DROP TABLE IF EXISTS merge_tree; CREATE TABLE merge_tree (x UInt32) ENGINE = MergeTree ORDER BY x SETTINGS index_granularity = 1; INSERT INTO merge_tree VALUES (0), (1); SET force_primary_key = 1; SET max_rows_to_read = 1; SELECT count() FROM merge_tree WHERE x = 0; SELECT count() FROM merge_tree WHERE toUInt32(x) = 0; SELECT count() FROM merge_tree WHERE toUInt64(x) = 0; SELECT count() FROM merge_tree WHERE x IN (0, 0); SELECT count() FROM merge_tree WHERE toUInt32(x) IN (0, 0); SELECT count() FROM merge_tree WHERE toUInt64(x) IN (0, 0); DROP TABLE merge_tree;