fix PushPredicateThroughNonJoin rule not work with column alias #83
Description
we should rewrite alias column to real expr, such as:
select t.a from (select * from t1 where a > 1) t where t.b > 7;{{ message }}
we should rewrite alias column to real expr, such as:
select t.a from (select * from t1 where a > 1) t where t.b > 7;