ClickHouse/dbms/tests/queries/0_stateless/00978_live_view_watch.sql

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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 sum(a) FROM mt;
WATCH lv LIMIT 0;
INSERT INTO mt VALUES (1),(2),(3);
WATCH lv LIMIT 0;
INSERT INTO mt VALUES (4),(5),(6);
WATCH lv LIMIT 0;
DROP TABLE lv;
DROP TABLE mt;