test datum

$date_query = array(
	'relation' => 'OR',
	array(
		'year'          => 2017,
		'month'         => 01,
		'day'           => 31,
		'compare'       => 'IN',
		'column'        => 'post_date',
	),
	array(
		'year'          => 2007,
		'compare'       => 'IN',
		'column'        => 'post_date',
	),
);