public function test1()
 {
     DataLayer::testRow0a(1);
     DataLayer::testRows1(1);
     DataLayer::testRowsWithIndex1(100);
     DataLayer::testRowsWithKey1(100);
 }
 /**
  * Stored routine with designation type rows_with_index must return empty array when no rwos are selected.
  */
 public function test2()
 {
     $rows = DataLayer::testRowsWithIndex1(0);
     $this->assertInternalType('array', $rows);
     $this->assertCount(0, $rows);
 }