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;