if(isset($_GET['heartspace-input'])) {
    $args['meta_value'] = $_GET['heartspace-input'];
    $args['post_status'] = 'publish';

    $querystr = "
        SELECT wposts.*
        FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta
        WHERE wposts.ID = wpostmeta.post_id
        AND wpostmeta.meta_key = '" . $args['meta_key'] . "'
        AND wpostmeta.meta_value LIKE '%" . $args['meta_value'] . "%'
        AND wposts.post_status = 'publish'
        AND wposts.post_type = 'post'
        ORDER BY wposts.post_date DESC
        ";

    $results = $wpdb->get_results($querystr, OBJECT);
} else {
    $results = get_posts($args);
}