laravel - Doctrine leftJoin with queryBuilder -


i'm trying use querybuilder doctrine data database query joining 2 tables. i'm getting error. tables have entities: file , ciccasefile. show below definition:

<?php  namespace app\http\entities\cic;  use doctrine\orm\mapping orm; use \carbon\carbon; /**  * @orm\entity(repositoryclass="\app\http\repositories\cic\filerepository")  * @orm\table(name="files")  */ class file {      /**      * @orm\id()      * @orm\column(type="integer")      * @orm\generatedvalue(strategy="auto")      * @var int      */     protected $id;      /**      * @orm\column(type="string")      * @var string      */     protected $path;      /**      * @orm\column(type="string")      * @var string      */     protected $originalname;      /**      * @orm\column(type="string")      * @var string      */     protected $hashname;       /**      * @orm\column(type="string")      * @var string      */     protected $extension;      /**      * @orm\onetomany(targetentity="ciccasefile", mappedby="file")      */     protected $case_file;      /**      * @orm\column(type="datetime")      * @var datetime      */      /**      * @orm\column(type="datetime")      * @var datetime      */     protected $created_at;       public function getid(){         return $this->id;     }      public function setid($id){         $this->id = $id;     }      public function getpath(){         return $this->path;     }      public function setpath($path){         $this->path = $path;     }      public function getoriginalname(){         return $this->originalname;     }      public function setoriginalname($originalname){         $this->originalname = $originalname;     }      public function gethashname(){         return $this->hashname;     }      public function sethashname($hashname){         $this->hashname = $hashname;     }      public function getextension(){         return $this->extension;     }      public function setextension($extension){         $this->extension = $extension;     }     public function getcreatedat() {         return $this->created_at;     }      public function setcreatedat() {         $this->created_at = carbon::now();     }  }

and:

<?php  namespace app\http\entities\cic;  use doctrine\orm\mapping orm; use \doctrine\common\collections\arraycollection; use \carbon\carbon;  /**  * @orm\entity()  * @orm\entity(repositoryclass="app\http\repositories\cic\filerepository")  */ class ciccasefile {      /**      * @orm\id      * @orm\generatedvalue      * @orm\column(type="integer")      */     protected $id;     /**      *      * @orm\manytoone(targetentity="ciccase", inversedby="casefiles")      * @orm\joincolumn(name="case_id", referencedcolumnname="id")      *      */     protected $case;     /**      *      * @orm\manytoone(targetentity="file", inversedby="case_file")      * @orm\joincolumn(name="file_id", referencedcolumnname="id")      */     protected $file;      /**      * @orm\column(type="integer")      */     protected $case_id;      /**      * @orm\column(type="integer")      */     protected $file_id;     /**      * @orm\column(type="datetime")      * @var datetime      */     protected $created_at;      public function __construct() {          //$this->mailboxes = new arraycollection();     }     public function setfile($file){          $this->file = $file;     }     public function getfile(){          return $this->file;     }     public function setcase($case){          $this->case = $case;     }     public function getcase(){          return $this->case;     }     public function getid() {          return $this->id;     }     public function setid($id) {          $this->id = $id;     }      public function getarrayvalues() {         return array(             'file_id' => $this->getfile()->getid(),             'case_id' => $this->getcase()->getid(),             'filename' => $this->getfile()->getoriginalname(),             //'parentfiles' => $this->         );     }     public function getcreatedat() {         return $this->created_at;     }      public function setcreatedat() {         $this->created_at = carbon::now();     }  }

now i'm trying data left join in way below:

        $results = $this->createquerybuilder('f')             ->select(['f.hashname', 'f.created_at'])             ->innerjoin('f.ciccasefile','cf')             ->getquery()             ->getarrayresult();

but don't know why dosen't work. have , error: enter image description here

i don't know what's wrong. how repair that? grateful ;)


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