1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
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# Establish connection conn1 (user = root)
SET DEFAULT_STORAGE_ENGINE = 'tokudb';
DROP TABLE IF EXISTS foo;
set session transaction isolation level read committed;
create table foo ( a int, b int, primary key (a));
insert into foo values (1,1),(2,2),(3,1),(4,3);
select * from foo;
a b
1 1
2 2
3 1
4 3
begin;
update foo set b=10 where b=1;
select * from foo;
a b
1 10
2 2
3 10
4 3
set session transaction isolation level read committed;
select * from foo;
a b
1 1
2 2
3 1
4 3
set session transaction isolation level read uncommitted;
select * from foo;
a b
1 10
2 2
3 10
4 3
rollback;
begin;
insert into foo values (5,1),(6,2),(7,1),(8,3);
select * from foo;
a b
1 1
2 2
3 1
4 3
5 1
6 2
7 1
8 3
set session transaction isolation level read committed;
select * from foo;
a b
1 1
2 2
3 1
4 3
set session transaction isolation level read uncommitted;
select * from foo;
a b
1 1
2 2
3 1
4 3
5 1
6 2
7 1
8 3
commit;
begin;
delete from foo where b=1;
select * from foo;
a b
2 2
4 3
6 2
8 3
set session transaction isolation level read committed;
select * from foo;
a b
1 1
2 2
3 1
4 3
5 1
6 2
7 1
8 3
set session transaction isolation level read uncommitted;
select * from foo;
a b
2 2
4 3
6 2
8 3
commit;
set session transaction isolation level serializable;
DROP TABLE foo;
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