diff options
Diffstat (limited to 'mysql-test/main/ext_key_noPK_6794.test')
| -rw-r--r-- | mysql-test/main/ext_key_noPK_6794.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/main/ext_key_noPK_6794.test b/mysql-test/main/ext_key_noPK_6794.test new file mode 100644 index 00000000..fc8a2724 --- /dev/null +++ b/mysql-test/main/ext_key_noPK_6794.test @@ -0,0 +1,15 @@ +# +# MDEV-6794 XtraDB no longer using UNIQUE as clustered index when PK missing +# + +--source include/have_innodb.inc + +create table t1 (c1 int not null, c2 int, unique index(c1), index (c2)) engine=innodb; +insert into t1 (c1, c2) select 1, round(rand()*100); +insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1; +insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1; +insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1; +select count(*) from t1; +--query_vertical explain select * from t1 where c2 = 1 order by c1 +drop table t1; + |