29 lines
2.5 KiB
Plaintext
29 lines
2.5 KiB
Plaintext
update performance_schema.setup_instruments set enabled='YES' where name like '%innodb_temp%';
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update performance_schema.setup_consumers set enabled='YES';
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use test;
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CREATE TABLE `t1`(`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `name1` varchar(180) NOT NULL, `name2` varchar(180) DEFAULT NULL, `name3` varchar(180) DEFAULT NULL, `name4` varchar(180) DEFAULT NULL, PRIMARY KEY (`id`,`name1`(10)) ) engine=InnoDB;
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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set @id:=0;
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insert into t1 values
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(@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
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, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
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, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
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, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000));
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Warnings:
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Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
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Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
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Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
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Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
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insert into `t1`(`id`,`name1`,`name2`,`name3`,`name4`)
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select @id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000) from
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`t1` k1, `t1` k2, `t1` k3, `t1` k4,`t1` k5,`t1` k6;
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Warnings:
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Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
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create index i_dtyp_big on `t1`(name1) algorithm=inplace;
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select distinct object_name from performance_schema.events_waits_history_long where event_name like '%wait%io%file%innodb%innodb_temp_file%'
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and object_name like '%Innodb Merge Temp File%';
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object_name
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MYSQL_TEST_DIR#Innodb Merge Temp File
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drop table t1;
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