ClickHouse/dbms/tests/queries/0_stateless/00973_live_view_select.sql

DROP TABLE IF EXISTS test.lv;
DROP TABLE IF EXISTS test.mt;

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

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

SELECT *,_version FROM test.lv;
SELECT *,_version FROM test.lv;

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

SELECT *,_version FROM test.lv;
SELECT *,_version FROM test.lv;

DROP TABLE test.lv;
DROP TABLE test.mt;