ydb/yql/essentials/tests/sql/suites/pg/select_except.sql

--!syntax_pg
select * from (values (1),(1),(1)) a(x)
except
select * from (values (1),(1)) a(x);

select * from (values (1),(1)) a(x)
except
select * from (values (1),(1)) a(x);

select * from (values (1),(1)) a(x)
except
select * from (values (1),(1),(1)) a(x);