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added test case for the bug in ORDER BY when we fill up sort buffer

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Note that if you change sort buffer to be bigger, the bug will not show
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sasha@mysql.sashanet.com 2001-06-22 15:13:33 -06:00
parent 924dadef97
commit c71cba0bd9
3 changed files with 22 additions and 0 deletions
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2
mysql-test/r/order_fill_sortbuf.result Normal file
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@ -0,0 +1,2 @@
count(*)
4000

1
mysql-test/t/order_fill_sortbuf-master.opt Normal file
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-O sort_buffer=0

19
mysql-test/t/order_fill_sortbuf.test Normal file
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drop table if exists t1,t2;
CREATE TABLE `t1` (
`id` int(11) NOT NULL default '0',
`id2` int(11) NOT NULL default '0',
`id3` int(11) NOT NULL default '0',
`dummy1` char(30) default NULL,
PRIMARY KEY (`id`,`id2`),
KEY `index_id3` (`id3`));
let $1=4000;
while ($1)
{
eval insert into t1 (id,id2,id3,dummy1) values ($1,$1,$1,'foobar');
dec $1;
}
create table t2 (n int);
insert into t2 select id2 from t1 order by id3;
select count(*) from t2;
drop table t1,t2;