Wrong results when using STDDEV_SAMP() and view

create table t1(i int);

insert into t1 values  (1),(2),(3),(4),(5);

select stddev_samp(i) from t1;

create view v1 as select stddev_samp(i) from t1;

select * from v1;

MariaDB [test]> select stddev_samp(i) from t1;

+----------------+

| stddev_samp(i) |

+----------------+

|         1.5811 |

+----------------+

1 row in set (0.001 sec)

MariaDB [test]> create or replace view v1 as select stddev_samp(i) from t1;

Query OK, 0 rows affected (0.009 sec)

MariaDB [test]> select * from v1;

+----------------+

| stddev_samp(i) |

+----------------+

|         1.4142 |

+----------------+

1 row in set (0.002 sec)

create table t1(i int);

insert into t1 values  (1),(2),(3),(4),(5);

select stddev_samp(i) over (order by i) from t1;

create view v1 as select stddev_samp(i) over (order by i) from t1;

select * from v1;

MariaDB [test]> select stddev_samp(i) over (order by i) from t1;

+----------------------------------+

| stddev_samp(i) over (order by i) |

+----------------------------------+

|                             NULL |

|                           0.7071 |

|                           1.0000 |

|                           1.2910 |

|                           1.5811 |

+----------------------------------+

5 rows in set (0.002 sec)

MariaDB [test]> create view v1 as select stddev_samp(i) over (order by i) from t1;

Query OK, 0 rows affected (0.007 sec)

MariaDB [test]> select * from v1;

+----------------------------------+

| stddev_samp(i) over (order by i) |

+----------------------------------+

|                           0.0000 |

|                           0.5000 |

|                           0.8165 |

|                           1.1180 |

|                           1.4142 |

+----------------------------------+

5 rows in set (0.003 sec)