{
  "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": false,
      "applicable": false,
      "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",
        "reason": "no ORDER BY key resolves to a text column",
        "keys": [
          {
            "key": "t2.a11",
            "column": "district.a11",
            "declared_type": "bigint",
            "not_applicable": "the column is not declared as text"
          }
        ]
      },
      "counterexample_rows": []
    },
    {
      "name": "arbitrary-cut",
      "fired": true,
      "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.account_id, (SELECT max(a11) - min(a11) FROM district), t2.a11 AS attestql_ordering_key_0 FROM account t1 JOIN district t2 ON t1.district_id = t2.district_id JOIN disp t3 ON t1.account_id = t3.account_id JOIN client t4 ON t3.client_id = t4.client_id WHERE t2.district_id = (SELECT district_id FROM client WHERE gender = 'F' ORDER BY birth_date ASC NULLS FIRST LIMIT 1) ORDER BY t2.a11 DESC NULLS LAST",
        "unbounded_rows": 55,
        "projected_columns": [
          "account_id",
          "?column?"
        ],
        "ordering_key_columns": [
          "attestql_ordering_key_0"
        ],
        "ordering_keys": [
          {
            "key": "t2.a11",
            "direction": "desc",
            "nulls": "last",
            "nulls_first_in_effect": false,
            "returned_rows_null_in_this_key": 0,
            "fires": false
          }
        ],
        "tied_at_the_cut": {
          "positions": [
            0,
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8,
            9
          ],
          "tied_rows": 55,
          "distinct_projected_answers": 49,
          "rows": [
            [
              {
                "type": "int",
                "value": 6
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 142
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 142
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 361
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 463
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 646
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 758
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 1353
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 1506
              },
              {
                "type": "int",
                "value": 4431
              }
            ],
            [
              {
                "type": "int",
                "value": 1509
              },
              {
                "type": "int",
                "value": 4431
              }
            ]
          ]
        },
        "case": "tie-at-the-cut"
      },
      "counterexample_rows": [
        [
          {
            "type": "int",
            "value": 6
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 142
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 142
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 361
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 463
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 646
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 758
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 1353
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 1506
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ],
        [
          {
            "type": "int",
            "value": 1509
          },
          {
            "type": "int",
            "value": 4431
          },
          {
            "type": "int",
            "value": 8541
          }
        ]
      ]
    },
    {
      "name": "not-a-function-of-the-data",
      "fired": true,
      "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:b3c895538cef01fc149e8542efe6fa9f0bdcf3c1c697e67c83b9e9578d8761ea",
        "baseline_result": {
          "columns": [
            {
              "name": "account_id",
              "declared_type": "int8"
            },
            {
              "name": "?column?",
              "declared_type": "int8"
            }
          ],
          "row_count": 1,
          "truncated": false,
          "rows_shown": 1,
          "rows": [
            [
              {
                "type": "int",
                "value": 6
              },
              {
                "type": "int",
                "value": 4431
              }
            ]
          ],
          "result_hash": "sha256:b3c895538cef01fc149e8542efe6fa9f0bdcf3c1c697e67c83b9e9578d8761ea"
        },
        "planner_statistics": {
          "client": {
            "last_analyze": null,
            "last_autoanalyze": "2026-09-08 05:19:12.822716+00",
            "n_mod_since_analyze": 0
          },
          "disp": {
            "last_analyze": null,
            "last_autoanalyze": "2026-09-08 05:19:17.037279+00",
            "n_mod_since_analyze": 0
          },
          "district": {
            "last_analyze": null,
            "last_autoanalyze": "2026-09-08 05:19:24.361355+00",
            "n_mod_since_analyze": 0
          },
          "account": {
            "last_analyze": null,
            "last_autoanalyze": "2026-09-08 05:19:16.907324+00",
            "n_mod_since_analyze": 0
          }
        },
        "shuffle": {
          "seed": "1",
          "row_limit": 300000,
          "tables": [
            "client",
            "disp",
            "district",
            "account"
          ],
          "tables_not_shuffled": [],
          "tables_skipped_for_size": {
            "laptimes": 400524,
            "legalities": 427907,
            "posthistory": 303155,
            "trans": 1056320,
            "yearmonth": 383282
          },
          "tables_not_reached_by_a_copy": {}
        },
        "shuffled_copies": {
          "run": true,
          "verdict": "not_equal",
          "differs": true,
          "result_hash": "sha256:8cdedd85a14afc490dbc9ec61a088741b845ca51b224a6763fc44a7b272816b0",
          "result": {
            "columns": [
              {
                "name": "account_id",
                "declared_type": "int8"
              },
              {
                "name": "?column?",
                "declared_type": "int8"
              }
            ],
            "row_count": 1,
            "truncated": false,
            "rows_shown": 1,
            "rows": [
              [
                {
                  "type": "int",
                  "value": 3491
                },
                {
                  "type": "int",
                  "value": 4431
                }
              ]
            ],
            "result_hash": "sha256:8cdedd85a14afc490dbc9ec61a088741b845ca51b224a6763fc44a7b272816b0"
          }
        },
        "plan_variant": {
          "run": false,
          "reason": "the plan variant was not asked for"
        }
      },
      "counterexample_rows": [
        [
          {
            "type": "int",
            "value": 3491
          },
          {
            "type": "int",
            "value": 4431
          }
        ]
      ]
    }
  ]
}