/**
  * Compiles a DELETE query.
  *
  * @access  public
  * @return  array
  */
 public function delete()
 {
     $sql = 'DELETE FROM ';
     $sql .= $this->wrap($this->query->getTable());
     $sql .= $this->wheres($this->query->getWheres());
     return ['sql' => $sql, 'params' => $this->params];
 }