如何使用PHP批量执行包含数千个语句的SQL文件？

Question

I have a .sql file that contains a handful of TRUNCATE, DROP TABLE IF EXISTS and CREATE TABLE statements as well as thousands of INSERT and UPDATE statements.

I'm trying to use PHP to execute all the statements in the file in batch as follows:

$sql = file_get_contents('path/to/sql/file.sql');
$link->($sql);

Where $link is a valid MySQLi DB link. I've also tried swapping out $link->($sql) with $link->multi_query($sql), but neither seem to work.

If it makes any difference, I'm attempting to do this in an XAMPP localhost environment on Windows 10 with PHP 7.1 and MariaDB 15.1.

Does anyone know why this would cause problems and not work?
What's the best way in PHP to execute a SQL file with thousands of statements in it?
Thanks.

Answer 1

Ryan, thanks again for the advice. As you suggested, running the mysql command directly on the SQL file is the way to go.

The following worked for me:

shell_exec('C:\\xampp\\mysql\\bin\\mysql.exe -h localhost -u root -ppassword -D db-name "SELECT * FROM table-name;"');

Please note that you don't want a space between the -p option and the password itself. If you don't have a password, then just remove the -p option altogether.

Edit: The sample command above is a very arbitrary one to demonstrate running the mysql command. If you want to read and execute a bunch of SQL statements in a file, the following is more what you need:

shell_exec('C:\\xampp\\mysql\\bin\\mysql.exe -h localhost -u root -ppassword -D db-name < C:\\xampp\\htdocs\\path\\to\\file.sql');