adding a failing test: compounf primary key with timestamp column

localtests/compound-pk-ts/create.sql

@@ -0,0 +1,34 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  ts0 timestamp default current_timestamp,
+  updated tinyint unsigned default 0,
+  primary key(id, ts0)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11, now(), 0);
+  update gh_ost_test set updated = 1 where i = 11 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 13,  now(), 0);
+  update gh_ost_test set updated = 1 where i = 13 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 17, now(), 0);
+  update gh_ost_test set updated = 1 where i = 17 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 19, now(), 0);
+  update gh_ost_test set updated = 1 where i = 19 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 23, now(), 0);
+  update gh_ost_test set updated = 1 where i = 23 order by id desc limit 1;
+end ;;