Clickhouse ALTER MATERIALIZE COLUMN is not available

Question

SELECT version()

21.3.10.1

ALTER TABLE tmp MATERIALIZE COLUMN s

应为以下之一：INDEX、TTL

为什么？

Answer 1

https://github.com/ClickHouse/ClickHouse/blob/master/docs/en/whats-new/changelog/2021.md#clickhouse-版本-v2110-2021-10-16

ClickHouse发布v211.102011-10-16

添加ALTER TABLE。。。MATERIALIZE COLUMN查询#27038(弗拉基米尔·切博塔列夫(。