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A
CREATE TABLE t1 (a int);
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
INSERT INTO t1 values (1);
B
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
SELECT * from t1;
a
A
INSERT INTO t1 values (2);
B
SELECT * from t1;
a
COMMIT;
BEGIN;
SELECT * FROM t1;
a
A
COMMIT;
B
SELECT * from t1 order by a;
a
1
2
COMMIT;
BEGIN;
SELECT * from t1 order by a;
a
1
2
COMMIT;
DROP TABLE t1;
SET AUTOCOMMIT= 0;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 0
BEGIN;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 0
COMMIT;
DROP SCHEMA IF EXISTS boundaries;
Warnings:
Note 1008 Can't drop schema 'boundaries'; schema doesn't exist
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 1
COMMIT;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 1
SET AUTOCOMMIT= 1;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 1
BEGIN;
COMMIT;
DROP SCHEMA IF EXISTS boundaries;
Warnings:
Note 1008 Can't drop schema 'boundaries'; schema doesn't exist
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
CREATE TABLE commit_test (a int);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
INSERT into commit_test VALUES (10), (20);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
BEGIN;
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 2
COMMIT;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 3
BEGIN;
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 3
ROLLBACK;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 3
BEGIN;
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 3
COMMIT;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 4
SET AUTOCOMMIT= 0;
INSERT into commit_test VALUES (10);
INSERT into commit_test VALUES (10);
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 4
COMMIT;
drop table commit_test;
SHOW STATUS LIKE 'Handler_commit%';
Variable_name Value
Handler_commit 5
DROP TABLE IF EXISTS t1_trx, t1_non_trx;
SET AUTOCOMMIT= 0;
CREATE TABLE t1_trx (
k VARCHAR(10) NOT NULL
, v VARCHAR(10) NOT NULL
, PRIMARY KEY (k)
) ENGINE=InnoDB;
CREATE TEMPORARY TABLE t1_non_trx (
k VARCHAR(10) NOT NULL
, v VARCHAR(10) NOT NULL
, PRIMARY KEY (k)
) ENGINE=MyISAM;
START TRANSACTION;
INSERT INTO t1_trx VALUES ('key1','value1');
INSERT INTO t1_trx VALUES ('key2','value2');
INSERT INTO t1_non_trx VALUES ('key1','value1');
INSERT INTO t1_non_trx VALUES ('key2','value2');
ROLLBACK;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
Expected warning about non-trx data changes not being rolled back
SELECT * FROM t1_trx;
k v
SELECT * FROM t1_non_trx;
k v
key1 value1
key2 value2
START TRANSACTION;
INSERT INTO t1_trx VALUES ('key1','value1');
INSERT INTO t1_trx VALUES ('key2','value2');
SELECT t1_trx.k, t1_trx.v
FROM t1_trx
INNER JOIN t1_non_trx ON t1_trx.k = t1_non_trx.k;
k v
key1 value1
key2 value2
ROLLBACK;
SELECT t1_trx.k, t1_trx.v
FROM t1_trx
INNER JOIN t1_non_trx ON t1_trx.k = t1_non_trx.k;
k v
COMMIT;
DROP TABLE t1_trx;
DROP TABLE t1_non_trx;
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