function enableCache($type, $connection, $cache_expire = 600, $table = 'flickr_cache')
{
$db = new SQLite3('flickr.db');
/*
* If high performance is crucial, you can easily comment
* out this query once you've created your database table.
*/
$db->query("\n\t\t\t\tCREATE TABLE IF NOT EXISTS `{$table}` (\n\t\t\t\t\t`request` CHAR( 35 ) NOT NULL ,\n\t\t\t\t\t`response` MEDIUMTEXT NOT NULL ,\n\t\t\t\t\t`expiration` DATETIME NOT NULL ,\n\t\t\t\t\tINDEX ( `request` )\n\t\t\t\t) TYPE = MYISAM");
if ($db->getOne("SELECT COUNT(*) FROM {$table}") > $this->max_cache_rows) {
$db->query("DELETE FROM {$table} WHERE expiration < DATE_SUB(NOW(), INTERVAL {$cache_expire} second)");
$db->query('OPTIMIZE TABLE ' . $this->cache_table);
}
$this->cache = 'db';
$this->cache_db = $db;
$this->cache_table = $table;
$this->cache_expire = $cache_expire;
}
