text: DROP TABLE IF EXISTS test.null;
  DROP TABLE IF EXISTS test.null_view;
  
  CREATE TABLE test.null (x UInt8) ENGINE = Null;
  CREATE VIEW test.null_view AS SELECT * FROM test.null WHERE toUInt64(x) IN (SELECT number FROM system.numbers);
  INSERT INTO test.null VALUES (1);
  
  DROP TABLE test.null;
  DROP TABLE test.null_view;
  