我收到类似 "Tables cannot have more than 0 materialized views, failed to create materialized view" 的错误

Question

这是我在 Cassandra 中创建 table 时使用的命令。

create table materialed_main (car_make text,car_model text,id int,department text,frist text, last text,primary key(car_make,car_model,id));

这是上述table的物化视图。

create materialized view materialed_view as select * from materialed_main where first is not null and car_make is not null and car_model is not null and id is not null primary key(first,car_make,car_model, id);

但我不确定为什么会收到此错误

Error from server: code=2200 [Invalid query] message="Tables cannot have more than 0 materialized views, failed to create materialized view materialed_view on table materialed_main"

Answer 1

来自documentation：

Note: Materialized views are not available on Astra serverless databases. For more, see Astra database limits

第二页说：

Secondary indexes and materialized views are not available for serverless databases. Our team is working to offer materialized views for serverless databases soon

Answer 2

使用 CUSTOM INDEX 而不是 MATERIALIZED VIEW。 Storage-Attached Indexing (SAI)