create table t1 (
  pk int primary key,
  a int,
  b int,
  c real
);


insert into t1 values
(101 , 0, 10, 1.1),
(102 , 0, 10, 2.1),
(103 , 1, 10, 3.1),
(104 , 1, 10, 4.1),
(108 , 2, 10, 5.1),
(105 , 2, 20, 6.1),
(106 , 2, 20, 7.1),
(107 , 2, 20, 8.15),
(109 , 4, 20, 9.15),
(110 , 4, 20, 10.15),
(111 , 5, NULL, 11.15),
(112 , 5, 1, 12.25),
(113 , 5, NULL, 13.35),
(114 , 5, NULL, 14.50),
(115 , 5, NULL, 15.65),
(116 , 6, 1, NULL),
(117 , 6, 1, 10),
(118 , 6, 1, 1.1),
(119 , 6, 1, NULL),
(120 , 6, 1, NULL),
(121 , 6, 1, NULL),
(122 , 6, 1, 2.2),
(123 , 6, 1, 20.1),
(124 , 6, 1, -10.4),
(125 , 6, 1, NULL),
(126 , 6, 1, NULL),
(127 , 6, 1, NULL);

#enable after fix MDEV-27871
--disable_view_protocol

--sorted_result
select pk, a, b, sum(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
from t1;

--sorted_result
select pk, a, c, sum(c) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
from t1;
--enable_view_protocol

drop table t1;

--echo #
--echo # End of 10.2 tests
--echo #

--echo #
--echo # MDEV-28094 Window function in expression in ORDER BY
--echo #
SELECT EXISTS (SELECT 1 ORDER BY 1+sum(2) OVER ());

--echo #
--echo # End of 10.4 tests
--echo #