Can't upgrade across major releases without downtime. (Supposedly is on the roadmap for next release or two) Doesn't allow you to force the use of an index in

Can't upgrade across major releases without downtime. (Supposedly is on the roadmap for next release or two) Doesn't allow you to force the use of an index in querying. Materialized views always do a full rebuild, instead of applying deltas. No estimates for when a long-running query will complete.