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94d23e2413
Increase default pointer length for Aria tables to be able to handle big files without having to specify MAX_ROWS mysql-test/suite/maria/icp.result: Updated result mysql-test/suite/maria/maria-preload.result: More pages are needed with longer pointer length mysql-test/suite/maria/maria.result: Added more tests mysql-test/suite/maria/maria.test: Added more tests storage/maria/ma_create.c: Increase default pointer length for Aria tables to be able to handle big files without having to specify MAX_ROWS storage/maria/ma_range.c: Optimize records_in_range() to be more exact storage/maria/ma_static.c: Increase default pointer size storage/maria/ma_test2.c: Allow a bit larger errors in records_in_range
163 lines
7.4 KiB
Text
163 lines
7.4 KiB
Text
drop table if exists t1, t2;
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set global aria_checkpoint_interval=0;
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create temporary table initial
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select variable_name,variable_value from
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information_schema.global_status where variable_name like "Aria_pagecache_reads";
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create table t1 (
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a int not null auto_increment,
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b char(16) not null,
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primary key (a),
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key (b)
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) engine=aria row_format=dynamic;
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create table t2(
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a int not null auto_increment,
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b char(16) not null,
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primary key (a),
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key (b)
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) engine=aria row_format=dynamic;
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insert into t1(b) values
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('test0'),
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('test1'),
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('test2'),
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('test3'),
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('test4'),
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('test5'),
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('test6'),
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('test7');
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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insert into t2(b) select b from t1;
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insert into t1(b) select b from t2;
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select count(*) from t1;
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count(*)
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33448
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select count(*) from t2;
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count(*)
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20672
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flush tables;
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flush status;
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 2
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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 11
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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 11
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flush tables;
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flush status;
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select @@preload_buffer_size;
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@@preload_buffer_size
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32768
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load index into cache t1;
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Table Op Msg_type Msg_text
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test.t1 preload_keys status OK
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 107
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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 107
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flush tables;
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flush status;
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 107
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set session preload_buffer_size=256*1024;
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select @@preload_buffer_size;
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@@preload_buffer_size
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262144
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load index into cache t1 ignore leaves;
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Table Op Msg_type Msg_text
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test.t1 preload_keys status OK
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 203
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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 211
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flush tables;
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flush status;
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 211
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set session preload_buffer_size=1*1024;
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select @@preload_buffer_size;
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@@preload_buffer_size
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1024
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load index into cache t1, t2 key (primary,b) ignore leaves;
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Table Op Msg_type Msg_text
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test.t1 preload_keys status OK
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test.t2 preload_keys status OK
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 364
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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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select count(*) from t2 where b = 'test1';
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count(*)
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2584
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 369
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flush tables;
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flush status;
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 369
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load index into cache t3, t2 key (primary,b) ;
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Table Op Msg_type Msg_text
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test.t3 preload_keys Error Table 'test.t3' doesn't exist
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test.t3 preload_keys status Operation failed
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test.t2 preload_keys status OK
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 426
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flush tables;
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flush status;
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 426
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load index into cache t3 key (b), t2 key (c) ;
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Table Op Msg_type Msg_text
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test.t3 preload_keys Error Table 'test.t3' doesn't exist
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test.t3 preload_keys status Operation failed
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test.t2 preload_keys Error Key 'c' doesn't exist in table 't2'
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test.t2 preload_keys status Operation failed
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select g.variable_name,g.variable_value-i.variable_value from information_schema.global_status as g,initial as i where g.variable_name like "Aria_pagecache_read%" and g.variable_name=i.variable_name order by g.variable_name desc;
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variable_name g.variable_value-i.variable_value
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ARIA_PAGECACHE_READS 426
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drop table t1, t2;
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drop temporary table initial;
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show status like "key_read%";
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Variable_name Value
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Key_read_requests 0
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Key_reads 0
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