text: used as metadata (if you do not pass anything into metadata_keys, the whole Rockset document will be used as metadata). To execute the query and access an iterator over the resulting Documents, run:loader.lazy_load()To execute the query and access all resulting Documents at once, run:loader.load()Here is an example response of loader.load():[    Document(        page_content="Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas a libero porta, dictum ipsum eget, hendrerit neque. Morbi blandit, ex ut suscipit viverra, enim velit tincidunt tellus, a tempor velit nunc et ex. Proin hendrerit odio nec convallis lobortis. Aenean in purus dolor. Vestibulum orci orci, laoreet eget magna in, commodo euismod justo.",         metadata={"id": 83209, "date": "2022-11-13T18:26:45.000000Z"}    ),    Document(        page_content="Integer at finibus odio. Nam sit amet enim cursus lacus gravida feugiat vestibulum sed libero. Aenean eleifend est quis elementum tincidunt. Curabitur sit amet ornare erat. Nulla id dolor ut magna volutpat sodales fringilla vel ipsum. Donec ultricies, lacus sed fermentum dignissim, lorem elit aliquam ligula, sed suscipit sapien purus nec ligula.",         metadata={"id": 89313, "date": "2022-11-13T18:28:53.000000Z"}    ),    Document(        page_content="Morbi tortor