stat.execute("INSERT INTO user123 (user_id, photo_id) VALUES (3, 3)");
stat.execute("INSERT INTO user123 (user_id, photo_id) VALUES (4, 4)");
List<EntityGroupInfo> egis = admin.getTableEntityGroups(Bytes.toBytes("user123"));
admin.split(egis.get(0).getEntityGroupName(), Bytes.toBytes("H"));
stat.execute("INSERT INTO user123 (user_id, photo_id) VALUES (5, 5)");
ResultSet rs;