DECLARE
v_test_nbr NUMBER;
v_check_exists NUMBER;
BEGIN
BEGIN
v_test_nbr := to_number(:P6_TEXT_FIELD);
EXCEPTION
WHEN OTHERS THEN
-- or catch 1722 (invalid number) and 6502 (char to number conversion error)
v_test_nbr := NULL;
END;
IF v_test_nbr IS NOT NULL
THEN
-- if v_test_nbr is not null then the field should be numerically valid
-- if it isn't then this code would be skipped and this validation
-- will not throw an error.
-- However, the previous validation will still fail when text is entered,
-- so this shouldn't matter.
BEGIN
SELECT 1
INTO v_check_exists
FROM my_table
WHERE column_name = :P6_TEXT_FIELD;
EXCEPTION
WHEN no_data_found THEN
v_check_exists := 0;
END;
IF v_check_exists = 1
THEN
RETURN 'A record with this key already exists';
END IF;
END IF;
RETURN NULL;
END;
No. | Subject | Author | Date | Views |
---|---|---|---|---|
46 | ACL 보기 | admin | 2016.06.07 | 309 |
45 | Oracle 11g Access Control List for External Network Services | admin | 2016.06.07 | 302 |
44 | Access Control List (ACL) | admin | 2016.06.07 | 343 |
43 | CAPTCHA PLUG-IN | admin | 2016.05.27 | 299 |
42 | SUBSTR | admin | 2016.05.26 | 272 |
41 | FOR LOOP | admin | 2016.05.20 | 269 |
40 | ROWNUM | admin | 2016.05.19 | 240 |
39 | NVL | admin | 2016.05.19 | 152 |
38 | INSTR | admin | 2016.05.19 | 789 |
37 | TREE | admin | 2016.05.18 | 722 |
36 | 3D Pie Chart | admin | 2016.05.17 | 222 |
35 | CREATE VIEW | admin | 2016.05.13 | 218 |
34 | test | admin | 2016.05.11 | 123 |
33 | BOOLEAN SAMPLE | admin | 2016.05.11 | 147 |
32 | Display Value, Return Value | admin | 2016.05.10 | 116 |
31 | Fundamentals of PL/SQL | admin | 2016.05.10 | 2038 |
30 | Interactive Report | admin | 2016.05.07 | 118 |
29 | Group by, Order by (두개의 Table을 활용한 Sub Total / 최고값 ) | admin | 2016.05.06 | 234 |
28 | EMPLOYEE_LEVEL_ID | admin | 2016.05.03 | 89 |
27 | HEAD TITLE (제목)을 조건에 따라 바꾸기 | admin | 2016.05.03 | 133 |