CREATE TABLE t1 (
id INT NOT NULL,
store_id INT NOT NULL,
x INT GENERATED ALWAYS AS (id + store_id)
)
PARTITION BY RANGE (store_id) (
PARTITION p0 VALUES LESS THAN (6),
PARTITION p1 VALUES LESS THAN (11),
PARTITION p2 VALUES LESS THAN (16),
PARTITION p3 VALUES LESS THAN (21)
);
INSERT t1 (id, store_id) VALUES(1, 2), (3, 4), (3, 12), (4, 18);
CREATE INDEX idx ON t1(x);
SELECT x FROM t1;
x
3
7
15
22
DROP TABLE t1;
create table t1 (i int, v int as (i) virtual)
partition by range columns (i)
subpartition by hash(v) subpartitions 3 (
partition p1 values less than (3),
partition pn values less than (maxvalue));
insert t1 set i= 0;
set statement sql_mode= '' for update t1 set i= 1, v= 2;
Warnings:
Warning	1906	The value specified for generated column 'v' in table 't1' has been ignored
drop table t1;
#
# MDEV-18734 ASAN heap-use-after-free in my_strnxfrm_simple_internal upon update on versioned partitioned table
#
# Cover queue_fix() in ha_partition::handle_ordered_index_scan()
create or replace table t1 (
x int auto_increment primary key,
b text, v mediumtext as (b) virtual,
index (v(10))
) partition by range columns (x) (
partition p1 values less than (3),
partition p2 values less than (6),
partition p3 values less than (9),
partition p4 values less than (12),
partition p5 values less than (15),
partition p6 values less than (17),
partition p7 values less than (19),
partition p8 values less than (21),
partition p9 values less than (23),
partition p10 values less than (25),
partition p11 values less than (27),
partition p12 values less than (29),
partition p13 values less than (31),
partition p14 values less than (33),
partition p15 values less than (35),
partition pn values less than (maxvalue));
insert into t1 (b) values
(repeat('q', 8192)), (repeat('z', 8192)), (repeat('a', 8192)), (repeat('b', 8192)),
(repeat('x', 8192)), (repeat('y', 8192));
insert t1 (b) select b from t1;
insert t1 (b) select b from t1;
insert t1 (b) select b from t1;
insert t1 (b) select b from t1;
select x, left(b, 10), left(v, 10) from t1 where x > 30 and x < 60 order by v;
x	left(b, 10)	left(v, 10)
33	aaaaaaaaaa	aaaaaaaaaa
39	aaaaaaaaaa	aaaaaaaaaa
45	aaaaaaaaaa	aaaaaaaaaa
51	aaaaaaaaaa	aaaaaaaaaa
57	aaaaaaaaaa	aaaaaaaaaa
34	bbbbbbbbbb	bbbbbbbbbb
40	bbbbbbbbbb	bbbbbbbbbb
46	bbbbbbbbbb	bbbbbbbbbb
52	bbbbbbbbbb	bbbbbbbbbb
58	bbbbbbbbbb	bbbbbbbbbb
31	qqqqqqqqqq	qqqqqqqqqq
37	qqqqqqqqqq	qqqqqqqqqq
43	qqqqqqqqqq	qqqqqqqqqq
49	qqqqqqqqqq	qqqqqqqqqq
55	qqqqqqqqqq	qqqqqqqqqq
35	xxxxxxxxxx	xxxxxxxxxx
41	xxxxxxxxxx	xxxxxxxxxx
47	xxxxxxxxxx	xxxxxxxxxx
53	xxxxxxxxxx	xxxxxxxxxx
59	xxxxxxxxxx	xxxxxxxxxx
36	yyyyyyyyyy	yyyyyyyyyy
42	yyyyyyyyyy	yyyyyyyyyy
48	yyyyyyyyyy	yyyyyyyyyy
54	yyyyyyyyyy	yyyyyyyyyy
32	zzzzzzzzzz	zzzzzzzzzz
38	zzzzzzzzzz	zzzzzzzzzz
44	zzzzzzzzzz	zzzzzzzzzz
50	zzzzzzzzzz	zzzzzzzzzz
56	zzzzzzzzzz	zzzzzzzzzz
update t1 set b= 'bar' where v > 'a' limit 20;
drop table t1;
# Cover return_top_record() in ha_partition::handle_ordered_index_scan()
create table t1 (x int primary key, b tinytext, v text as (b) virtual)
partition by range columns (x) (
partition p1 values less than (4),
partition pn values less than (maxvalue));
insert into t1 (x, b) values (1, ''), (2, ''), (3, 'a'), (4, 'b');
update t1 set b= 'bar' where x > 0 order by v limit 2;
drop table t1;