DROP TABLE IF EXISTS t_00180;
DROP TABLE IF EXISTS mv_00180;
DROP TABLE IF EXISTS `.inner.mv_00180`;

CREATE TABLE t_00180 (x UInt8) ENGINE = Null;
CREATE MATERIALIZED VIEW mv_00180 ENGINE = Null AS SELECT * FROM t_00180;

DETACH TABLE mv_00180;
ATTACH MATERIALIZED VIEW mv_00180 ENGINE = Null AS SELECT * FROM t_00180;

DROP TABLE t_00180;
DROP TABLE mv_00180;