Zend_Auth : DB table structure - zend-framework

Question

So followed all the basic tutorials. Am using Zend 1.8 but i keep getting this exception when using Zend_Auth_DB. Any ideas, there is only one row in the table.
Exception information:
Message: The supplied parameters to Zend_Auth_Adapter_DbTable failed to produce a valid sql statement, please check table and column names for validity.
Stack trace:
#0 C:\projects\BHAA_ZEND\library\Zend\Auth\Adapter\DbTable.php(306): Zend_Auth_Adapter_DbTable->_authenticateQuerySelect(Object(Zend_Db_Select))
#1 C:\projects\BHAA_ZEND\library\Zend\Auth.php(117): Zend_Auth_Adapter_DbTable->authenticate()
#2 C:\projects\BHAA_ZEND\application\controllers\LoginController.php(79): Zend_Auth->authenticate(Object(Zend_Auth_Adapter_DbTable))
#3 C:\projects\BHAA_ZEND\application\controllers\LoginController.php(38): LoginController->getAuthAdapter(Array)
#4 C:\projects\BHAA_ZEND\library\Zend\Controller\Action.php(512): LoginController->processAction()
#5 C:\projects\BHAA_ZEND\library\Zend\Controller\Dispatcher\Standard.php(288): Zend_Controller_Action->dispatch('processAction')
#6 C:\projects\BHAA_ZEND\library\Zend\Controller\Front.php(945): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#7 C:\projects\BHAA_ZEND\library\Zend\Application\Bootstrap\Bootstrap.php(77): Zend_Controller_Front->dispatch()
#8 C:\projects\BHAA_ZEND\library\Zend\Application.php(328): Zend_Application_Bootstrap_Bootstrap->run()
#9 C:\projects\BHAA_ZEND\public\index.php(33): Zend_Application->run()
#10 {main}
Here's the offending code.
public function getAuthAdapter(array $params)
{
$dbAdapter = Zend_Db_Table::getDefaultAdapter();
$authAdapter = new Zend_Auth_Adapter_DbTable($dbAdapter);
$authAdapter->setTableName('login')
->setIdentityColumn('username')
->setCredentialColumn('password');
//->setCredentialTreatment('MD5(?)');
// pass to the adapter the submitted username and password
$authAdapter->setIdentity($username)->setCredential($password);
$auth = Zend_Auth::getInstance();
$result = $auth->authenticate($authAdapter);
if ($result->isValid()) {
// success : store database row to auth's storage system
// (not the password though!)
$data = $authAdapter->getResultRowObject(null, 'password');
$auth->getStorage()->write($data);
//$this->_redirect('/');
return $this->_helper->redirector('index','index');
} else {
// failure: clear database row from session
$this->view->message = 'Login failed.';
return $this->render('index');
}
return $result;
}
Have you read the documentation for Zend_Auth_Adapter_DbTable? - Yes, but i'm not sure if it cleared or muddied my understanding.
Do you have a valid connection to the database? - Yup, have a working CRUD app with the same DB config.
What is the structure of your users table? -
Did you specify the identity and credential columns correctly to the constructor of Zend_Auth_Adapter_DbTable? - See code above, i believe so.
Did you also specify the username/password you're trying to authenticate? - Yup, have a Zend form submitting these variables.
What is the SQL query that is causing the error? I think this is it.
SELECT `isp_partners_view`.*, (CASE WHEN `password` = '*****' THEN 1 ELSE 0 END) AS `zend_auth_credential_match` FROM `isp_partners_view` WHERE (`username` = '*****')

Answer 1

You have given the error, but there are number of other questions I'd ask to try to troubleshoot this:
Have you read the documentation for Zend_Auth_Adapter_DbTable?
Do you have a valid connection to the database?
What is the structure of your users table?
Did you specify the identity and credential columns correctly to the constructor of Zend_Auth_Adapter_DbTable?
Did you also specify the username/password you're trying to authenticate?
What is the SQL query that is causing the error? You can view the query this way:
$select = $authAdapter->getDbSelect();
print $select . "\n";