<test> <settings> <do_not_merge_across_partitions_select_final>1</do_not_merge_across_partitions_select_final> </settings> <create_query> CREATE TABLE optimized_select_final (t DateTime, x Int32, s String) ENGINE = ReplacingMergeTree() PARTITION BY toYYYYMM(t) ORDER BY x </create_query> <fill_query>INSERT INTO optimized_select_final SELECT toDate('2020-01-01'), number, 'string' FROM numbers(50000000)</fill_query> <fill_query>OPTIMIZE TABLE optimized_select_final FINAL</fill_query> <query>SELECT * FROM optimized_select_final FINAL where s = 'string' FORMAT Null</query> <drop_query>DROP TABLE IF EXISTS optimized_select_final</drop_query> </test>