use mysql;
truncate table general_log;
select * from general_log;
event_time	user_host	thread_id	server_id	command_type	argument
TIMESTAMP	root[root] @ localhost []	1	1	Query	select * from general_log
truncate table slow_log;
select * from slow_log;
start_time	user_host	query_time	lock_time	rows_sent	rows_examined	db	last_insert_id	insert_id	server_id	sql_text
truncate table general_log;
select * from general_log where argument like '%general_log%';
event_time	user_host	thread_id	server_id	command_type	argument
TIMESTAMP	root[root] @ localhost []	1	1	Query	select * from general_log where argument like '%general_log%'
create table join_test (verbose_comment varchar (80), command_type varchar(64));
insert into join_test values ("User performed a usual SQL query", "Query");
insert into join_test values ("New DB connection was registered", "Connect");
insert into join_test values ("Get the table info", "Field List");
select verbose_comment, user_host, argument
from  mysql.general_log join join_test
on (mysql.general_log.command_type = join_test.command_type);
verbose_comment	user_host	argument
User performed a usual SQL query	root[root] @ localhost []	select * from general_log where argument like '%general_log%'
User performed a usual SQL query	root[root] @ localhost []	create table join_test (verbose_comment varchar (80), command_type varchar(64))
User performed a usual SQL query	root[root] @ localhost []	insert into join_test values ("User performed a usual SQL query", "Query")
User performed a usual SQL query	root[root] @ localhost []	insert into join_test values ("New DB connection was registered", "Connect")
User performed a usual SQL query	root[root] @ localhost []	insert into join_test values ("Get the table info", "Field List")
User performed a usual SQL query	root[root] @ localhost []	select verbose_comment, user_host, argument
from  mysql.general_log join join_test
on (mysql.general_log.command_type = join_test.command_type)
drop table join_test;
flush logs;
lock tables mysql.general_log WRITE;
ERROR HY000: You can't write-lock a log table. Only read access is possible.
lock tables mysql.slow_log WRITE;
ERROR HY000: You can't write-lock a log table. Only read access is possible.
lock tables mysql.general_log READ;
ERROR HY000: You can't use usual read lock with log tables. Try READ LOCAL instead.
lock tables mysql.slow_log READ;
ERROR HY000: You can't use usual read lock with log tables. Try READ LOCAL instead.
lock tables mysql.slow_log READ LOCAL, mysql.general_log READ LOCAL;
unlock tables;
lock tables mysql.general_log READ LOCAL;
 flush logs;
unlock tables;
select "Mark that we woke up from flush logs in the test"
       as "test passed";
test passed
Mark that we woke up from flush logs in the test
lock tables mysql.general_log READ LOCAL;
 truncate mysql.general_log;
unlock tables;
select "Mark that we woke up from TRUNCATE in the test"
       as "test passed";
test passed
Mark that we woke up from TRUNCATE in the test
use test;
truncate table mysql.general_log;
set names utf8;
create table bug16905 (s char(15) character set utf8 default 'пусто');
insert into bug16905 values ('новое');
select * from mysql.general_log;
event_time	user_host	thread_id	server_id	command_type	argument
TIMESTAMP	root[root] @ localhost []	2	1	Query	set names utf8
TIMESTAMP	root[root] @ localhost []	2	1	Query	create table bug16905 (s char(15) character set utf8 default 'пусто')
TIMESTAMP	root[root] @ localhost []	2	1	Query	insert into bug16905 values ('новое')
TIMESTAMP	root[root] @ localhost []	2	1	Query	select * from mysql.general_log
drop table bug16905;