{"pk1": "f", "pk2": "z", "content": "f-z", "sortable": 10, "sortable_with_nulls": 0.4515549159652815, "sortable_with_nulls_2": 0.3987301842569533, "text": "$null"}
{"pk1": "e", "pk2": "z", "content": "e-z", "sortable": 16, "sortable_with_nulls": 0.8453039251425987, "sortable_with_nulls_2": 0.8533354586601858, "text": "$blah"}
{"pk1": "d", "pk2": "z", "content": "d-z", "sortable": -31, "sortable_with_nulls": null, "sortable_with_nulls_2": 0.8894228892924536, "text": "$blah"}