1 files changed, 7 insertions, 0 deletions
diff --git a/mysql-test/t/auto_increment.test b/mysql-test/t/auto_increment.test
index 73588a91aac..e5986e6755d 100644
--- a/mysql-test/t/auto_increment.test
+++ b/mysql-test/t/auto_increment.test
@@ -138,6 +138,13 @@ insert into t1(b)values(5);
 insert into t1(b)values(6);
 insert into t1(b)values(7);
 select * from t1 order by b;
+alter table t1 modify b mediumint;
+select * from t1 order by b;
+create table t2 (a int);
+insert t2 values (1),(2);
+alter table t2 add b int auto_increment primary key;
+select * from t2;
+drop table t2;
 delete from t1 where a=0;
 update t1 set a=0 where b=5;
 select * from t1 order by b;