| Current Path : /home/usr.opt/mysql57/mysql-test/t/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //home/usr.opt/mysql57/mysql-test/t/bench_count_distinct.test |
# This is a delay_key_write option,specific to Myisam
# So this feature is not supported by InnoDB
# Hence MTR starts mysqld with MyISAM as default
--source include/force_myisam_default.inc
--source include/have_myisam.inc
#
# Test of count(distinct ..)
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1(n int not null, key(n)) delay_key_write = 1;
let $1=100;
disable_query_log;
while ($1)
{
eval insert into t1 values($1);
eval insert into t1 values($1);
dec $1;
}
enable_query_log;
select count(distinct n) from t1;
explain extended select count(distinct n) from t1;
drop table t1;
# End of 4.1 tests