DROP TABLE IF EXISTS test_nested;

CREATE TABLE test_nested
(
    `id` String,
    `with_dot.str` String,
    `with_dot.array` Array(Int32)
)
ENGINE = MergeTree()
ORDER BY id;

INSERT INTO test_nested VALUES('123', 'asd', [1,2]);
SELECT * FROM test_nested;

ALTER TABLE test_nested ADD COLUMN `with_dot.bool` UInt8;
SELECT * FROM test_nested;

DROP TABLE test_nested;