set group_by_two_level_threshold = 100000; set enable_positional_arguments = 1; drop table if exists test; drop table if exists test2; create table test(x1 Int, x2 Int, x3 Int) engine=Memory(); insert into test values (1, 10, 100), (10, 1, 10), (100, 100, 1); -- { echo } select x3, x2, x1 from test order by 1; select x3, x2, x1 from test order by x3; select x3, x2, x1 from test order by 1 desc; select x3, x2, x1 from test order by x3 desc; insert into test values (1, 10, 100), (10, 1, 10), (100, 100, 1); select x3, x2 from test group by x3, x2; select x3, x2 from test group by 1, 2; select x1, x2, x3 from test order by x3 limit 1 by x3; select x1, x2, x3 from test order by 3 limit 1 by 3; select x1, x2, x3 from test order by x3 limit 1 by x1; select x1, x2, x3 from test order by 3 limit 1 by 1; explain syntax select x3, x2, x1 from test order by 1; explain syntax select x3 + 1, x2, x1 from test order by 1; explain syntax select x3, x3 - x2, x2, x1 from test order by 2; explain syntax select x3, if(x3 > 10, x3, plus(x1, x2)), x1 + x2 from test order by 2; explain syntax select max(x1), x2 from test group by 2 order by 1, 2; explain syntax select 1 + greatest(x1, 1), x2 from test group by 1, 2; select max(x1), x2 from test group by 1, 2; -- { serverError 43 } select 1 + max(x1), x2 from test group by 1, 2; -- { serverError 43 } explain syntax select x1 + x3, x3 from test group by 1, 2; create table test2(x1 Int, x2 Int, x3 Int) engine=Memory; insert into test2 values (1, 10, 100), (10, 1, 10), (100, 100, 1); select x1, x1 * 2, max(x2), max(x3) from test2 group by 2, 1, x1 order by 1, 2, 4 desc, 3 asc; select a, b, c, d, e, f from (select 44 a, 88 b, 13 c, 14 d, 15 e, 16 f) t group by 1,2,3,4,5,6; explain syntax select plus(1, 1) as a group by a; select substr('aaaaaaaaaaaaaa', 8) as a group by a; select substr('aaaaaaaaaaaaaa', 8) as a group by substr('aaaaaaaaaaaaaa', 8); select b from (select 5 as a, 'Hello' as b order by a); select b from (select 5 as a, 'Hello' as b group by a); select b from (select 5 as a, 'Hello' as b order by 1); drop table if exists tp2; create table tp2(first_col String, second_col Int32) engine = MergeTree() order by tuple(); select count(*) from (select first_col, count(second_col) from tp2 group by 1); select total from (select first_col, count(second_col) as total from tp2 group by 1); drop table if exists test; create table test ( `id` UInt32, `time` UInt32, index `id` (`id`) type set(0) granularity 3, index `time` (`time`) type minmax granularity 3 ) engine = MergeTree() order by (`time`); select count(*) as `value`, 0 as `data` from test group by `data`; drop table test;