drop table if exists t; create table t (i int, j int, k int, projection p (select * order by j)) engine MergeTree order by i settings index_granularity = 1; insert into t select number, number, number from numbers(10); set allow_experimental_projection_optimization = 1, max_rows_to_read = 3; select * from t where i < 5 and j in (1, 2); drop table t;