145 lines
2.5 KiB
Plaintext
145 lines
2.5 KiB
Plaintext
DROP TABLE IF EXISTS t1;
|
|
connect con1,localhost,root,,;
|
|
connect con2,localhost,root,,;
|
|
connection con1;
|
|
CREATE TABLE t1 (a INT, pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=XENGINE;
|
|
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
connection con2;
|
|
select * from information_schema.xengine_dbstats where stat_type='DB_NUM_SNAPSHOTS';
|
|
STAT_TYPE VALUE
|
|
DB_NUM_SNAPSHOTS 1
|
|
connection con1;
|
|
COMMIT;
|
|
connection con2;
|
|
select * from information_schema.xengine_dbstats where stat_type='DB_NUM_SNAPSHOTS';
|
|
STAT_TYPE VALUE
|
|
DB_NUM_SNAPSHOTS 0
|
|
connection con1;
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
connection con2;
|
|
INSERT INTO t1 (a) VALUES (1);
|
|
connection con1;
|
|
# If consistent read works on this isolation level (REPEATABLE READ), the following SELECT should not return the value we inserted (1)
|
|
SELECT a FROM t1;
|
|
a
|
|
COMMIT;
|
|
connection default;
|
|
disconnect con1;
|
|
disconnect con2;
|
|
DROP TABLE t1;
|
|
connect con1,localhost,root,,;
|
|
connect con2,localhost,root,,;
|
|
connection con1;
|
|
CREATE TABLE r1 (id int primary key, value int, value2 int) engine=XENGINE;
|
|
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
|
|
insert into r1 values (1,1,1),(2,2,2),(3,3,3),(4,4,4);
|
|
BEGIN;
|
|
connection con2;
|
|
INSERT INTO r1 values (5,5,5);
|
|
connection con1;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
connection con2;
|
|
INSERT INTO r1 values (6,6,6);
|
|
connection con1;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
COMMIT;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
connection con2;
|
|
INSERT INTO r1 values (7,7,7);
|
|
connection con1;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
connection con2;
|
|
INSERT INTO r1 values (8,8,8);
|
|
connection con1;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
COMMIT;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
7 7 7
|
|
8 8 8
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
connection con2;
|
|
INSERT INTO r1 values (9,9,9);
|
|
connection con1;
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
connection con2;
|
|
INSERT INTO r1 values (10,10,10);
|
|
connection con1;
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
7 7 7
|
|
8 8 8
|
|
9 9 9
|
|
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
|
ERROR: 0
|
|
INSERT INTO r1 values (11,11,11);
|
|
ERROR: 1105
|
|
SELECT * FROM r1;
|
|
id value value2
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
4 4 4
|
|
5 5 5
|
|
6 6 6
|
|
7 7 7
|
|
8 8 8
|
|
9 9 9
|
|
10 10 10
|
|
drop table r1;
|
|
connection default;
|
|
disconnect con1;
|
|
disconnect con2;
|