# name: test/optimizer/union_exclude.test
# description: Test union and exclude
# group: [optimizer]

statement ok
CREATE TABLE test_df_a(number BIGINT, date VARCHAR, rn BIGINT);

statement ok
INSERT INTO test_df_a VALUES(7058,'2015-07-31',1);

statement ok
INSERT INTO test_df_a VALUES(7058,'2015-07-31',2);

statement ok
INSERT INTO test_df_a VALUES(7075,'2016-07-31',1);

statement ok
INSERT INTO test_df_a VALUES(7076,'2017-07-31',1);

statement ok
INSERT INTO test_df_a VALUES(7076,'2017-07-31',2);

statement ok
CREATE TABLE test_df_b(number BIGINT, date VARCHAR, rn BIGINT);;

statement ok
INSERT INTO test_df_b VALUES(7058,'2015-07-31',1);

statement ok
INSERT INTO test_df_b VALUES(7058,'2015-07-31',2);

statement ok
INSERT INTO test_df_b VALUES(7012,'2015-07-31',1);

statement ok
INSERT INTO test_df_b VALUES(7075,'2016-07-31',1);

statement ok
INSERT INTO test_df_b VALUES(7076,'2017-07-31',1);

query II
with t as (select * from test_df_a UNION select * from test_df_b) select * exclude rn from t order by all;
----
7012	2015-07-31
7058	2015-07-31
7058	2015-07-31
7075	2016-07-31
7076	2017-07-31
7076	2017-07-31


statement ok
create table t1 as select 1 a, range b from range(100);

statement ok
create table t2 as select 1 a, range b from range(100);

query I
select count(a) from (select * from t1 union select * from t2) t_union;
----
100

query I
select count(a) from (select * from t1 union all select * from t2) t_union;
----
200