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Support for variables with components

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Added framework to create/drop and manager buffers for multiple key caches
This commit is contained in:
monty@mashka.mysql.fi
2003-07-06 19:09:57 +03:00
parent bad00c38df
commit ebcc7b5a4f
42 changed files with 572 additions and 127 deletions
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43
mysql-test/r/key_cache.result Normal file
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@ -0,0 +1,43 @@
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
4194304
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.table_type="test";
ERROR HY000: Variable 'table_type' is not a variable component (Can't be used as XXXX.variable_name)

2
mysql-test/r/select_safe.result
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@ -37,7 +37,7 @@ delete from t1 where b="test" limit 1;
delete from t1 where a+0=1 limit 2;
SET MAX_JOIN_SIZE=2;
SELECT @@MAX_JOIN_SIZE, @@SQL_BIG_SELECTS;
@@max_join_size @@sql_big_selects
@@MAX_JOIN_SIZE @@SQL_BIG_SELECTS
2 0
insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a");
SELECT * from t1;

2
mysql-test/r/variables.result
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@ -77,7 +77,7 @@ select last_insert_id(345);
last_insert_id(345)
345
select @@IDENTITY,last_insert_id(), @@identity;
@@identity last_insert_id() @@identity
@@IDENTITY last_insert_id() @@identity
345 345 345
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
set global concurrent_insert=ON;

1
mysql-test/t/key_cache-master.opt Normal file
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@ -0,0 +1 @@
--key_buffer_size=2M --small.key_buffer_size=256K --small.key_buffer_size=128K

42
mysql-test/t/key_cache.test Normal file
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@ -0,0 +1,42 @@
#
# Test of key cache
#
SET @save_key_buffer=@@key_buffer_size;
SELECT @@key_buffer_size, @@small.key_buffer_size;
# Change default key cache size
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;
# Drop buffer
SET @@global.medium.key_buffer_size=0;
# Test double drop
SET @@global.medium.key_buffer_size=0;
# Print key buffer with different syntaxes
SHOW VARIABLES like "key_buffer_size";
SELECT @@key_buffer_size;
SELECT @@global.key_buffer_size;
SELECT @@global.default.key_buffer_size;
SELECT @@global.default.`key_buffer_size`;
SELECT @@global.`default`.`key_buffer_size`;
SELECT @@`default`.key_buffer_size;
SELECT @@small.key_buffer_size;
SELECT @@medium.key_buffer_size;
SET @@global.key_buffer_size=@save_key_buffer;
#
# Errors
#
--error 1064
SELECT @@default.key_buffer_size;
--error 1270
SELECT @@skr.table_type="test";