How to select mysql rows in the order of IN clause

Question

For example I have in the table EMPLOYEE:

(code, name)
(1, \'Jimmy\')
(2, \'Albert\')
(3, \'Michelle\')
(4, \'Felix\' )

if you do: (select

Answer 1

Use the FIND_IN_SET function:

SELECT e.* 
  FROM EMPLOYEE e 
 WHERE e.code in (1,3,2,4) 
ORDER BY FIND_IN_SET(e.code, '1,3,2,4')

Or use a CASE statement:

SELECT e.* 
  FROM EMPLOYEE e 
 WHERE e.code in (1,3,2,4) 
ORDER BY CASE e.code
           WHEN 1 THEN 1 
           WHEN 3 THEN 2
           WHEN 2 THEN 3
           WHEN 4 THEN 4
         END