How do I prioritize posts over pages in a wordpress/genesis search result page?

How do I prioritize posts over pages in a wordpress/genesis search result page? Similar to this code, except I'd like posts to show before pages and I can't seem to fully adjust this code to do it:

function change_search_result_order($query) {
// Check if current page is search page
    if ($query->is_search) {
// Specify orderby and order, ordering will be by slug of post_type: pAge > pOst
        $query->set('orderby', 'post_type');
        $query->set('order', 'ASC');
    };
    return $query;
}

add_filter('pre_get_posts', 'change_search_result_order');

this code block was also mentioned, but I can't seem to find where it fits--if I could, would it be as simple as switching page and post?

$query->set('post_type', array('page','post'));

Original source: How to prioritize pages over posts when searching?

thanks in advance! Adam

Solution

If you break down the code that was given in that other answer, you can clearly see what it's doing.

The custom function is called on pre_get_posts, which is before any posts are fetched.
Inside the function, it makes sure it's a search query, and won't fire on other pages or page templates.
It sets the post_types to page and post, thereby removing any custom post types.
It changes the order of the post to order by the name of the post_type
It changes the order of the posts to be Ascending or Descending.

Add the post_types in there, so that way if you use another plugin that adds CPTs or add your own, they won't be included (such as events or staff members).

Since WP 4.0 the $query accepts type as an orderby parameter. Note that post_type works as well, but the default non-aliased value is type.

Change the order to Desc since you want [PO]sts before [PA]ges

add_filter( 'pre_get_posts', 'change_search_result_order' );
function change_search_result_order($query){
    if( $query->is_search ){
        $query->set( 'post_type', array( 'page', 'post' ) );
        $query->set( 'orderby', 'type' );
        $query->set( 'order', 'DESC' );
    };

    return $query;
}

Stick that in your functions.php file and you should be good to go.