MySQL: “The SELECT would examine more than MAX_JOIN_SIZE rows”

Question

I am using PHP and MySQL. In my program there is a select query involving joins. When I run it on localhost it\'s working fine but when I upload it on my server and try to e

Answer 1

If you are using PDO driver, set the PDO::MYSQL_ATTR_INIT_COMMAND in your driver_options array when constructing a new database handle

like so:

$dbh = new PDO('mysql:host=xxx;port=xxx;dbname=xxx', 'xxx', 'xxx', array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET SESSION SQL_BIG_SELECTS=1'));