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drop table if exists t0,t1;
create table t0(a int primary key);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1(
pk int,
a int,
key(pk)
);
insert into t1
select
A.a + B.a* 10 + C.a * 100,
1
from t0 A, t0 B, t0 C;
select
pk,
count(a) over (order by pk rows between 2 preceding and 2 following)
from t1
where pk between 1 and 30
order by pk desc
limit 4;
pk count(a) over (order by pk rows between 2 preceding and 2 following)
30 3
29 4
28 5
27 5
drop table t0,t1;
#
# MDEV-30052: Crash with a query containing nested WINDOW clauses
#
CREATE TABLE t1 (c INT);
insert into t1 values (1),(2);
UPDATE t1 SET c=1
WHERE c=2
ORDER BY
(1 IN ((
SELECT *
FROM (SELECT * FROM t1) AS v1
GROUP BY c
WINDOW v2 AS (ORDER BY
(SELECT *
FROM t1
GROUP BY c
WINDOW v3 AS (PARTITION BY c)
)
)
))
);
drop table t1;
#
# MDEV-29359: Server crashed with heap-use-after-free in
# Field::is_null(long long) const (Just testcase)
#
CREATE TABLE t1 (id int);
INSERT INTO t1 VALUES (-1),(0),(84);
SELECT
id IN (SELECT id
FROM t1
WINDOW w AS (ORDER BY (SELECT 1
FROM t1
WHERE
EXISTS ( SELECT id
FROM t1
GROUP BY id
WINDOW w2 AS (ORDER BY id)
)
)
)
)
FROM t1;
id IN (SELECT id
FROM t1
WINDOW w AS (ORDER BY (SELECT 1
FROM t1
WHERE
EXISTS ( SELECT id
FROM t1
GROUP BY id
WINDOW w2 AS (ORDER BY id)
)
)
)
)
1
1
1
DROP TABLE t1;
#
# End of 10.3 tests
#
|
