mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	"Server Variables for Plugins" Implement support for plugins to declare server variables. Demonstrate functionality by removing InnoDB specific code from sql/* New feature for HASH - HASH_UNIQUE flag New feature for DYNAMIC_ARRAY - initializer accepts preallocated ptr. Completed support for plugin reference counting.
		
			
				
	
	
		
			290 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			290 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
use mysql;
 | 
						|
truncate table general_log;
 | 
						|
select * from general_log;
 | 
						|
event_time	user_host	thread_id	server_id	command_type	argument
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	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	USER_HOST	THREAD_ID	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	USER_HOST	select * from general_log where argument like '%general_log%'
 | 
						|
User performed a usual SQL query	USER_HOST	create table join_test (verbose_comment varchar (80), command_type varchar(64))
 | 
						|
User performed a usual SQL query	USER_HOST	insert into join_test values ("User performed a usual SQL query", "Query")
 | 
						|
User performed a usual SQL query	USER_HOST	insert into join_test values ("New DB connection was registered", "Connect")
 | 
						|
User performed a usual SQL query	USER_HOST	insert into join_test values ("Get the table info", "Field List")
 | 
						|
User performed a usual SQL query	USER_HOST	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	USER_HOST	THREAD_ID	1	Query	set names utf8
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	create table bug16905 (s char(15) character set utf8 default 'пусто')
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	insert into bug16905 values ('новое')
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from mysql.general_log
 | 
						|
drop table bug16905;
 | 
						|
truncate table mysql.slow_log;
 | 
						|
set session long_query_time=1;
 | 
						|
select sleep(2);
 | 
						|
sleep(2)
 | 
						|
0
 | 
						|
select * from mysql.slow_log;
 | 
						|
start_time	user_host	query_time	lock_time	rows_sent	rows_examined	db	last_insert_id	insert_id	server_id	sql_text
 | 
						|
TIMESTAMP	USER_HOST	QUERY_TIME	00:00:00	1	0	test	0	0	1	select sleep(2)
 | 
						|
alter table mysql.general_log engine=myisam;
 | 
						|
ERROR HY000: You cannot 'ALTER' a log table if logging is enabled
 | 
						|
alter table mysql.slow_log engine=myisam;
 | 
						|
ERROR HY000: You cannot 'ALTER' a log table if logging is enabled
 | 
						|
drop table mysql.general_log;
 | 
						|
ERROR HY000: You cannot 'DROP' a log table if logging is enabled
 | 
						|
drop table mysql.slow_log;
 | 
						|
ERROR HY000: You cannot 'DROP' a log table if logging is enabled
 | 
						|
set global general_log='OFF';
 | 
						|
alter table mysql.slow_log engine=myisam;
 | 
						|
ERROR HY000: You cannot 'ALTER' a log table if logging is enabled
 | 
						|
set global slow_query_log='OFF';
 | 
						|
show create table mysql.general_log;
 | 
						|
Table	Create Table
 | 
						|
general_log	CREATE TABLE `general_log` (
 | 
						|
  `event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
  `user_host` mediumtext,
 | 
						|
  `thread_id` int(11) DEFAULT NULL,
 | 
						|
  `server_id` int(11) DEFAULT NULL,
 | 
						|
  `command_type` varchar(64) DEFAULT NULL,
 | 
						|
  `argument` mediumtext
 | 
						|
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log'
 | 
						|
show create table mysql.slow_log;
 | 
						|
Table	Create Table
 | 
						|
slow_log	CREATE TABLE `slow_log` (
 | 
						|
  `start_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
  `user_host` mediumtext NOT NULL,
 | 
						|
  `query_time` time NOT NULL,
 | 
						|
  `lock_time` time NOT NULL,
 | 
						|
  `rows_sent` int(11) NOT NULL,
 | 
						|
  `rows_examined` int(11) NOT NULL,
 | 
						|
  `db` varchar(512) DEFAULT NULL,
 | 
						|
  `last_insert_id` int(11) DEFAULT NULL,
 | 
						|
  `insert_id` int(11) DEFAULT NULL,
 | 
						|
  `server_id` int(11) DEFAULT NULL,
 | 
						|
  `sql_text` mediumtext NOT NULL
 | 
						|
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log'
 | 
						|
alter table mysql.general_log engine=myisam;
 | 
						|
alter table mysql.slow_log engine=myisam;
 | 
						|
show create table mysql.general_log;
 | 
						|
Table	Create Table
 | 
						|
general_log	CREATE TABLE `general_log` (
 | 
						|
  `event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
  `user_host` mediumtext,
 | 
						|
  `thread_id` int(11) DEFAULT NULL,
 | 
						|
  `server_id` int(11) DEFAULT NULL,
 | 
						|
  `command_type` varchar(64) DEFAULT NULL,
 | 
						|
  `argument` mediumtext
 | 
						|
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='General log'
 | 
						|
show create table mysql.slow_log;
 | 
						|
Table	Create Table
 | 
						|
slow_log	CREATE TABLE `slow_log` (
 | 
						|
  `start_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
  `user_host` mediumtext NOT NULL,
 | 
						|
  `query_time` time NOT NULL,
 | 
						|
  `lock_time` time NOT NULL,
 | 
						|
  `rows_sent` int(11) NOT NULL,
 | 
						|
  `rows_examined` int(11) NOT NULL,
 | 
						|
  `db` varchar(512) DEFAULT NULL,
 | 
						|
  `last_insert_id` int(11) DEFAULT NULL,
 | 
						|
  `insert_id` int(11) DEFAULT NULL,
 | 
						|
  `server_id` int(11) DEFAULT NULL,
 | 
						|
  `sql_text` mediumtext NOT NULL
 | 
						|
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='Slow log'
 | 
						|
set global general_log='ON';
 | 
						|
set global slow_query_log='ON';
 | 
						|
select * from mysql.general_log;
 | 
						|
event_time	user_host	thread_id	server_id	command_type	argument
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	set names utf8
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	create table bug16905 (s char(15) character set utf8 default 'пусто')
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	insert into bug16905 values ('новое')
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from mysql.general_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	drop table bug16905
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	truncate table mysql.slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	set session long_query_time=1
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select sleep(2)
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from mysql.slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	alter table mysql.general_log engine=myisam
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	alter table mysql.slow_log engine=myisam
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	drop table mysql.general_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	drop table mysql.slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	set global general_log='OFF'
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	set global slow_query_log='ON'
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from mysql.general_log
 | 
						|
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;
 | 
						|
set global general_log='OFF';
 | 
						|
set global slow_query_log='OFF';
 | 
						|
set @save_storage_engine= @@session.storage_engine;
 | 
						|
set storage_engine= MEMORY;
 | 
						|
alter table mysql.slow_log engine=ndb;
 | 
						|
ERROR HY000: This storage engine cannot be used for log tables"
 | 
						|
alter table mysql.slow_log engine=innodb;
 | 
						|
ERROR HY000: This storage engine cannot be used for log tables"
 | 
						|
alter table mysql.slow_log engine=archive;
 | 
						|
ERROR HY000: This storage engine cannot be used for log tables"
 | 
						|
alter table mysql.slow_log engine=blackhole;
 | 
						|
ERROR HY000: This storage engine cannot be used for log tables"
 | 
						|
set storage_engine= @save_storage_engine;
 | 
						|
drop table mysql.slow_log;
 | 
						|
drop table mysql.general_log;
 | 
						|
drop table mysql.general_log;
 | 
						|
ERROR 42S02: Unknown table 'general_log'
 | 
						|
drop table mysql.slow_log;
 | 
						|
ERROR 42S02: Unknown table 'slow_log'
 | 
						|
use mysql;
 | 
						|
CREATE TABLE `general_log` (
 | 
						|
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
 | 
						|
ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
`user_host` mediumtext,
 | 
						|
`thread_id` int(11) DEFAULT NULL,
 | 
						|
`server_id` int(11) DEFAULT NULL,
 | 
						|
`command_type` varchar(64) DEFAULT NULL,
 | 
						|
`argument` mediumtext
 | 
						|
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log';
 | 
						|
CREATE TABLE `slow_log` (
 | 
						|
`start_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
 | 
						|
ON UPDATE CURRENT_TIMESTAMP,
 | 
						|
`user_host` mediumtext NOT NULL,
 | 
						|
`query_time` time NOT NULL,
 | 
						|
`lock_time` time NOT NULL,
 | 
						|
`rows_sent` int(11) NOT NULL,
 | 
						|
`rows_examined` int(11) NOT NULL,
 | 
						|
`db` varchar(512) DEFAULT NULL,
 | 
						|
`last_insert_id` int(11) DEFAULT NULL,
 | 
						|
`insert_id` int(11) DEFAULT NULL,
 | 
						|
`server_id` int(11) DEFAULT NULL,
 | 
						|
`sql_text` mediumtext NOT NULL
 | 
						|
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log';
 | 
						|
set global general_log='ON';
 | 
						|
set global slow_query_log='ON';
 | 
						|
use test;
 | 
						|
flush tables with read lock;
 | 
						|
unlock tables;
 | 
						|
use mysql;
 | 
						|
lock tables general_log read local, help_category read local;
 | 
						|
unlock tables;
 | 
						|
use mysql;
 | 
						|
RENAME TABLE general_log TO renamed_general_log;
 | 
						|
ERROR HY000: Cannot rename 'general_log'. When logging enabled, rename to/from log table must rename two tables: the log table to an archive table and another table back to 'general_log'
 | 
						|
RENAME TABLE slow_log TO renamed_slow_log;
 | 
						|
ERROR HY000: Cannot rename 'slow_log'. When logging enabled, rename to/from log table must rename two tables: the log table to an archive table and another table back to 'slow_log'
 | 
						|
truncate table general_log;
 | 
						|
select * from general_log;
 | 
						|
event_time	user_host	thread_id	server_id	command_type	argument
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	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
 | 
						|
create table general_log_new like general_log;
 | 
						|
rename table general_log TO renamed_general_log, general_log_new TO general_log;
 | 
						|
create table slow_log_new like slow_log;
 | 
						|
rename table slow_log TO renamed_slow_log, slow_log_new TO slow_log;
 | 
						|
rename table general_log TO general_log_new, renamed_general_log TO general_log, slow_log to renamed_slow_log;
 | 
						|
ERROR HY000: Cannot rename 'slow_log'. When logging enabled, rename to/from log table must rename two tables: the log table to an archive table and another table back to 'slow_log'
 | 
						|
select * from general_log;
 | 
						|
event_time	user_host	thread_id	server_id	command_type	argument
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	create table slow_log_new like slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	rename table slow_log TO renamed_slow_log, slow_log_new TO slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	rename table general_log TO general_log_new, renamed_general_log TO general_log, slow_log to renamed_slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from general_log
 | 
						|
select * from renamed_general_log;
 | 
						|
event_time	user_host	thread_id	server_id	command_type	argument
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from general_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	truncate table slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	select * from slow_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	create table general_log_new like general_log
 | 
						|
TIMESTAMP	USER_HOST	THREAD_ID	1	Query	rename table general_log TO renamed_general_log, general_log_new TO general_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
 | 
						|
select * from renamed_slow_log;
 | 
						|
start_time	user_host	query_time	lock_time	rows_sent	rows_examined	db	last_insert_id	insert_id	server_id	sql_text
 | 
						|
set global general_log='OFF';
 | 
						|
RENAME TABLE general_log TO general_log2;
 | 
						|
set global slow_query_log='OFF';
 | 
						|
RENAME TABLE slow_log TO slow_log2;
 | 
						|
set global general_log='ON';
 | 
						|
ERROR HY000: Cannot activate 'general' log
 | 
						|
set global slow_query_log='ON';
 | 
						|
ERROR HY000: Cannot activate 'slow query' log
 | 
						|
RENAME TABLE general_log2 TO general_log;
 | 
						|
RENAME TABLE slow_log2 TO slow_log;
 | 
						|
set global general_log='ON';
 | 
						|
set global slow_query_log='ON';
 | 
						|
flush logs;
 | 
						|
flush logs;
 | 
						|
drop table renamed_general_log, renamed_slow_log;
 | 
						|
use test;
 | 
						|
use mysql;
 | 
						|
repair table general_log;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
mysql.general_log	repair	status	OK
 | 
						|
repair table slow_log;
 | 
						|
Table	Op	Msg_type	Msg_text
 | 
						|
mysql.slow_log	repair	status	OK
 | 
						|
create table general_log_new like general_log;
 | 
						|
create table slow_log_new like slow_log;
 | 
						|
show tables like "%log%";
 | 
						|
Tables_in_mysql (%log%)
 | 
						|
general_log
 | 
						|
general_log_new
 | 
						|
ndb_binlog_index
 | 
						|
slow_log
 | 
						|
slow_log_new
 | 
						|
drop table slow_log_new, general_log_new;
 | 
						|
use test;
 |