[#872] changed the schema required validator to be optional for auth collections

models/schema/schema.go

@@ -133,13 +133,9 @@ func (s *Schema) AddField(newField *SchemaField) {
 // Internally calls each individual field's validator and additionally
 // checks for invalid renamed fields and field name duplications.
 func (s Schema) Validate() error {
-	return validation.Validate(&s.fields, validation.Required, validation.By(func(value any) error {
+	return validation.Validate(&s.fields, validation.By(func(value any) error {
 		fields := s.fields // use directly the schema value to avoid unnecessary interface casting
 
-		if len(fields) == 0 {
-			return validation.NewError("validation_invalid_schema", "Invalid schema format.")
-		}
-
 		ids := []string{}
 		names := []string{}
 		for i, field := range fields {
@@ -204,8 +200,9 @@ func (s *Schema) UnmarshalJSON(data []byte) error {
 
 // Value implements the [driver.Valuer] interface.
 func (s Schema) Value() (driver.Value, error) {
-	if len(s.fields) == 0 {
-		return nil, nil
+	if s.fields == nil {
+		// initialize an empty slice to ensure that `[]` is returned
+		s.fields = []*SchemaField{}
 	}
 
 	data, err := json.Marshal(s.fields)

models/schema/schema_test.go

@@ -215,7 +215,7 @@ func TestSchemaValidate(t *testing.T) {
 		// no fields
 		{
 			schema.NewSchema(),
-			true,
+			false,
 		},
 		// duplicated field ids
 		{
@@ -342,7 +342,7 @@ func TestSchemaValue(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if v1 != nil {
+	if v1 != "[]" {
 		t.Fatalf("Expected nil, got %v", v1)
 	}