On Fri, May 8, 2020 at 9:13 AM Tatsuo Ishii <is...@sraoss.co.jp> wrote:
> >> Hi, > >> > >> Attached is the latest patch (v15) to add support for Incremental > Materialized > >> View Maintenance (IVM). It is possible to apply to current latest > master branch. > > I have tried to use IVM against TPC-DS (http://www.tpc.org/tpcds/) > queries. TPC-DS models decision support systems and those queries are > modestly complex. So I thought applying IVM to those queries could > show how IVM covers real world queries. > > +1, This is a smart idea. How did you test it? AFAIK, we can test it with: 1. For any query like SELECT xxx, we create view like CREATE MATERIAL VIEW mv_name as SELECT xxx; to test if the features in the query are supported. 2. Update the data and then compare the result with SELECT XXX with SELECT * from mv_name to test if the data is correctly sync. Best Regards Andy Fan
