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109 lines
2.8 KiB
Text
109 lines
2.8 KiB
Text
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#
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# Testing of PRELOAD
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#
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-- source include/have_maria.inc
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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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# we don't use block-format because we want page cache stats
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# about indices and not data pages.
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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=maria 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=maria 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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select count(*) from t2;
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flush tables; flush status;
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show status like "maria_pagecache_read%";
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select count(*) from t1 where b = 'test1';
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show status like "maria_pagecache_read%";
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select count(*) from t1 where b = 'test1';
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show status like "maria_pagecache_read%";
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flush tables; flush status;
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select @@preload_buffer_size;
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load index into cache t1;
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show status like "maria_pagecache_read%";
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select count(*) from t1 where b = 'test1';
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show status like "maria_pagecache_read%";
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flush tables; flush status;
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show status like "maria_pagecache_read%";
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set session preload_buffer_size=256*1024;
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select @@preload_buffer_size;
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load index into cache t1 ignore leaves;
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show status like "maria_pagecache_read%";
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select count(*) from t1 where b = 'test1';
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show status like "maria_pagecache_read%";
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flush tables; flush status;
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show status like "maria_pagecache_read%";
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set session preload_buffer_size=1*1024;
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select @@preload_buffer_size;
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load index into cache t1, t2 key (primary,b) ignore leaves;
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show status like "maria_pagecache_read%";
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select count(*) from t1 where b = 'test1';
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select count(*) from t2 where b = 'test1';
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show status like "maria_pagecache_read%";
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flush tables; flush status;
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show status like "maria_pagecache_read%";
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load index into cache t3, t2 key (primary,b) ;
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show status like "maria_pagecache_read%";
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flush tables; flush status;
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show status like "maria_pagecache_read%";
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load index into cache t3 key (b), t2 key (c) ;
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show status like "maria_pagecache_read%";
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drop table t1, t2;
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# check that Maria didn't use key cache
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show status like "key_read%";
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