("drop table error : ", err, " , errno : ", errno, " , sqlstate : ", sqlstate)
return close_db(db...table error : ", err, " , errno : ", errno, " , sqlstate : ", sqlstate)
return close_db(db)
end...(insert_sql)
if not res then
ngx.say("insert error : ", err, " , errno : ", errno, " , sqlstate...(update_sql)
if not res then
ngx.say("update error : ", err, " , errno : ", errno, " , sqlstate...("delete error : ", err, " , errno : ", errno, " , sqlstate : ", sqlstate)
return close_db(db)