Ошибка при удалении поста в блоге

 
        $sql = "SELECT p.blog_id as blog_id,
                       r.total_rating as rating
                FROM   cms_blog_posts p, cms_ratings_total r
                WHERE  r.item_id = {$post_id} AND r.target='blogpost'
                LIMIT 1";
 

 
    public function deletePost($post_id){
 
        cmsCore::callEvent('DELETE_POST', $post_id);
 
        $inCore = cmsCore::getInstance();
        $inCore->loadLib('tags');
        $inCore->loadLib('karma');
 

 
        $sql = "SELECT p.blog_id as blog_id,
                       r.total_rating as rating
                FROM   cms_blog_posts p, cms_ratings_total r
                WHERE  r.item_id = {$post_id} AND r.target='blogpost'
                LIMIT 1";
 

 
        $sql = "SELECT p.blog_id as blog_id,
                       r.total_rating as rating
                FROM   cms_blog_posts p, cms_ratings_total r
                WHERE  r.item_id = {$post_id} AND r.target='blogpost' AND p.id = {$post_id}
                LIMIT 1";