ZendFramework2 AbstractTableGateway getSql - zend-framework2

Question

I got a ZF2 project with 2 Models PosTable/TopTable which extend AbstractTableGateway.
I want to Paginate results from those Tables so i have a Pagination function in both of them.
this is what the PosTable Model looks like:
...
class PosTable extends AbstractTableGateway {
public function __construct($adapter) {
$this->table = 'pos';
$this->adapter = $adapter;
}
...
public function getPosPaginator($tid) {
$sql = $this->getSql();
$select = $sql->select();
$select->where('tid = '.$tid)->where('deleted = 0')->order('crdate ASC');
$adapter = new \Zend\Paginator\Adapter\DbSelect($select, $sql);
$paginator = new \Zend\Paginator\Paginator($adapter);
return $paginator;
}
...
which works perfectly.
but in my TopTable it looks the same like this:
...
class TopTable extends AbstractTableGateway {
public function __construct($adapter) {
$this->table = 'top';
$this->adapter = $adapter;
}
public function getTopPaginator($fid) {
$sql = $this->getSql();
$select = $sql->select();
$select->where('fid = '.$fid)->where('deleted = 0');
$adapter = new \Zend\Paginator\Adapter\DbSelect($select, $sql);
$paginator = new \Zend\Paginator\Paginator($adapter);
return $paginator;
}
...
my controller looks like this for PosTable:
...
public function posAction(){
...
$pos = $this->getPosTable()->getPosPaginator($tid);
$pos->setCurrentPageNumber($pageid)->setItemCountPerPage(19);
... return $pos etc...
same controller topAction:
...
public function topAction(){
...
$top = $this->getTopTable()->getTopPaginator($fid);
$top->setCurrentPageNumber($pageid)->setItemCountPerPage(20);
...return $top etc..
in that controller i got also these functions:
public function getTopTable(){
return $this->getServiceLocator()->get('Application\Model\TopTable');
}
public function getPosTable(){
return $this->getServiceLocator()->get('Application\Model\PosTable');
}
PosTable Pagination works perfectly, but the TopTable Pagination doesnt work.
i get this error:
Fatal error: Call to a member function select() on a non-object in ....
seems like
$sql = $this->getSql();
doesnt return the object.
how can i solve this problem?
one works one doesnt for no obvious reason.
my module.php looks like this:
namespace Application;
class Module
{
public function getAutoloaderConfig()
{
return array('Zend\Loader\StandardAutoloader' =>
array('namespaces' =>
array(__NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,),
),
);
}
public function getConfig()
{
return include __DIR__ . '/config/module.config.php';
}
public function getServiceConfig()
{
return array(
'factories' => array(
'Application\Model\TopTable' => function($sm) {
$dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
$table = new \Application\Model\TopTable($dbAdapter);
return $table;
},
'Application\Model\ForTable' => function($sm) {
$dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
$table = new \Application\Model\ForTable($dbAdapter);
return $table;
},
'Application\Model\PosTable' => function($sm) {
$dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
$table = new \Application\Model\PosTable($dbAdapter);
return $table;
},
),
);
}
}

Answer 1

Ok, after going through TableGateway Code and your extended class, I found the your implementation is not calling initialize which setup the sql object try to call the parent table gateway, below is the modified constructor for your PosTable and TopTable
/* for PosTable */
class PosTable extends TableGateway {
public function __construct($adapter) {
parent::__construct('pos', $adapter);
}
...
/* for TopTable */
class TopTable extends TableGateway {
public function __construct($adapter) {
parent::__construct('top', $adapter);
}
...