code: protected function beforeBuild()
      {
          $this->type = 'CREATE';
          if ($this->temporary) {
              $this->type .= ' TEMPORARY';
          }
          $this->type .= ' TABLE';
  
          if ($this->if_not_exists) {
              $this->type .= ' IF NOT EXISTS';
          }
  
          $this->type .= ' ' . $this->quote($this->tbl_name);
  
          return;
      }
docs: Things to do before build
  
  @access protected