mariadb/mysql-test/extra/binlog_tests/binlog_cache_stat.test

# Embedded server doesn't support binlog
-- source include/not_embedded.inc
-- source include/have_innodb.inc

# Creating tables
--disable_warnings
drop table if exists t1, t2;
--enable_warnings

create table t1 (a int) engine=innodb;
create table t2 (a int) engine=myisam;

#
# 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.
#
# This test checks binlog_cache_use and binlog_cache_disk_use when
# transactions are committed and after when they are aborted.
#

#
# Checking commit.
#
--echo **** Preparing the enviroment to check commit and its effect on
--echo **** the binlog_cache_use and binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 0, binlog_cache_disk_use = 0.
flush status;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Now we are going to create transactional changes which are long enough so
--echo **** they will be flushed to disk...
--echo **** Expected: binlog_cache_use = 1, binlog_cache_disk_use = 1.
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";

--echo **** Transactional changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 2, binlog_cache_disk_use = 1.
begin;
insert into t1 values( 1 );
commit;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Non-Transactional changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 3, binlog_cache_disk_use = 1.
begin;
insert into t2 values( 1 );
commit;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Mixed changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 5, binlog_cache_disk_use = 1.
begin;
insert into t1 values( 1 );
insert into t2 values( 1 );
commit;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

#
# Checking abort.
#
--echo **** Preparing the enviroment to check abort and its effect on
--echo **** the binlog_cache_use and binlog_cache_disk_use
--echo **** Expected: binlog_cache_use = 0, binlog_cache_disk_use = 0.
flush status;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Now we are going to create transactional changes which are long enough so
--echo **** they will be flushed to disk...
--echo **** Expected: binlog_cache_use = 1, binlog_cache_disk_use = 1.
let $1=2000;
disable_query_log;
begin;
while ($1)
{
 eval insert into t1 values( $1 );
 dec $1;
}
rollback;
enable_query_log;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Transactional changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 2, binlog_cache_disk_use = 1.
begin;
insert into t1 values( 1 );
rollback;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Non-Transactional changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 3, binlog_cache_disk_use = 1.
begin;
insert into t2 values( 1 );
rollback;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";

--echo **** Mixed changes which should not be flushed to disk and so should not
--echo **** increase binlog_cache_disk_use.
--echo **** Expected: binlog_cache_use = 5, binlog_cache_disk_use = 1.
begin;
insert into t1 values( 1 );
insert into t2 values( 1 );
rollback;
show status like "binlog_cache_use";
show status like "binlog_cache_disk_use";
drop table t1, t2;