mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 04:22:27 +01:00
f3544f3c5d
Change strtoll -> my_strtoll10() Fixed bug in my_strntoul() and my_strntol() where we got different values on 32 and 64 bit systems (Bug #3472) configure.in: Fixed problem on IRIX64 (One can't have AC_MSG_RESULT on same row as AC_DEFINE extra/my_print_defaults.c: Fixed wrong definition for 'verbose' include/my_global.h: Portability fix (IRIX64) libmysql/client_settings.h: Remove compiler warnings libmysql/libmysql.c: Remove compiler warnings mysql-test/r/func_str.result: Updated results mysql-test/r/key_cache.result: Updated results to not depend on key_blocks_unused mysql-test/t/func_str.test: More test of long overflow mysql-test/t/key_cache.test: Updated results to not depend on key_blocks_unused sql/item.cc: Portability fix (don't use strtoll()) sql/item.h: Portability fix (don't use strtoll()) sql/item_sum.h: Portability fix (don't use strtoll()) sql/item_timefunc.cc: Fixed compiler warning strings/ctype-simple.c: Fixed bug in my_strntoul() and my_strntol() where we got different values on 32 and 64 bit systems strings/ctype-ucs2.c: Fixed bug in my_strntoul() and my_strntol() where we got different values on 32 and 64 bit systems
279 lines
7.1 KiB
Text
279 lines
7.1 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 column 'unknown_key' doesn't exist in table
|
|
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
|
|
set global keycache2.key_buffer_size=0;
|
|
set global keycache3.key_buffer_size=100;
|
|
set global keycache3.key_buffer_size=0;
|