Hey Mark!
Sounds like an interesting thing!
I don't think its being explored right now... :)
I think you might start with the following approaches:
* you can get access to the PlanMapper which usually has a full list of
operator stats/signatures
these signatures are designed to be comparable;
Dear all,
For research purposes I have been looking into finding potential materialized
views based on a given set of queries. For instance, if you have 2 queries
joining table A and B, perhaps it would be advantageous to materialize said
join and utilise Calcite's ability to rewrite queries to
