set global aria_page_checksum=1;
drop table if exists t1;
create table t1 (i int) engine=aria;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int(11) DEFAULT NULL
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
insert into t1 values (0);
lock tables t1 write concurrent;
insert into t1 values (1);
insert into t1 values (2);
/* should see 0, 1 and 2 */
select i from t1;
i
0
1
2
select count(*) from t1;
count(*)
3
/* should see 0 */
select i from t1;
i
0
select count(*) from t1;
count(*)
1
lock tables t1 write concurrent;
insert into t1 values (3);
insert into t1 values (4);
/* should see 0, 3 and 4 */
select i from t1;
i
0
3
4
select count(*) from t1;
count(*)
3
unlock tables;
lock tables t1 write concurrent;
insert into t1 values (5);
/* should see 0, 3, 4 and 5 */
select i from t1;
i
0
3
4
5
select count(*) from t1;
count(*)
4
lock tables t1 write concurrent;
/* should see 0, 3, 4 */
select i from t1;
i
0
3
4
select count(*) from t1;
count(*)
3
insert into t1 values (6);
/* Should see 0, 1, 2, 6 */
select i from t1;
i
0
1
2
6
select count(*) from t1;
count(*)
4
unlock tables;
lock tables t1 write concurrent;
/* Should see 0, 1, 2, 3, 4 and 6 */
select i from t1;
i
0
1
2
3
4
6
select count(*) from t1;
count(*)
6
/* should see 0, 3, 4, 5 */
select i from t1;
i
0
3
4
5
select count(*) from t1;
count(*)
4
unlock tables;
/* should see 0, 1, 2, 3, 4, 5, 6 */
select i from t1;
i
0
1
2
3
4
5
6
select count(*) from t1;
count(*)
7
unlock tables;
/* should see 0, 1, 2, 3, 4, 5, 6 */
select i from t1;
i
0
1
2
3
4
5
6
select count(*) from t1;
count(*)
7
insert into t1 values (7);
/* should see 0, 3, 4, 7 */
select i from t1;
i
0
3
4
7
select count(*) from t1;
count(*)
4
unlock tables;
/* should see 0, 1, 2, 3, 4, 5, 6, 7 */
select i from t1;
i
0
1
2
3
4
5
6
7
select count(*) from t1;
count(*)
8
drop table t1;
CREATE TABLE t1 (fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,    g GEOMETRY NOT NULL,   SPATIAL KEY(g) ) transactional=1 row_format=page engine=aria;
lock tables t1 write concurrent, t1 as t2 write concurrent;
insert into t1 (fid,g) values (NULL,GeomFromText('LineString(0 0,1 1)'));
select fid from t1 as t2;
fid
1
select count(*) from t1 as t2;
count(*)
1
insert into t1 (fid,g) values (NULL,GeomFromText('LineString(0 0,1 1)'));
select fid from t1 as t2;
fid
1
2
select count(*) from t1 as t2;
count(*)
2
unlock tables;
drop table t1;