ClickHouse/dbms/tests/queries/0_stateless/00859_distinct_with_join.sql

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drop table if exists fooL;
drop table if exists fooR;
create table fooL (a Int32, v String) engine = Memory;
create table fooR (a Int32, v String) engine = Memory;
insert into fooL select number, 'L' || toString(number) from numbers(2);
insert into fooL select number, 'LL' || toString(number) from numbers(2);
insert into fooR select number, 'R' || toString(number) from numbers(2);
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select distinct a from fooL semi left join fooR using(a) order by a;
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drop table fooL;
drop table fooR;