1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
Temporarily using thd_tx_isolation() until decision is made on how to
get the isolation level.


storage/innobase/handler/ha_innodb.cc:
  Using thd_tx_isolation() instead of direct access to variable.
mysql-test/r/binlog_tx_isolation.result:
  New BitKeeper file ``mysql-test/r/binlog_tx_isolation.result''
This commit is contained in:
unknown 2007-06-14 13:33:31 +02:00
parent 83d2257826
commit dd3ff42c54
2 changed files with 49 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
mysql-test/r/binlog_tx_isolation.result Normal file
View File

@ -0,0 +1,48 @@
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

2
storage/innobase/handler/ha_innodb.cc
View File

@ -2285,7 +2285,7 @@ ha_innobase::table_flags() const
is called from mysql_lock_tables()) until after this
function has been called (which is called in lock_tables()
before that function calls mysql_lock_tables()). */
ulong const tx_isolation= thd->variables.tx_isolation;
ulong const tx_isolation= thd_tx_isolation(thd);
if (tx_isolation <= ISO_READ_COMMITTED)
{
ulong const binlog_format= thd->variables.binlog_format;