preload.test
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- #
- # Testing of PRELOAD
- #
- --disable_warnings
- drop table if exists t1, t2;
- --enable_warnings
- create table t1 (
- a int not null auto_increment,
- b char(16) not null,
- primary key (a),
- key (b)
- );
- create table t2(
- a int not null auto_increment,
- b char(16) not null,
- primary key (a),
- key (b)
- );
- insert into t1(b) values
- ('test0'),
- ('test1'),
- ('test2'),
- ('test3'),
- ('test4'),
- ('test5'),
- ('test6'),
- ('test7');
-
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- insert into t2(b) select b from t1;
- insert into t1(b) select b from t2;
- select count(*) from t1;
- select count(*) from t2;
- flush tables; flush status;
- show status like "key_read%";
- select count(*) from t1 where b = 'test1';
- show status like "key_read%";
- select count(*) from t1 where b = 'test1';
- show status like "key_read%";
- flush tables; flush status;
- select @@preload_buffer_size;
- load index into cache t1;
- show status like "key_read%";
- select count(*) from t1 where b = 'test1';
- show status like "key_read%";
- flush tables; flush status;
- show status like "key_read%";
- set session preload_buffer_size=256*1024;
- select @@preload_buffer_size;
- load index into cache t1 ignore leaves;
- show status like "key_read%";
- select count(*) from t1 where b = 'test1';
- show status like "key_read%";
- flush tables; flush status;
- show status like "key_read%";
- set session preload_buffer_size=1*1024;
- select @@preload_buffer_size;
- load index into cache t1, t2 key (primary,b) ignore leaves;
- show status like "key_read%";
- select count(*) from t1 where b = 'test1';
- select count(*) from t2 where b = 'test1';
- show status like "key_read%";
- flush tables; flush status;
- show status like "key_read%";
- load index into cache t3, t2 key (primary,b) ;
- show status like "key_read%";
- flush tables; flush status;
- show status like "key_read%";
- load index into cache t3 key (b), t2 key (c) ;
- show status like "key_read%";
- drop table t1, t2;
- # End of 4.1 tests