anotehr fix for Item_func_isnotnull::not_null_tables()

mysql-test/r/join_outer.result:
  anotehr test for Item_func_isnotnull::not_null_tables()
mysql-test/t/join_outer.test:
  anotehr test for Item_func_isnotnull::not_null_tables()

1 files changed, 1 insertions, 0 deletions

diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test
index 31ddcfd7cf4..00f7e5f00bf 100644
--- a/mysql-test/t/join_outer.test
+++ b/mysql-test/t/join_outer.test
@@ -431,6 +431,7 @@ insert into t2 values(2),(3);
 insert into t3 values(2),(4);
 select * from t1 natural left join t2 natural left join t3;
 select * from t1 natural left join t2 where (t2.i is not null)=0;
+select * from t1 natural left join t2 where (t2.i is not null) is not null;
 drop table t1,t2,t3;
 
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