ClickHouse/dbms/tests/queries/0_stateless/00225_join_duplicate_columns.sql

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select b from (select 1 as a, 42 as c) js1 any left join (select 2 as b, 2 as b, 41 as c) js2 using c;
select b from (select 1 as a, 42 as c) js1 any left join (select 2 as b, 2 as b, 42 as c) js2 using c;
select c,a,a,b,b from
(select 1 as a, 1 as a, 42 as c group by c order by a,c) js1
any left join
(select 2 as b, 2 as b, 41 as c group by c order by b,c) js2
using c
order by b;