Keep order from 'IN' clause

Question

Is it possible to keep order from a \'IN\' conditional clause?

I found this question on SO but in his example the OP have already a sorted \'IN\' clause.

My

Answer 1

Try this:

SELECT T.SomeField,T.OtherField
FROM TestResult T
 JOIN 
   (
     SELECT 1 as Id, 45 as Val FROM dual UNION ALL
     SELECT 2, 2 FROM dual UNION ALL
     SELECT 3, 445 FROM dual UNION ALL
     SELECT 4, 12 FROM dual UNION ALL
     SELECT 5, 789  FROM dual
   ) I
   ON T.SomeField = I.Val
ORDER BY I.Id