4 ms·
By the way, since ClickHouse is a column database, so it can be faster to ALTER TABLE ... ADD COLUMN with the default value and then send a separate query to ma
by nasretdinov 5y ago
By the way, since ClickHouse is a column database, so it can be faster to ALTER TABLE ... ADD COLUMN with the default value and then send a separate query to materialise those columns because the ALTER itself doesn't do that.