UPDATE wp_posts SET guid = REPLACE (guid, 'http://olddomain.ru', 'https://newdomain.ru');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'http://olddomain.ru','https://newdomain.ru');
function change_product_query($query) {
$query->set( 'posts_per_page', -1 );
}
add_action( 'pre_get_posts', 'change_product_query' );