function add_default_vote($post_id, $is_page = '', $review = -1)
 {
     global $wpdb, $table_prefix;
     $options = get_option('gd-star-rating');
     if ($is_page == '') {
         $is_page = GDSRDatabase::get_post_type($post_id) == 'page' ? '1' : '0';
     }
     wp_gdsr_dump("ADD_DEFAULT_is_page", $is_page);
     $dbt_data_article = $table_prefix . 'gdsr_data_article';
     $sql = sprintf("INSERT INTO %s (post_id, rules_articles, rules_comments, moderate_articles, moderate_comments, is_page, user_voters, user_votes, visitor_voters, visitor_votes, review, expiry_type, expiry_value) VALUES (%s, '%s', '%s', '%s', '%s', '%s', 0, 0, 0, 0, %s, '%s', '%s')", $dbt_data_article, $post_id, $options["default_voterules_articles"], $options["default_voterules_comments"], $options["default_moderation_articles"], $options["default_moderation_comments"], $is_page, $review, $options["default_timer_type"], $options["default_timer_value"]);
     $wpdb->query($sql);
 }