in_memory:
  adapter: sqlite3
  database: ":memory:"
  verbosity: quiet
sqlite:
  adapter: sqlite
  dbfile: polymorphic_identity_test.sqlite.db
sqlite3:
  adapter: sqlite3
  dbfile: polymorphic_identity_test.sqlite3.db
postgresql:
  adapter: postgresql
  username: postgres
  password: postgres
  database: polymorphic_identity_test
  min_messages: ERROR
mysql:
  adapter: mysql
  host: localhost
  username: root
  password:
  database: polymorphic_identity_test