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
* merge migration
* rm migration versions
* rm unneeded migration test data
* create index w/postgres + crdb compatible syntax
* add default to offers.invitee_credit_duration_days
* changes so that schema matches from master to branch
* change to be crdb compatible
* add check to confirm db version
* mv version check to migration
* update tests
* add minversion to sadb migration, update tests
* confirm min version for all dbs in a migration
* add validate migration to sadb
* fix lint err
* rm min version check from migrate
* change sadb check
* hard code min db version
* fix comment
