If the same logic is truly needed for both instances, then in an `IF` chain they should be combined.

[source,sql,diff-id=1,diff-type=compliant]
----
IF param = 1 OR param = 2 THEN
    sort_order := 0;
    column := 'LastName';
ELSE
    sort_order := 1;
    column := 'FirstName';
END IF;
----