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source include/have_innodb.inc;
source include/have_log_bin.inc;
SET BINLOG_FORMAT=MIXED;
RESET MASTER;
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 SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
# Should be logged as statement
UPDATE t1 SET b = 2*a WHERE a > 1;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
# Should be logged as rows
UPDATE t1 SET b = a * a WHERE a > 3;
COMMIT;
# Check that errors are generated when trying to use READ COMMITTED
# transaction isolation level in STATEMENT binlog mode.
SET BINLOG_FORMAT=STATEMENT;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
BEGIN;
error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE;
UPDATE t1 SET b = 1*a WHERE a > 1;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
error ER_BINLOG_STMT_MODE_AND_ROW_ENGINE;
UPDATE t1 SET b = 2*a WHERE a > 2;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
UPDATE t1 SET b = 3*a WHERE a > 3;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN;
UPDATE t1 SET b = 4*a WHERE a > 4;
COMMIT;
SET BINLOG_FORMAT=MIXED;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
BEGIN;
UPDATE t1 SET b = 1*a WHERE a > 1;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
UPDATE t1 SET b = 2*a WHERE a > 2;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
UPDATE t1 SET b = 3*a WHERE a > 3;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN;
UPDATE t1 SET b = 4*a WHERE a > 4;
COMMIT;
SET BINLOG_FORMAT=ROW;
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
BEGIN;
UPDATE t1 SET b = 1*a WHERE a > 1;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
BEGIN;
UPDATE t1 SET b = 2*a WHERE a > 2;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
BEGIN;
UPDATE t1 SET b = 3*a WHERE a > 3;
COMMIT;
SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN;
UPDATE t1 SET b = 4*a WHERE a > 4;
COMMIT;
source include/show_binlog_events.inc;
DROP TABLE t1;
#
# Let us test binlog_cache_use and binlog_cache_disk_use status vars.
# Actually this test has nothing to do with innodb per se, it just requires
# transactional table.
#
flush status;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";
create table t1 (a int) engine=innodb;
# Now we are going to create transaction which is long enough so its
# transaction binlog will be flushed to disk...
let $1=2000;
disable_query_log;
begin;
while ($1)
{
eval insert into t1 values( $1 );
dec $1;
}
commit;
enable_query_log;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";
# Transaction which should not be flushed to disk and so should not
# increase binlog_cache_disk_use.
begin;
delete from t1;
commit;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";
drop table t1;
#
# Bug#27716 multi-update did partially and has not binlogged
#
CREATE TABLE `t1` (
`a` int(11) NOT NULL auto_increment,
`b` int(11) default NULL,
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;
CREATE TABLE `t2` (
`a` int(11) NOT NULL auto_increment,
`b` int(11) default NULL,
PRIMARY KEY (`a`)
) ENGINE=INNODB DEFAULT CHARSET=latin1 ;
# A. testing multi_update::send_eof() execution branch
insert into t1 values (1,1),(2,2);
insert into t2 values (1,1),(4,4);
reset master;
--error ER_DUP_ENTRY
UPDATE t2,t1 SET t2.a=t1.a+2;
# check
select * from t2 /* must be (3,1), (4,4) */;
--echo # There must no UPDATE in binlog;
source include/show_binlog_events.inc;
# B. testing multi_update::send_error() execution branch
delete from t1;
delete from t2;
insert into t1 values (1,2),(3,4),(4,4);
insert into t2 values (1,2),(3,4),(4,4);
reset master;
--error ER_DUP_ENTRY
UPDATE t2,t1 SET t2.a=t2.b where t2.a=t1.a;
--echo # There must be no UPDATE query event;
source include/show_binlog_events.inc;
# cleanup bug#27716
drop table t1, t2;
--echo *** MDEV-11937: InnoDB flushes redo log too often ***
# Count number of log fsyncs reported by InnoDB per commit.
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
SET @old_flush = @@GLOBAL.innodb_flush_log_at_trx_commit;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
--let $syncs1 = query_get_value(SHOW STATUS LIKE 'Innodb_data_fsyncs', Value, 1)
--let $ROWS = 100
--disable_query_log
let $count = $ROWS;
while ($count) {
eval INSERT INTO t1 VALUES ($count);
dec $count;
}
--let $syncs2 = query_get_value(SHOW STATUS LIKE 'Innodb_data_fsyncs', Value, 1)
eval SET @num_sync = $syncs2 - $syncs1;
--enable_query_log
# Allow a bit of slack, in case some background process or something
# is introducing a few more syncs.
eval SELECT IF(@num_sync < $ROWS*1.5, "OK",
CONCAT("ERROR: More than 1 fsync per commit (saw ", @num_sync/$ROWS, ")")) AS status;
DROP TABLE t1;
SET GLOBAL innodb_flush_log_at_trx_commit=@old_flush;
--echo End of tests
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