table! { connections (hostname) { hostname -> Text, connection_uri -> Text, } } table! { instances (id) { id -> Text, name -> Text, ram -> Integer, cores -> Integer, zvol -> Text, zvol_size -> Integer, use_sata -> Nullable, owner -> Text, } } joinable!(instances -> connections (owner)); allow_tables_to_appear_in_same_query!( connections, instances, );