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include/my_base.h: Auto merged include/my_global.h: Auto merged include/my_sys.h: Auto merged myisam/mi_check.c: Auto merged myisam/mi_extra.c: Auto merged myisam/mi_locking.c: Auto merged myisam/myisamchk.c: Auto merged myisam/myisamdef.h: Auto merged mysql-test/r/key_cache.result: Auto merged mysql-test/t/key_cache.test: Auto merged sql/ha_myisam.cc: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/item_cmpfunc.h: Auto merged sql/mysql_priv.h: Auto merged sql/opt_range.cc: Auto merged sql/set_var.h: Auto merged sql/sql_base.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_table.cc: Auto merged sql/table.h: Auto merged
122 lines
3.1 KiB
Text
122 lines
3.1 KiB
Text
#
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# Test of multiple key caches
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#
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SET @save_key_buffer=@@key_buffer_size;
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SELECT @@key_buffer_size, @@small.key_buffer_size;
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# Change default key cache size
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SET @@global.key_buffer_size=16*1024*1024;
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SET @@global.default.key_buffer_size=16*1024*1024;
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SET @@global.default.key_buffer_size=16*1024*1024;
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SET @@global.small.key_buffer_size=1*1024*1024;
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SET @@global.medium.key_buffer_size=4*1024*1024;
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# Drop buffer
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SET @@global.medium.key_buffer_size=0;
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# Test double drop
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SET @@global.medium.key_buffer_size=0;
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# Print key buffer with different syntaxes
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SHOW VARIABLES like "key_buffer_size";
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SELECT @@key_buffer_size;
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SELECT @@global.key_buffer_size;
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SELECT @@global.default.key_buffer_size;
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SELECT @@global.default.`key_buffer_size`;
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SELECT @@global.`default`.`key_buffer_size`;
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SELECT @@`default`.key_buffer_size;
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SELECT @@small.key_buffer_size;
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SELECT @@medium.key_buffer_size;
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SET @@global.key_buffer_size=@save_key_buffer;
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#
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# Errors
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#
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--error 1064
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SELECT @@default.key_buffer_size;
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--error 1271
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SELECT @@skr.table_type="test";
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select @@keycache1.key_cache_block_size;
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select @@keycache1.key_buffer_size;
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set global keycache1.key_cache_block_size=2048;
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select @@keycache1.key_buffer_size;
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select @@keycache1.key_cache_block_size;
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set global keycache1.key_buffer_size=1*1024*1024;
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select @@keycache1.key_buffer_size;
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select @@keycache1.key_cache_block_size;
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set global keycache2.key_buffer_size=4*1024*1024;
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select @@keycache2.key_buffer_size;
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select @@keycache2.key_cache_block_size;
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set global keycache1.key_buffer_size=0;
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select @@keycache1.key_buffer_size;
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select @@keycache1.key_cache_block_size;
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select @@key_buffer_size;
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select @@key_cache_block_size;
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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create table t1 (p int primary key, a char(10));
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create table t2 (p int primary key, i int, a char(10), key k1(i), key k2(a));
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insert into t1 values (1, 'qqqq'), (11, 'yyyy');
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insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
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(3, 1, 'yyyy'), (4, 3, 'zzzz');
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select * from t1;
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select * from t2;
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update t1 set p=2 where p=1;
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update t2 set i=2 where i=1;
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cache index t1 keys in keycache1;
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explain select p from t1;
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select p from t1;
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explain select i from t2;
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select i from t2;
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explain select count(*) from t1, t2 where t1.p = t2.i;
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select count(*) from t1, t2 where t1.p = t2.i;
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cache index t2 keys in keycache1;
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update t2 set p=p+1000, i=2 where a='qqqq';
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cache index t2 keys in keycache2;
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insert into t2 values (2000, 3, 'yyyy');
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cache index t2 keys in keycache1;
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update t2 set p=3000 where a='zzzz';
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select * from t2;
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explain select p from t2;
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select p from t2;
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explain select i from t2;
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select i from t2;
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explain select a from t2;
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select a from t2;
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select @@keycache2.key_buffer_size;
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select @@keycache2.key_cache_block_size;
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set global keycache2.key_buffer_size=0;
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select @@keycache2.key_buffer_size;
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select @@keycache2.key_cache_block_size;
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update t2 set p=4000 where a='zzzz';
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update t1 set p=p+1;
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set global keycache1.key_buffer_size=0;
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select * from t2;
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select p from t2;
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explain select i from t2;
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select i from t2;
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explain select a from t2;
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select a from t2;
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select * from t1;
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select p from t1;
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