Issue #3158270 by Hardik_Patel_12, siddhant.bhosale, paulocs: Unused local...

   */

  public function testRangeUndo() {

    $query = $this->connection->select('test');

    $name_field = $query->addField('test', 'name');

    $age_field = $query->addField('test', 'age', 'age');

    $query->addField('test', 'name');

    $query->addField('test', 'age', 'age');

    $query->range(0, 2);

    $query->range(NULL, NULL);

    $query_result = $query->countQuery()->execute()->fetchField();