Override ogent code to always return ent errors.

ent/entc.go

@@ -12,13 +12,28 @@ import (
 	"github.com/ogen-go/ogen"
 )
 
+var returnAllErrors = gen.MustParse(gen.NewTemplate("").Parse(`
+{{ define "ogent/ogent/helper/error" }}{{/* gotype: entgo.io/ent/entc/gen.typeScope */}}
+	{{- $pkg := base $.Type.Config.Package }}
+	if err != nil {
+		{{- with $.Scope.Tx }}
+			if rErr := {{ . }}.Rollback(); rErr != nil {
+				return nil, fmt.Errorf("%w: %v", err, rErr)
+			}
+		{{- end }}
+		// Let the server handle the error.
+		return nil, err
+	}
+{{ end }}
+`))
+
 func main() {
 	spec := new(ogen.Spec)
 	oas, err := entoas.NewExtension(entoas.Spec(spec))
 	if err != nil {
 		log.Fatalf("creating entoas extension: %v", err)
 	}
-	ogent, err := ogent.NewExtension(spec)
+	ogent, err := ogent.NewExtension(spec, ogent.Templates(returnAllErrors))
 	if err != nil {
 		log.Fatalf("creating ogent extension: %v", err)
 	}