temp

$meta_query = array(
	'relation' => 'OR',
	array(
		'key'     => 'ratings_average',
		'compare' => '>=',
		'type'    => 'DECIMAL',
	),
	array(
		'key'     => 'ratings_average',
		'compare' => 'NOT EXISTS',
		'type'    => 'DECIMAL',
	),
);