You can do that in Postgres, either return nested json structures, or nested arrays. For an example see: https://shusson.info/post/building-nested-json-objects

You can do that in Postgres, either return nested json structures, or nested arrays. For an example see: https://shusson.info/post/building-nested-json-objects-with-postgres https://shusson.info/post/building-nested-json-objects-with-...