### Question:
LSHTC4HierarchyDAO extends LSHTC4ParentDAO { public static long selectCount() { String SELECT_COUNT = "SELECT COUNT(*) FROM LSHTC4Hierarchy"; return Yank.queryScalar(SELECT_COUNT, Long.class, null); }  static int dropTable(); static int createTable(); static int insert(LSHTC4Hierarchy lSHTC4Hierarchy); static List<LSHTC4Hierarchy> selectAll(); static LSHTC4Hierarchy selectSingle(int id); static long selectCount();  }### Answer:
@Test public void testSelectCount() { long count = LSHTC4HierarchyDAO.selectCount(); assertThat(count, equalTo(863261L)); }