STEPS TO REPRODUCE 1. Open table with non-unique values (can be text or numbers) in given column, let the table have primary key too 2. Sort by this column ascending, then descending 3. Repeat step 2 and look at primary keys OBSERVED RESULT Observe how records with identical value in the tested column change the order rather randomly EXPECTED RESULT Sorting ascending again should preserve the order, e.g. with regard to primary key, if present. The same for descending. SOFTWARE/OS VERSIONS All
Note to myself: solution kept in private branch 404895.