Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I write
mysql_query("SET AUTOCOMMIT=0");
mysql_query("START TRANSACTION");
before I write all queries. Then check if all of them are true and then write:
mysql_query("COMMIT");
But if one of query fails, I just pass COMMIT query. So do I really need ROLLBACK function if one of the queries fail? Because without ROLLBACK it also works.
Thanks.
I think you’re asking if executing ROLLBACK is necessary, since without it the commits still don’t get applied. That’s technically true, but only because the transaction is still open since you haven’t ended it. Anything that implicitly commits the transaction (for example, starting a new transaction) will act as though you ran COMMIT, which is the opposite of what you want