i could not find the right syntax for triigers in mysql












0















this is the code, i have written. i could not correct this . i attached the error details also



thanks in advace



    DELIMITER |   
CREATE TRIGGER customer_check
AFTER INSERT ON orders
FOR EACH ROW
BEGIN
IF NEW.customer_id NOT IN (select customer_id from customer) THEN
rollback;
END IF;
END |


DELIMITER ;



#Error


'chainmanagementsystem.sql': You have an error in your SQL syntax;
check the manual that corresponds to your MariaDB server version for
the right syntax to use near 'DELIMITER | CREATE TRIGGER
customer_check AFTER INSERT ON orders FOR EACH ROW ' at line 1











share|improve this question

























  • Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

    – danblack
    Nov 20 '18 at 6:03






  • 1





    The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

    – P.Salmon
    Nov 20 '18 at 7:31
















0















this is the code, i have written. i could not correct this . i attached the error details also



thanks in advace



    DELIMITER |   
CREATE TRIGGER customer_check
AFTER INSERT ON orders
FOR EACH ROW
BEGIN
IF NEW.customer_id NOT IN (select customer_id from customer) THEN
rollback;
END IF;
END |


DELIMITER ;



#Error


'chainmanagementsystem.sql': You have an error in your SQL syntax;
check the manual that corresponds to your MariaDB server version for
the right syntax to use near 'DELIMITER | CREATE TRIGGER
customer_check AFTER INSERT ON orders FOR EACH ROW ' at line 1











share|improve this question

























  • Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

    – danblack
    Nov 20 '18 at 6:03






  • 1





    The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

    – P.Salmon
    Nov 20 '18 at 7:31














0












0








0








this is the code, i have written. i could not correct this . i attached the error details also



thanks in advace



    DELIMITER |   
CREATE TRIGGER customer_check
AFTER INSERT ON orders
FOR EACH ROW
BEGIN
IF NEW.customer_id NOT IN (select customer_id from customer) THEN
rollback;
END IF;
END |


DELIMITER ;



#Error


'chainmanagementsystem.sql': You have an error in your SQL syntax;
check the manual that corresponds to your MariaDB server version for
the right syntax to use near 'DELIMITER | CREATE TRIGGER
customer_check AFTER INSERT ON orders FOR EACH ROW ' at line 1











share|improve this question
















this is the code, i have written. i could not correct this . i attached the error details also



thanks in advace



    DELIMITER |   
CREATE TRIGGER customer_check
AFTER INSERT ON orders
FOR EACH ROW
BEGIN
IF NEW.customer_id NOT IN (select customer_id from customer) THEN
rollback;
END IF;
END |


DELIMITER ;



#Error


'chainmanagementsystem.sql': You have an error in your SQL syntax;
check the manual that corresponds to your MariaDB server version for
the right syntax to use near 'DELIMITER | CREATE TRIGGER
customer_check AFTER INSERT ON orders FOR EACH ROW ' at line 1








mysql mysql-error-1064






share|improve this question















share|improve this question













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edited Nov 20 '18 at 5:44









Madhur Bhaiya

19.6k62236




19.6k62236










asked Nov 20 '18 at 5:42









sivaramsivaram

41




41













  • Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

    – danblack
    Nov 20 '18 at 6:03






  • 1





    The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

    – P.Salmon
    Nov 20 '18 at 7:31



















  • Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

    – danblack
    Nov 20 '18 at 6:03






  • 1





    The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

    – P.Salmon
    Nov 20 '18 at 7:31

















Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

– danblack
Nov 20 '18 at 6:03





Why not just have a foreign key constraint on orders: FOREIGN KEY (customer_id) REFERENCES customer(customer_id). What MariaDB version?

– danblack
Nov 20 '18 at 6:03




1




1





The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

– P.Salmon
Nov 20 '18 at 7:31





The error you get if you run this in command line sql is ERROR 1422 (HY000): Explicit or implicit commit is not allowed in stored function or trigger. Can you explain what you are trying to do.

– P.Salmon
Nov 20 '18 at 7:31












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