MySQL中這樣建立存貯過程(procedure)

1. DROP PROCEDURE IF EXISTS sp_unit_by_sec_class;
2. delimiter //
3. CREATE PROCEDURE sp_unit_by_sec_class (DICT_ID INT,ORDER_BY INT )
4. BEGIN
5.     IF (ORDER_BY = 1 )
6.         THEN
7.             SELECT * FROM
8.             (
9.                 SELECT e. unit_id,e. unit_price,e. cr_date,e. USER_NAME,e. unit_memo,e. unit_status
10.                 FROM t_units e
11.                 WHERE e. dict_id = DICT_ID
12.                
13.                 UNION
14.                 SELECT c. unit_id,d. drop_fee-d. grow_fee,d. drop_date,d. USER_NAME,drop_memo,c. unit_status
15.                 FROM t_units c
16.                 RIGHT JOIN t_drop d ON c. unit_id = d. unit_id
17.                 WHERE c. dict_id = DICT_ID
18.  
19.                 UNION
20.                 SELECT a. unit_id,b. grow_fee,b. grow_date,b. USER_NAME,b. grow_memo, 2
21.                 FROM t_units a
22.                 RIGHT JOIN t_grow b ON a. unit_id = b. unit_id
23.                 WHERE a. dict_id = DICT_ID
24.             ) t1 ORDER BY 1, 3;
25.         ELSE
26.             SELECT * FROM
27.             (
28.                 SELECT e. unit_id,e. unit_price,e. cr_date,e. USER_NAME,e. unit_memo,e. unit_status
29.                 FROM t_units e
30.                 WHERE e. dict_id = DICT_ID
31.                
32.                 UNION
33.                 SELECT c. unit_id,d. drop_fee-d. grow_fee,d. drop_date,d. USER_NAME,drop_memo,c. unit_status
34.                 FROM t_units c
35.                 RIGHT JOIN t_drop d ON c. unit_id = d. unit_id
36.                 WHERE c. dict_id = DICT_ID
37.  
38.                 UNION
39.                 SELECT a. unit_id,b. grow_fee,b. grow_date,b. USER_NAME,b. grow_memo, 2
40.                 FROM t_units a
41.                 RIGHT JOIN t_grow b ON a. unit_id = b. unit_id
42.                 WHERE a. dict_id = DICT_ID
43.             ) t1 ORDER BY 3, 1;
44.     END IF;
45. END
46. ;
47. //
48. delimiter ;