我正在读专业的wordpress。他们卸载插件的代码是
//build our query to delete our custom table
$sql = "DROP TABLE " . $table_name . ";";
//execute the query deleting the table
$wpdb->query($sql);
require_once(ABSPATH .’wp-admin/includes/upgrade.php’);
dbDelta($sql);
我的问题是为什么要跑dbDelta
之后$wpdb->query($sql);