{"pk1": "c", "pk2": "u", "content": "c-u", "sortable": -79, "sortable_with_nulls": 0.6427496480093358, "sortable_with_nulls_2": 0.18172902651343215, "text": "$null"}
{"pk1": "a", "pk2": "u", "content": "a-u", "sortable": -68, "sortable_with_nulls": null, "sortable_with_nulls_2": 0.2650566289400591, "text": "$null"}
{"pk1": "b", "pk2": "u", "content": "b-u", "sortable": -10, "sortable_with_nulls": 0.7801162418714427, "sortable_with_nulls_2": null, "text": "$null"}