我正在编写一个应用程序来查询几十个应用程序的见解;无论我尝试哪种见解表查询,我总是得到一个空的结果集。没有错误。其他表(例如页面、应用程序)可以正常工作。谁能发现我错过了什么?
header('Content-type: text/plain');
//作品:
$q = 'SELECT app_id, api_key, canvas_name, display_name FROM application WHERE app_id="111"';
//不起作用:
$q = "SELECT metric, value FROM insights WHERE object_id='111' AND metric='page_active_users' AND period='604800' AND end_time='1318615472'";
//代码:
require_once '../../scg_common/facebook/facebook.php';
$facebook = new Facebook(array(
'appId' => '111',
'secret' => '222', 'cookie' => true,
));
$facebook->getAccessToken();
$facebook->getSignedRequest();
$params = array(
'method' => 'fql.query', 'query' => $q,
//'callback' => null, 'format' => '', 'access_token' => '',
);
try{
$result = $facebook->api($params); }
catch(Exception $o){
var_dump($o); }
var_dump($result);