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BUG#23051 (READ COMMITTED breaks mixed and statement-based replication):

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Temporarily using thd_tx_isolation() until decision is made on how to
get the isolation level.
This commit is contained in:
mats@kindahl-laptop.dnsalias.net
2007-06-14 13:33:31 +02:00
parent 4ecdd55b49
commit 0341be4eb3
2 changed files with 49 additions and 1 deletions
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48
mysql-test/r/binlog_tx_isolation.result Normal file
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CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
SET BINLOG_FORMAT=STATEMENT;
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
ERROR HY000: Transaction isolation level 'READ-COMMITTED' is not safe for 'STATEMENT' binlog mode
UPDATE t1 SET b = a*a WHERE a > 1;
COMMIT;
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
UPDATE t1 SET b = a*a WHERE a > 1;
COMMIT;
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
UPDATE t1 SET b = a*a WHERE a > 1;
COMMIT;
SET BINLOG_FORMAT=MIXED;
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
ERROR HY000: Transaction isolation level 'READ-COMMITTED' is not safe for 'MIXED' binlog mode
UPDATE t1 SET b = a*a*a WHERE a > 2;
COMMIT;
SET BINLOG_FORMAT=ROW;
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
UPDATE t1 SET b = a*a*a*a WHERE a > 3;
COMMIT;
SELECT @@session.tx_isolation, @@session.binlog_format;
@@session.tx_isolation READ-COMMITTED
@@session.binlog_format ROW
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET BINLOG_FORMAT=MIXED;
ERROR HY000: Transaction isolation level 'READ-COMMITTED' prevents leaving 'ROW' binlog mode
UPDATE t1 SET b = a*a*a*a WHERE a > 3;
COMMIT;
SELECT @@session.tx_isolation, @@session.binlog_format;
@@session.tx_isolation READ-COMMITTED
@@session.binlog_format ROW
BEGIN;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET BINLOG_FORMAT=STATEMENT;
ERROR HY000: Transaction isolation level 'READ-COMMITTED' prevents leaving 'ROW' binlog mode
UPDATE t1 SET b = a*a*a*a WHERE a > 3;
COMMIT;
SELECT @@session.tx_isolation, @@session.binlog_format;
@@session.tx_isolation READ-COMMITTED
@@session.binlog_format ROW