SET allow_experimental_live_view = 1;

DROP TABLE IF EXISTS lv;
DROP TABLE IF EXISTS mt;

CREATE TABLE mt (a Int32) Engine=MergeTree order by tuple();
CREATE LIVE VIEW lv AS SELECT * FROM ( SELECT sum(boo.x) FROM ( SELECT foo.x FROM (SELECT a AS x FROM mt) AS foo) AS boo );

INSERT INTO mt VALUES (1),(2),(3);

SELECT *,_version FROM lv;
SELECT *,_version FROM lv;

INSERT INTO mt VALUES (1),(2),(3);

SELECT *,_version FROM lv;
SELECT *,_version FROM lv;

DROP TABLE lv;
DROP TABLE mt;