in crates/paimon/src/spec/schema.rs [151:160]
fn test_new_description() {
let d_type = DataType::Int(IntType::new());
let new_data_field = DataField::new(1, "field1".to_string(), d_type.clone())
.with_description(Some("new description".to_string()));
assert_eq!(new_data_field.id(), 1);
assert_eq!(new_data_field.name(), "field1");
assert_eq!(new_data_field.data_type(), &d_type);
assert_eq!(new_data_field.description(), Some("new description"));
}