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30 lines
1.2 KiB
Text
30 lines
1.2 KiB
Text
set global innodb_purge_stop_now = 1;
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create table t1(f1 int not null, f2 blob not null, f3 blob not null,
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vchar char(2) as (substr(f3,2,2)) virtual,
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primary key(f1, f3(5)), index(vchar))engine=innodb;
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insert into t1(f1,f2,f3) values(1, repeat('a',8000), repeat('b', 9000));
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update t1 set f1=5 where f1=1;
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delete from t1 where f1=5;
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set global innodb_purge_run_now=1;
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set global innodb_fast_shutdown=0;
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set global innodb_purge_stop_now = 1;
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drop table t1;
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create table t1(f1 int not null, f2 blob not null, f3 blob not null,
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vchar char(2) as (substr(f3,2,2)) virtual,
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primary key(f1, f3(5)), index(vchar, f3(2)))engine=innodb;
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insert into t1(f1,f2,f3) values(1, repeat('a',8000), repeat('b', 9000));
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update t1 set f1=5 where f1=1;
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delete from t1 where f1=5;
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set global innodb_purge_run_now=1;
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set global innodb_fast_shutdown=0;
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set global innodb_purge_stop_now = 1;
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drop table t1;
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create table t1(f1 int not null, f2 blob not null, f3 blob not null,
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vchar blob as (f3) virtual,
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primary key(f1, f3(5)), index(vchar(3)))engine=innodb;
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insert into t1(f1,f2,f3) values(1, repeat('a',8000), repeat('b', 9000));
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update t1 set f1=5 where f1=1;
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delete from t1 where f1=5;
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set global innodb_purge_run_now=1;
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set global innodb_fast_shutdown=0;
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drop table t1;
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