SET allow_experimental_live_view = 1; DROP TABLE IF EXISTS test.lv; DROP TABLE IF EXISTS test.mt; SELECT name, value from system.settings WHERE name = 'temporary_live_view_timeout'; SELECT name, value from system.settings WHERE name = 'live_view_heartbeat_interval'; SET temporary_live_view_timeout=1; CREATE TABLE test.mt (a Int32) Engine=MergeTree order by tuple(); CREATE TEMPORARY LIVE VIEW test.lv AS SELECT sum(a) FROM test.mt; SHOW TABLES FROM test LIKE 'lv'; SELECT sleep(2); SHOW TABLES FROM test LIKE 'lv'; DROP TABLE test.mt;