add missing nil check to anonymous struct handling logic

query.go

@@ -586,7 +586,7 @@ func handleAnon(raw interface{}, rtype reflect.Type, rval reflect.Value) reflect
 					if reflect.TypeOf(fval) == reflect.TypeFor[string]() && typeField.Type == reflect.TypeFor[time.Time]() {
 						tt, _ := time.Parse(time.RFC3339, fval.(string))
 						valueField.Set(reflect.ValueOf(tt))
-					} else {
+					} else if fval != nil {
 						valueField.Set(reflect.ValueOf(fval))
 
 					}