DROP TABLE IF EXISTS test1; CREATE TABLE test1 ( date Date, datetime DateTime, zoneId UInt64, test ALIAS zoneId == 1 ) ENGINE = MergeTree(date, (date, zoneId), 8192); CREATE MATERIALIZED VIEW test1_view ENGINE = MergeTree(date, (date, zoneId), 8192) AS SELECT date, zoneId, test FROM test.test1; INSERT INTO test1 VALUES ('2018-12-10', '2018-12-10 23:59:59', 1); SELECT * from test1_view; DROP TABLE test1_view; DROP TABLE test1;