/**
  * Stored routine with designation type rows_with_index must return multi dimensional array.
  */
 public function test1()
 {
     $rows = DataLayer::testRowsWithIndex1WithLob(100, 'blob');
     $this->assertInternalType('array', $rows);
     $this->assertArrayHasKey('a', $rows);
     $this->assertArrayHasKey('b', $rows['a']);
     $this->assertNotCount(0, $rows['a']['b']);
 }