DROP TABLE IF EXISTS cdp_orders; CREATE TABLE cdp_orders ( `order_id` String, `order_status` String, `order_time` DateTime ) ENGINE = ReplacingMergeTree() PARTITION BY toYYYYMMDD(order_time) ORDER BY (order_time, order_id) SETTINGS index_granularity = 8192; INSERT INTO cdp_orders VALUES ('hello', 'world', '2020-01-02 03:04:05'); SELECT * FROM cdp_orders; SET mutations_sync = 1; ALTER TABLE cdp_orders DELETE WHERE order_time >= '2019-12-03 00:00:00'; SELECT * FROM cdp_orders; DROP TABLE cdp_orders;