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37d7bbb335
Changed error to be more descriptive when you are refering to a not existing key Fixed core dump in view test and changed to better error message
173 lines
3.9 KiB
Plaintext
173 lines
3.9 KiB
Plaintext
drop table if exists t1, t2;
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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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);
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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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);
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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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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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select count(*) from t1 where b = 'test1';
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count(*)
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4181
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show status like "key_read%";
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Variable_name Value
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Key_read_requests 294
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Key_reads 60
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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 588
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Key_reads 60
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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 774
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Key_reads 774
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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 1068
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Key_reads 774
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flush tables;
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flush status;
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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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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 17
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Key_reads 17
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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 311
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Key_reads 75
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flush tables;
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flush status;
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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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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 785
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Key_reads 785
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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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show status like "key_read%";
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Variable_name Value
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Key_read_requests 1266
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Key_reads 821
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flush tables;
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flush status;
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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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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.t2 preload_keys status OK
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Warnings:
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Error 1146 Table 'test.t3' doesn't exist
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show status like "key_read%";
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Variable_name Value
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Key_read_requests 478
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Key_reads 478
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flush tables;
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flush status;
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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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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.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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Warnings:
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Error 1146 Table 'test.t3' doesn't exist
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Error 1176 Key 'c' doesn't exist in table 't2'
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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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drop table t1, t2;
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