mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
ae2768ce9c
Bug#16565 mysqld --help --verbose does not order variablesBug#20413 sql_slave_skip_counter is not shown in show variables Bug#20415 Output of mysqld --help --verbose is incomplete Bug#25430 variable not found in SELECT @@global.ft_max_word_len; Bug#32902 plugin variables don't know their names Bug#34599 MySQLD Option and Variable Reference need to be consistent in formatting! Bug#34829 No default value for variable and setting default does not raise error Bug#34834 ? Is accepted as a valid sql mode Bug#34878 Few variables have default value according to documentation but error occurs Bug#34883 ft_boolean_syntax cant be assigned from user variable to global var. Bug#37187 `INFORMATION_SCHEMA`.`GLOBAL_VARIABLES`: inconsistent status Bug#40988 log_output_basic.test succeeded though syntactically false. Bug#41010 enum-style command-line options are not honoured (maria.maria-recover fails) Bug#42103 Setting key_buffer_size to a negative value may lead to very large allocations Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled Bug#44797 plugins w/o command-line options have no disabling option in --help Bug#46314 string system variables don't support expressions Bug#46470 sys_vars.max_binlog_cache_size_basic_32 is broken Bug#46586 When using the plugin interface the type "set" for options caused a crash. Bug#47212 Crash in DBUG_PRINT in mysqltest.cc when trying to print octal number Bug#48758 mysqltest crashes on sys_vars.collation_server_basic in gcov builds Bug#49417 some complaints about mysqld --help --verbose output Bug#49540 DEFAULT value of binlog_format isn't the default value Bug#49640 ambiguous option '--skip-skip-myisam' (double skip prefix) Bug#49644 init_connect and \0 Bug#49645 init_slave and multi-byte characters Bug#49646 mysql --show-warnings crashes when server dies
385 lines
10 KiB
Text
385 lines
10 KiB
Text
drop table if exists t1, t2, t3;
|
|
SET @save_key_buffer=@@key_buffer_size;
|
|
SELECT @@key_buffer_size, @@small.key_buffer_size;
|
|
@@key_buffer_size @@small.key_buffer_size
|
|
2097152 131072
|
|
SET @@global.key_buffer_size=16*1024*1024;
|
|
SET @@global.default.key_buffer_size=16*1024*1024;
|
|
SET @@global.default.key_buffer_size=16*1024*1024;
|
|
SET @@global.small.key_buffer_size=1*1024*1024;
|
|
SET @@global.medium.key_buffer_size=4*1024*1024;
|
|
SET @@global.medium.key_buffer_size=0;
|
|
SET @@global.medium.key_buffer_size=0;
|
|
SHOW VARIABLES like "key_buffer_size";
|
|
Variable_name Value
|
|
key_buffer_size 16777216
|
|
SELECT @@key_buffer_size;
|
|
@@key_buffer_size
|
|
16777216
|
|
SELECT @@global.key_buffer_size;
|
|
@@global.key_buffer_size
|
|
16777216
|
|
SELECT @@global.default.key_buffer_size;
|
|
@@global.default.key_buffer_size
|
|
16777216
|
|
SELECT @@global.default.`key_buffer_size`;
|
|
@@global.default.`key_buffer_size`
|
|
16777216
|
|
SELECT @@global.`default`.`key_buffer_size`;
|
|
@@global.`default`.`key_buffer_size`
|
|
16777216
|
|
SELECT @@`default`.key_buffer_size;
|
|
@@`default`.key_buffer_size
|
|
16777216
|
|
SELECT @@small.key_buffer_size;
|
|
@@small.key_buffer_size
|
|
1048576
|
|
SELECT @@medium.key_buffer_size;
|
|
@@medium.key_buffer_size
|
|
0
|
|
SET @@global.key_buffer_size=@save_key_buffer;
|
|
SELECT @@default.key_buffer_size;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'default.key_buffer_size' at line 1
|
|
SELECT @@skr.storage_engine="test";
|
|
ERROR HY000: Variable 'storage_engine' is not a variable component (can't be used as XXXX.variable_name)
|
|
select @@keycache1.key_cache_block_size;
|
|
@@keycache1.key_cache_block_size
|
|
0
|
|
select @@keycache1.key_buffer_size;
|
|
@@keycache1.key_buffer_size
|
|
0
|
|
set global keycache1.key_cache_block_size=2048;
|
|
select @@keycache1.key_buffer_size;
|
|
@@keycache1.key_buffer_size
|
|
0
|
|
select @@keycache1.key_cache_block_size;
|
|
@@keycache1.key_cache_block_size
|
|
2048
|
|
set global keycache1.key_buffer_size=1*1024*1024;
|
|
select @@keycache1.key_buffer_size;
|
|
@@keycache1.key_buffer_size
|
|
1048576
|
|
select @@keycache1.key_cache_block_size;
|
|
@@keycache1.key_cache_block_size
|
|
2048
|
|
set global keycache2.key_buffer_size=4*1024*1024;
|
|
select @@keycache2.key_buffer_size;
|
|
@@keycache2.key_buffer_size
|
|
4194304
|
|
select @@keycache2.key_cache_block_size;
|
|
@@keycache2.key_cache_block_size
|
|
1024
|
|
set global keycache1.key_buffer_size=0;
|
|
select @@keycache1.key_buffer_size;
|
|
@@keycache1.key_buffer_size
|
|
0
|
|
select @@keycache1.key_cache_block_size;
|
|
@@keycache1.key_cache_block_size
|
|
2048
|
|
select @@key_buffer_size;
|
|
@@key_buffer_size
|
|
2097152
|
|
select @@key_cache_block_size;
|
|
@@key_cache_block_size
|
|
1024
|
|
set global keycache1.key_buffer_size=1024*1024;
|
|
create table t1 (p int primary key, a char(10)) delay_key_write=1;
|
|
create table t2 (p int primary key, i int, a char(10), key k1(i), key k2(a));
|
|
show status like 'key_blocks_used';
|
|
Variable_name Value
|
|
Key_blocks_used 0
|
|
show status like 'key_blocks_unused';
|
|
Variable_name Value
|
|
Key_blocks_unused KEY_BLOCKS_UNUSED
|
|
insert into t1 values (1, 'qqqq'), (11, 'yyyy');
|
|
insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
|
|
(3, 1, 'yyyy'), (4, 3, 'zzzz');
|
|
select * from t1;
|
|
p a
|
|
1 qqqq
|
|
11 yyyy
|
|
select * from t2;
|
|
p i a
|
|
1 1 qqqq
|
|
2 1 pppp
|
|
3 1 yyyy
|
|
4 3 zzzz
|
|
update t1 set p=2 where p=1;
|
|
update t2 set i=2 where i=1;
|
|
show status like 'key_blocks_used';
|
|
Variable_name Value
|
|
Key_blocks_used 4
|
|
show status like 'key_blocks_unused';
|
|
Variable_name Value
|
|
Key_blocks_unused KEY_BLOCKS_UNUSED
|
|
cache index t1 key (`primary`) in keycache1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 assign_to_keycache status OK
|
|
explain select p from t1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index
|
|
select p from t1;
|
|
p
|
|
2
|
|
11
|
|
explain select i from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL k1 5 NULL 4 Using index
|
|
select i from t2;
|
|
i
|
|
2
|
|
2
|
|
2
|
|
3
|
|
explain select count(*) from t1, t2 where t1.p = t2.i;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index
|
|
1 SIMPLE t2 ref k1 k1 5 test.t1.p 2 Using where; Using index
|
|
select count(*) from t1, t2 where t1.p = t2.i;
|
|
count(*)
|
|
3
|
|
cache index t2 in keycache1;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 assign_to_keycache status OK
|
|
update t2 set p=p+1000, i=2 where a='qqqq';
|
|
cache index t2 in keycache2;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 assign_to_keycache status OK
|
|
insert into t2 values (2000, 3, 'yyyy');
|
|
cache index t2 in keycache1;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 assign_to_keycache status OK
|
|
update t2 set p=3000 where a='zzzz';
|
|
select * from t2;
|
|
p i a
|
|
1001 2 qqqq
|
|
2 2 pppp
|
|
3 2 yyyy
|
|
3000 3 zzzz
|
|
2000 3 yyyy
|
|
explain select p from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL PRIMARY 4 NULL 5 Using index
|
|
select p from t2;
|
|
p
|
|
2
|
|
3
|
|
1001
|
|
2000
|
|
3000
|
|
explain select i from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL k1 5 NULL 5 Using index
|
|
select i from t2;
|
|
i
|
|
2
|
|
2
|
|
2
|
|
3
|
|
3
|
|
explain select a from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL k2 11 NULL 5 Using index
|
|
select a from t2;
|
|
a
|
|
pppp
|
|
qqqq
|
|
yyyy
|
|
yyyy
|
|
zzzz
|
|
cache index t1 in unknown_key_cache;
|
|
ERROR HY000: Unknown key cache 'unknown_key_cache'
|
|
cache index t1 key (unknown_key) in keycache1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 assign_to_keycache Error Key 'unknown_key' doesn't exist in table 't1'
|
|
test.t1 assign_to_keycache status Operation failed
|
|
select @@keycache2.key_buffer_size;
|
|
@@keycache2.key_buffer_size
|
|
4194304
|
|
select @@keycache2.key_cache_block_size;
|
|
@@keycache2.key_cache_block_size
|
|
1024
|
|
set global keycache2.key_buffer_size=0;
|
|
select @@keycache2.key_buffer_size;
|
|
@@keycache2.key_buffer_size
|
|
0
|
|
select @@keycache2.key_cache_block_size;
|
|
@@keycache2.key_cache_block_size
|
|
1024
|
|
set global keycache2.key_buffer_size=1024*1024;
|
|
select @@keycache2.key_buffer_size;
|
|
@@keycache2.key_buffer_size
|
|
1048576
|
|
update t2 set p=4000 where a='zzzz';
|
|
update t1 set p=p+1;
|
|
set global keycache1.key_buffer_size=0;
|
|
select * from t2;
|
|
p i a
|
|
1001 2 qqqq
|
|
2 2 pppp
|
|
3 2 yyyy
|
|
4000 3 zzzz
|
|
2000 3 yyyy
|
|
select p from t2;
|
|
p
|
|
2
|
|
3
|
|
1001
|
|
2000
|
|
4000
|
|
explain select i from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL k1 5 NULL 5 Using index
|
|
select i from t2;
|
|
i
|
|
2
|
|
2
|
|
2
|
|
3
|
|
3
|
|
explain select a from t2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 index NULL k2 11 NULL 5 Using index
|
|
select a from t2;
|
|
a
|
|
pppp
|
|
qqqq
|
|
yyyy
|
|
yyyy
|
|
zzzz
|
|
select * from t1;
|
|
p a
|
|
3 qqqq
|
|
12 yyyy
|
|
select p from t1;
|
|
p
|
|
3
|
|
12
|
|
create table t3 (like t1);
|
|
cache index t3 in small;
|
|
Table Op Msg_type Msg_text
|
|
test.t3 assign_to_keycache status OK
|
|
insert into t3 select * from t1;
|
|
cache index t3 in keycache2;
|
|
Table Op Msg_type Msg_text
|
|
test.t3 assign_to_keycache status OK
|
|
cache index t1,t2 in default;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 assign_to_keycache status OK
|
|
test.t2 assign_to_keycache status OK
|
|
drop table t1,t2,t3;
|
|
show status like 'key_blocks_used';
|
|
Variable_name Value
|
|
Key_blocks_used 4
|
|
show status like 'key_blocks_unused';
|
|
Variable_name Value
|
|
Key_blocks_unused KEY_BLOCKS_UNUSED
|
|
create table t1 (a int primary key);
|
|
cache index t1 in keycache2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 assign_to_keycache status OK
|
|
insert t1 values (1),(2),(3),(4),(5),(6),(7),(8);
|
|
set global keycache2.key_buffer_size=0;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
7
|
|
8
|
|
drop table t1;
|
|
set global keycache3.key_buffer_size=100;
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect key_buffer_size value: '100'
|
|
set global keycache3.key_buffer_size=0;
|
|
create table t1 (mytext text, FULLTEXT (mytext));
|
|
insert t1 values ('aaabbb');
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
set @my_key_cache_block_size= @@global.key_cache_block_size;
|
|
set GLOBAL key_cache_block_size=2048;
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
drop table t1;
|
|
set global key_cache_block_size= @my_key_cache_block_size;
|
|
CREATE TABLE t1(a int NOT NULL AUTO_INCREMENT PRIMARY KEY);
|
|
SET @my_key_cache_block_size= @@global.key_cache_block_size;
|
|
SET GLOBAL key_cache_block_size=1536;
|
|
INSERT INTO t1 VALUES (1);
|
|
SELECT @@key_cache_block_size;
|
|
@@key_cache_block_size
|
|
1536
|
|
CHECK TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(a int NOT NULL AUTO_INCREMENT PRIMARY KEY, b int);
|
|
CREATE TABLE t2(a int NOT NULL AUTO_INCREMENT PRIMARY KEY, b int);
|
|
SET GLOBAL key_cache_block_size=1536;
|
|
INSERT INTO t1 VALUES (1,0);
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
INSERT INTO t2(b) SELECT b FROM t1;
|
|
INSERT INTO t1(b) SELECT b FROM t2;
|
|
SELECT COUNT(*) FROM t1;
|
|
COUNT(*)
|
|
4181
|
|
SELECT @@key_cache_block_size;
|
|
@@key_cache_block_size
|
|
1536
|
|
CHECK TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
DROP TABLE t1,t2;
|
|
set global key_cache_block_size= @my_key_cache_block_size;
|
|
set @@global.key_buffer_size=0;
|
|
ERROR HY000: Cannot drop default keycache
|
|
select @@global.key_buffer_size;
|
|
@@global.key_buffer_size
|
|
2097152
|
|
SET @bug28478_key_cache_block_size= @@global.key_cache_block_size;
|
|
SET GLOBAL key_cache_block_size= 1536;
|
|
CREATE TABLE t1 (
|
|
id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
|
|
c1 CHAR(150),
|
|
c2 CHAR(150),
|
|
c3 CHAR(150),
|
|
KEY(c1, c2, c3)
|
|
) ENGINE= MyISAM;
|
|
INSERT INTO t1 (c1, c2, c3) VALUES
|
|
('a', 'b', 'c'), ('b', 'c', 'd'), ('c', 'd', 'e'), ('d', 'e', 'f'),
|
|
('e', 'f', 'g'), ('f', 'g', 'h'), ('g', 'h', 'i'), ('h', 'i', 'j'),
|
|
('i', 'j', 'k'), ('j', 'k', 'l'), ('k', 'l', 'm'), ('l', 'm', 'n'),
|
|
('m', 'n', 'o'), ('n', 'o', 'p'), ('o', 'p', 'q'), ('p', 'q', 'r'),
|
|
('q', 'r', 's'), ('r', 's', 't'), ('s', 't', 'u'), ('t', 'u', 'v'),
|
|
('u', 'v', 'w'), ('v', 'w', 'x'), ('w', 'x', 'y'), ('x', 'y', 'z');
|
|
INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
|
|
INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
|
|
INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
|
|
CHECK TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
SHOW VARIABLES LIKE 'key_cache_block_size';
|
|
Variable_name Value
|
|
key_cache_block_size 1536
|
|
SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
|
|
DROP TABLE t1;
|