php - how can i add one column in table wp_post in wordpress and add data into column? -

i want add field resume_code table posts in wordpress , add data field. have add field call 'resume_code' already. cannot add data field. please me solve.

edit:

 $post_information = array(             'id'             => $current_post,             'post_title'     => $_post['fullname'],             'post_content'   => strip_tags($_post['postcontent']),             'post_type'      => 'resume',             'comment_status' => 'open',             'ping_status'    => 'open',             'post_status'    => 'publish'             'resume_code'    => $_get['resume']         );          $post_id = wp_insert_post($post_information);