\n\t\t{{- range $field := $object.Fields }}\n\t\tcase \"{{$field.GQLName}}\":\n\t\t\t{{- if $field.IsConcurrent }}\n\t\t\t\tfield := field\n\t\t\t\tout.Concurrently(i, func() (res graphql.Marshaler) {\n\t\t\t\t\tres = ec._{{$object.GQLType}}_{{$field.GQLName}}(ctx, field{{if not $object.Root}}, obj{{end}})\n\t\t\t\t\t{{- if $field.ASTType.NonNull }}\n\t\t\t\t\t\tif res == graphql.Null {\n\t\t\t\t\t\t\tinvalid = true\n\t\t\t\t\t\t}\n\t\t\t\t\t{{- end }}\n\t\t\t\t\treturn res\n\t\t\t\t})\n\t\t\t{{- else }}\n\t\t\t\tout.Values[i] = ec._{{$object.GQLType}}_{{$field.GQLName}}(ctx, field{{if not $object.Root}}, obj{{end}})\n\t\t\t\t{{- if $field.ASTType.NonNull }}\n\t\t\t\t\tif out.Values[i] == graphql.Null {\n\t\t\t\t\t\tinvalid = true\n\t\t\t\t\t}\n\t\t\t\t{{- end }}\n\t\t\t{{- end }}\n\t\t{{- end }}\n\t\tdefault:\n\t\t\tpanic(\"unknown field \" + strconv.Quote(field.Name))\n\t\t}\n\t}\n\tout.Dispatch()\n\tif invalid { return graphql.Null }\n\treturn out\n}\n{{- end }}\n",
 	"resolver.gotpl":  "package {{ .PackageName }}\n\nimport (\n\t%%%IMPORTS%%%\n\n\t{{ reserveImport \"context\"  }}\n\t{{ reserveImport \"fmt\"  }}\n\t{{ reserveImport \"io\"  }}\n\t{{ reserveImport \"strconv\"  }}\n\t{{ reserveImport \"time\"  }}\n\t{{ reserveImport \"sync\"  }}\n\t{{ reserveImport \"errors\"  }}\n\t{{ reserveImport \"bytes\"  }}\n\n\t{{ reserveImport \"github.com/99designs/gqlgen/handler\" }}\n\t{{ reserveImport \"github.com/vektah/gqlparser\" }}\n\t{{ reserveImport \"github.com/vektah/gqlparser/ast\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/graphql/introspection\" }}\n)\n\ntype {{.ResolverType}} struct {}\n\n{{ range $object := .Objects -}}\n\t{{- if $object.HasResolvers -}}\n\t\tfunc (r *{{$.ResolverType}}) {{$object.GQLType}}() {{ $object.ResolverInterface.FullName }} {\n\t\t\treturn &{{lcFirst $object.GQLType}}Resolver{r}\n\t\t}\n\t{{ end -}}\n{{ end }}\n\n{{ range $object := .Objects -}}\n\t{{- if $object.HasResolvers -}}\n\t\ttype {{lcFirst $object.GQLType}}Resolver struct { *Resolver }\n\n\t\t{{ range $field := $object.Fields -}}\n\t\t\t{{- if $field.IsResolver -}}\n\t\t\tfunc (r *{{lcFirst $object.GQLType}}Resolver) {{ $field.ShortResolverDeclaration }} {\n\t\t\t\tpanic(\"not implemented\")\n\t\t\t}\n\t\t\t{{ end -}}\n\t\t{{ end -}}\n\t{{ end -}}\n{{ end }}\n",
 	"server.gotpl":    "package main\n\nimport (\n\t%%%IMPORTS%%%\n\n\t{{ reserveImport \"context\" }}\n\t{{ reserveImport \"log\" }}\n\t{{ reserveImport \"net/http\" }}\n\t{{ reserveImport \"os\" }}\n\t{{ reserveImport \"github.com/99designs/gqlgen/handler\" }}\n)\n\nconst defaultPort = \"8080\"\n\nfunc main() {\n\tport := os.Getenv(\"PORT\")\n\tif port == \"\" {\n\t\tport = defaultPort\n\t}\n\n\thttp.Handle(\"/\", handler.Playground(\"GraphQL playground\", \"/query\"))\n\thttp.Handle(\"/query\", handler.GraphQL({{ lookupImport .ExecPackageName }}.NewExecutableSchema({{ lookupImport .ExecPackageName}}.Config{Resolvers: &{{ lookupImport .ResolverPackageName}}.Resolver{}})))\n\n\tlog.Printf(\"connect to http://localhost:%s/ for GraphQL playground\", port)\n\tlog.Fatal(http.ListenAndServe(\":\" + port, nil))\n}\n",
diff --git a/codegen/templates/models.gotpl b/codegen/templates/models.gotpl
index db63a996ba8..651aa793e5a 100644
--- a/codegen/templates/models.gotpl
+++ b/codegen/templates/models.gotpl
@@ -59,6 +59,12 @@ import (
 	{{- end }}
 	)
 
+	var All{{.GoType}} = []{{.GoType}}{
+	{{- range $value := .Values}}
+		{{$enum.GoType}}{{ .Name|toCamel }},
+	{{- end }}
+	}
+
 	func (e {{.GoType}}) IsValid() bool {
 		switch e {
 		case {{ range $index, $element := .Values}}{{if $index}},{{end}}{{ $enum.GoType }}{{ $element.Name|toCamel }}{{end}}:
diff --git a/example/starwars/models_gen.go b/example/starwars/models_gen.go
index 4c6809ee440..07e36ad6f7a 100644
--- a/example/starwars/models_gen.go
+++ b/example/starwars/models_gen.go
@@ -44,6 +44,12 @@ const (
 	EpisodeJedi    Episode = "JEDI"
 )
 
+var AllEpisode = []Episode{
+	EpisodeNewhope,
+	EpisodeEmpire,
+	EpisodeJedi,
+}
+
 func (e Episode) IsValid() bool {
 	switch e {
 	case EpisodeNewhope, EpisodeEmpire, EpisodeJedi:
@@ -80,6 +86,11 @@ const (
 	LengthUnitFoot  LengthUnit = "FOOT"
 )
 
+var AllLengthUnit = []LengthUnit{
+	LengthUnitMeter,
+	LengthUnitFoot,
+}
+
 func (e LengthUnit) IsValid() bool {
 	switch e {
 	case LengthUnitMeter, LengthUnitFoot:
diff --git a/example/todo/models_gen.go b/example/todo/models_gen.go
index 2d7a219ac0f..6abc2273493 100644
--- a/example/todo/models_gen.go
+++ b/example/todo/models_gen.go
@@ -21,6 +21,11 @@ const (
 	RoleOwner Role = "OWNER"
 )
 
+var AllRole = []Role{
+	RoleAdmin,
+	RoleOwner,
+}
+
 func (e Role) IsValid() bool {
 	switch e {
 	case RoleAdmin, RoleOwner:
diff --git a/example/type-system-extension/models_gen.go b/example/type-system-extension/models_gen.go
index f11cbc58eed..ece1b800b2e 100644
--- a/example/type-system-extension/models_gen.go
+++ b/example/type-system-extension/models_gen.go
@@ -37,6 +37,11 @@ const (
 	StateDone   State = "DONE"
 )
 
+var AllState = []State{
+	StateNotYet,
+	StateDone,
+}
+
 func (e State) IsValid() bool {
 	switch e {
 	case StateNotYet, StateDone:
diff --git a/integration/models-go/generated.go b/integration/models-go/generated.go
index f3d8f92172d..7d4b611e83e 100644
--- a/integration/models-go/generated.go
+++ b/integration/models-go/generated.go
@@ -25,6 +25,15 @@ const (
 	DateFilterOpLte DateFilterOp = "LTE"
 )
 
+var AllDateFilterOp = []DateFilterOp{
+	DateFilterOpEq,
+	DateFilterOpNeq,
+	DateFilterOpGt,
+	DateFilterOpGte,
+	DateFilterOpLt,
+	DateFilterOpLte,
+}
+
 func (e DateFilterOp) IsValid() bool {
 	switch e {
 	case DateFilterOpEq, DateFilterOpNeq, DateFilterOpGt, DateFilterOpGte, DateFilterOpLt, DateFilterOpLte:
@@ -61,6 +70,11 @@ const (
 	ErrorTypeNormal ErrorType = "NORMAL"
 )
 
+var AllErrorType = []ErrorType{
+	ErrorTypeCustom,
+	ErrorTypeNormal,
+}
+
 func (e ErrorType) IsValid() bool {
 	switch e {
 	case ErrorTypeCustom, ErrorTypeNormal: