Clickhouse 物化视图-optimize无效

select a, b from test_all;

优点

空间换时间：查询速度快

CREATE MATERIALIZED VIEW test_mv ON CLUSTER ENGINE=ReplicatedReplacingMergeTree partition by toYYYYMM(b) ORDER BY (b)

AS

select a, b from test_all where a != 1;

select a, b from test_mv 会看到没有数据

optimize table test_mv 也没有用