this will allow for some nice runtime analysis down the road.
also, this allows for wrapping database handles in a way that
can interact with these contexts
requires https://review.dev.storj.io/c/storj/dbx/+/514
Change-Id: Ib087b7cd73296dd2c1e0331314da34d861f61d2b
first, so that they all work the same way, because it's getting
complicated, and second, so that we can do the appropriate thing
instead of CREATE SCHEMA for cockroachdb.
Change-Id: I27fbaeeb6223a3e06d97bcf692a2d014b31465f7
Adjust the pg_constraint query so that it works without a LATERAL JOIN,
since CockroachDB doesn't like that.
This isn't hooked up to a cockroach test yet, but that's coming.
Change-Id: I0df6b477d958996b673fc121eaa1f7c35e5cc504
