1 files changed, 18 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/innodb-agregate.test b/mysql-test/suite/innodb/t/innodb-agregate.test
new file mode 100644
index 00000000..e15548c0
--- /dev/null
+++ b/mysql-test/suite/innodb/t/innodb-agregate.test
@@ -0,0 +1,18 @@
+--source include/have_innodb.inc
+
+#
+# MDEV-9667: Server hangs after select count(distinct name) from t2 where a=8366 and b>=5 and b<=5;
+#
+
+create table t2 (a smallint(6) not null, b int(10) not null, name varchar(20), primary key(a,b), key(name)) engine=InnoDB;
+
+insert into t2 values (8355,3,"sanja"),(8355,4,"wlad"),(8366,5, "lawrin"),(8366,6,"markusjm");
+
+select count(distinct name) from t2 where a=8366 and b>=5 and b<=5;
+select count(distinct name) from t2 where a=8366 and b=5;
+select count(distinct name) from t2 where a=8366 and b between 5 and 5.5;
+select sum(distinct a) from t2 where a=8366 and b>=5 and b<=5;
+select sum(distinct a) from t2 where a=8366 and b=5;
+select sum(distinct a) from t2 where a=8366 and b between 5 and 5.5;
+
+drop table t2;