Function joinedSelect

packages/db/tests/query/composables.test.ts:404–407

({ u, p }: { u: Ref<User>; p: Ref<Post> })

      })

      const joinedSelect = ({ u, p }: { u: Ref<User>; p: Ref<Post> }) => ({
        userName: u.name,
        postTitle: p.title,
      })

      // Test single collection
      const singleCollection = createLiveQueryCollection({