MetaWR

$meta_query = array(
	array(
		'key'     => 'worldretailer_type',
		'compare' => 'EXISTS',
		'type'    => 'CHAR',
	),
	array(
		'key'     => 'order',
		'compare' => 'EXISTS',
		'type'    => 'NUMERIC',
	),
);