ClickHouse/dbms/tests/queries/0_stateless/01009_insert_select_data_loss.sql

drop table if exists tab;
create table tab (x UInt64) engine = MergeTree order by tuple();

insert into tab select number as n from numbers(20) semi left join (select number * 10 as n from numbers(2)) using(n) settings max_block_size = 5;
select * from tab order by x;