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

When using PHP, SQL_BIG_SELECTS=1 should be set in a separate query before your main query. For example:

$mysqli = new mysqli("localhost", "root", "password", "db"); 

$mysqli->query("SET SQL_BIG_SELECTS=1");  //Set it before your main query

$results = $mysqli->query("SELECT a, b, c FROM test");
while($row = $results->fetch_assoc()){
    echo '
';
    print_r ($row);
    echo '
';
}