Symfony 2: knppaginator does not allow left join -


i use knppaginator getting paginated results. when use left join statement in query, following error:

cannot count query selects 2 components, cannot make distinction

the code in controller looks this:

 public function paginationaction()     {         $em    = $this->get('doctrine.orm.entity_manager');          $dql   = "select p.name, c.name                   mybundle:products p                   left join mybundle:categories c                   c.id = p.categoryid";          $query = $em->createquery($dql);          $request = $this->getrequest();         $paginator = $this->get('knp_paginator');         $pagination = $paginator->paginate(             $query,             $request->query->getint('page', 1),             10         );         $viewdata['pagination'] = $pagination;          return $this->render('mybundle:results.html.twig', $viewdata);     }

how can make left join statement work? when leave out left join, works fine.

this question asked before. check out answer: doctrine : pagination left joins


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