1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
|
set sql_mode=ORACLE;
--error ER_PARSE_ERROR
:NEW.a := 1;
--error ER_PARSE_ERROR
:OLD.a := 1;
--error ER_PARSE_ERROR
:OLa.a := 1;
--error ER_PARSE_ERROR
SELECT :NEW.a;
--error ER_PARSE_ERROR
SELECT :OLD.a;
--error ER_PARSE_ERROR
SELECT :OLa.a;
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW NEW.a:= 10;
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
DROP TRIGGER tr1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW :NEW.a:= 10;
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
DROP TRIGGER tr1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
DELIMITER /;
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW
BEGIN
IF :NEW.a IS NULL
THEN
:NEW.a:= 10;
END IF;
END;
/
DELIMITER ;/
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1;
DROP TRIGGER tr1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
DELIMITER /;
CREATE TRIGGER tr1 BEFORE UPDATE ON t1 FOR EACH ROW
BEGIN
IF :OLD.a IS NULL
THEN
:NEW.a:= 10;
END IF;
END;
/
DELIMITER ;/
INSERT INTO t1 VALUES (NULL);
UPDATE t1 SET a=NULL;
SELECT * FROM t1;
DROP TRIGGER tr1;
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, c INT);
DELIMITER /;
CREATE TRIGGER tr1 BEFORE INSERT ON t1
FOR EACH ROW
DECLARE
cnt INT := 0;
BEGIN
IF :NEW.a IS NULL THEN cnt:=cnt+1; END IF;
IF :NEW.b IS NULL THEN cnt:=cnt+1; END IF;
IF :NEW.c IS NULL THEN :NEW.c:=cnt; END IF;
END;
/
DELIMITER ;/
INSERT INTO t1 VALUES ();
INSERT INTO t1 VALUES (1, NULL, NULL);
INSERT INTO t1 VALUES (NULL, 1, NULL);
INSERT INTO t1 VALUES (1, 1, NULL);
SELECT * FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-10577 sql_mode=ORACLE: %TYPE in variable declarations
--echo #
CREATE TABLE t1 (a INT, b INT, total INT);
DELIMITER $$;
CREATE TRIGGER tr1 BEFORE INSERT ON t1
FOR EACH ROW
DECLARE
va t1.a%TYPE:= :NEW.a;
vb t1.b%TYPE:= :NEW.b;
BEGIN
:NEW.total:= va + vb;
END;
$$
DELIMITER ;$$
INSERT INTO t1 (a,b) VALUES (10, 20);
SELECT * FROM t1;
DROP TABLE t1;
|