Nette\Database\Context::getStructure PHP Method

    public function getStructure()
    {
        return $this->structure;
    }

 /**
  * @return string
  */
 public function getPrimarySequence()
 {
     if ($this->primarySequence === FALSE) {
         $this->primarySequence = $this->context->getStructure()->getPrimaryKeySequence($this->name);
     }
     return $this->primarySequence;
 }