{
  "format": "attestql/audit/smells/2",
  "reading": "A smell is a mechanical reason to read this gold statement again. It is a heuristic: it does not state that the statement is wrong, and a maintainer decides.",
  "smells": [
    {
      "name": "ordering-over-numeric-text",
      "fired": true,
      "applicable": true,
      "evidence": {
        "heuristic": true,
        "means": "this statement orders by a text column holding only numbers, and ordering it as a number gives a different answer, so the gold may be sorting 9.5 above 10",
        "keys": [
          {
            "key": "T2.fastestLapSpeed",
            "column": "results.fastestLapSpeed",
            "declared_type": "TEXT",
            "not_applicable": null,
            "census": {
              "rows": 23657,
              "nulls": 18389,
              "empty_strings": 0,
              "non_numeric": 0,
              "pattern": "^-?[0-9]+(\\.[0-9]+)?$"
            },
            "every_value_is_numeric": true,
            "cast_sql": "SELECT T1.forename, T1.surname FROM drivers AS T1 INNER JOIN results AS T2 ON T2.driverId = T1.driverId WHERE NOT T2.fastestLapTime IS NULL ORDER BY CAST(T2.fastestLapSpeed AS REAL) DESC LIMIT 1",
            "verdict": "not_equal",
            "gold_result": {
              "columns": [
                {
                  "name": "forename",
                  "declared_type": "TEXT"
                },
                {
                  "name": "surname",
                  "declared_type": "TEXT"
                }
              ],
              "row_count": 1,
              "truncated": false,
              "rows_shown": 1,
              "rows": [
                [
                  {
                    "type": "str",
                    "value": "Vitantonio"
                  },
                  {
                    "type": "str",
                    "value": "Liuzzi"
                  }
                ]
              ],
              "result_hash": "sha256:c124758891509a969f09ce394905a4de870ccf83ae03ea374f801663cc98b9a2"
            },
            "cast_result": {
              "columns": [
                {
                  "name": "forename",
                  "declared_type": "TEXT"
                },
                {
                  "name": "surname",
                  "declared_type": "TEXT"
                }
              ],
              "row_count": 1,
              "truncated": false,
              "rows_shown": 1,
              "rows": [
                [
                  {
                    "type": "str",
                    "value": "Rubens"
                  },
                  {
                    "type": "str",
                    "value": "Barrichello"
                  }
                ]
              ],
              "result_hash": "sha256:c0b3d9e79971b9f82143ba698481a24d963b30626cc7083366a3be5a230cb9c9"
            }
          }
        ]
      },
      "counterexample_rows": [
        [
          {
            "type": "str",
            "value": "Vitantonio"
          },
          {
            "type": "str",
            "value": "Liuzzi"
          }
        ]
      ]
    },
    {
      "name": "arbitrary-cut",
      "fired": false,
      "applicable": true,
      "evidence": {
        "heuristic": true,
        "means": "this statement cuts its result at a LIMIT that does not decide which rows come back, so a different but equally correct statement can return other rows and score zero",
        "cut": 1,
        "offset": 0,
        "distinct_kept": false,
        "unbounded_sql": "SELECT T1.forename, T1.surname, T2.fastestLapSpeed AS attestql_ordering_key_0 FROM drivers AS T1 INNER JOIN results AS T2 ON T2.driverId = T1.driverId WHERE NOT T2.fastestLapTime IS NULL ORDER BY T2.fastestLapSpeed DESC",
        "unbounded_rows": 5268,
        "projected_columns": [
          "forename",
          "surname"
        ],
        "ordering_key_columns": [
          "attestql_ordering_key_0"
        ],
        "ordering_keys": [
          {
            "key": "T2.fastestLapSpeed",
            "direction": "desc",
            "nulls": "last",
            "nulls_first_in_effect": false,
            "returned_rows_null_in_this_key": 0,
            "fires": false
          }
        ],
        "case": null
      },
      "counterexample_rows": []
    },
    {
      "name": "not-a-function-of-the-data",
      "fired": false,
      "applicable": true,
      "evidence": {
        "heuristic": true,
        "means": "rerun over the same rows in another physical order this statement gives another answer, so its result depends on how the rows are stored and not only on the data",
        "rule": "R-ORD",
        "baseline_result_hash": "sha256:c124758891509a969f09ce394905a4de870ccf83ae03ea374f801663cc98b9a2",
        "baseline_result": {
          "columns": [
            {
              "name": "forename",
              "declared_type": "TEXT"
            },
            {
              "name": "surname",
              "declared_type": "TEXT"
            }
          ],
          "row_count": 1,
          "truncated": false,
          "rows_shown": 1,
          "rows": [
            [
              {
                "type": "str",
                "value": "Vitantonio"
              },
              {
                "type": "str",
                "value": "Liuzzi"
              }
            ]
          ],
          "result_hash": "sha256:c124758891509a969f09ce394905a4de870ccf83ae03ea374f801663cc98b9a2"
        },
        "planner_statistics": {},
        "shuffle": {
          "seed": "1",
          "row_limit": 300000,
          "tables": [
            "drivers",
            "results"
          ],
          "tables_not_shuffled": [],
          "tables_skipped_for_size": {
            "lapTimes": 420369
          },
          "tables_not_reached_by_a_copy": {}
        },
        "shuffled_copies": {
          "run": true,
          "verdict": "equal",
          "differs": false,
          "result_hash": "sha256:c124758891509a969f09ce394905a4de870ccf83ae03ea374f801663cc98b9a2",
          "result": {
            "columns": [
              {
                "name": "forename",
                "declared_type": "TEXT"
              },
              {
                "name": "surname",
                "declared_type": "TEXT"
              }
            ],
            "row_count": 1,
            "truncated": false,
            "rows_shown": 1,
            "rows": [
              [
                {
                  "type": "str",
                  "value": "Vitantonio"
                },
                {
                  "type": "str",
                  "value": "Liuzzi"
                }
              ]
            ],
            "result_hash": "sha256:c124758891509a969f09ce394905a4de870ccf83ae03ea374f801663cc98b9a2"
          }
        },
        "plan_variant": {
          "run": false,
          "reason": "the plan variant was not asked for"
        }
      },
      "counterexample_rows": []
    }
  ]
}