WL#2486 - natural/using joins according to SQL:2003.

Enabled view tests that didn't work before.

mysql-test/r/view.result

@@ -204,6 +204,21 @@ create table t1 (a int);
 insert into t1 values (1), (2), (3);
 create view v1 (a) as select a+1 from t1;
 create view v2 (a) as select a-1 from t1;
+select * from t1 natural left join v1;
+a
+1
+2
+3
+select * from v2 natural left join t1;
+a
+0
+1
+2
+select * from v2 natural left join v1;
+a
+0
+1
+2
 drop view v1, v2;
 drop table t1;
 create table t1 (a int);

mysql-test/t/view.test

@@ -147,11 +147,9 @@ insert into t1 values (1), (2), (3);
 create view v1 (a) as select a+1 from t1;
 create view v2 (a) as select a-1 from t1;
 
---disable_parsing # WL #2486 should enable these tests
 select * from t1 natural left join v1;
 select * from v2 natural left join t1;
 select * from v2 natural left join v1;
---enable_parsing
 
 drop view v1, v2;
 drop table t1;