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update performance_schema.setup_instruments set enabled=IF(name='wait/io/file/innodb/innodb_temp_file','YES','NO');
update performance_schema.setup_consumers set enabled='YES';
use test;
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;
Warnings:
Warning 1681 Integer display width is deprecated and will be removed in a future release.
set @id:=0;
insert into t1 values
(@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000))
, (@id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000));
Warnings:
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)'.
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)'.
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)'.
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)'.
insert into `t1`(`id`,`name1`,`name2`,`name3`,`name4`)
select @id:=@id+1,md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000),md5(rand()*1000000) from
`t1` k1, `t1` k2, `t1` k3, `t1` k4,`t1` k5,`t1` k6;
Warnings:
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)'.
create index i_dtyp_big on `t1`(name1) algorithm=inplace;
select distinct object_name from performance_schema.events_waits_history_long where event_name like '%wait%io%file%innodb%innodb_temp_file%'
and object_name like '%Innodb Merge Temp File%';
object_name
MYSQL_TEST_DIR#Innodb Merge Temp File
drop table t1;
update performance_schema.setup_instruments set enabled='YES';
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