{
  "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.date",
            "column": "badges.date",
            "declared_type": "timestamp with time zone",
            "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.displayname, t2.date AS attestql_ordering_key_0 FROM users t1 JOIN badges t2 ON t1.id = t2.userid WHERE t2.name = 'Autobiographer' ORDER BY t2.date",
        "unbounded_rows": 4480,
        "projected_columns": [
          "displayname"
        ],
        "ordering_key_columns": [
          "attestql_ordering_key_0"
        ],
        "ordering_keys": [
          {
            "key": "t2.date",
            "direction": "asc",
            "nulls": "default",
            "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": 12,
          "distinct_projected_answers": 12,
          "rows": [
            [
              {
                "type": "str",
                "value": "Geoff Dalgas"
              }
            ],
            [
              {
                "type": "str",
                "value": "Jarrod Dixon"
              }
            ],
            [
              {
                "type": "str",
                "value": "Vince"
              }
            ],
            [
              {
                "type": "str",
                "value": "csgillespie"
              }
            ],
            [
              {
                "type": "str",
                "value": "Pierre"
              }
            ],
            [
              {
                "type": "str",
                "value": "wahalulu"
              }
            ],
            [
              {
                "type": "str",
                "value": "Jin"
              }
            ],
            [
              {
                "type": "str",
                "value": "Sharpie"
              }
            ],
            [
              {
                "type": "str",
                "value": "grokus"
              }
            ],
            [
              {
                "type": "str",
                "value": "Noah Snyder"
              }
            ]
          ]
        },
        "case": "tie-at-the-cut"
      },
      "counterexample_rows": [
        [
          {
            "type": "str",
            "value": "Geoff Dalgas"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Jarrod Dixon"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Vince"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "csgillespie"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Pierre"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "wahalulu"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Jin"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Sharpie"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "grokus"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ],
        [
          {
            "type": "str",
            "value": "Noah Snyder"
          },
          {
            "type": "ts",
            "value": "2010-07-19T11:39:09+00:00"
          }
        ]
      ]
    },
    {
      "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:ee5b899354aa38abbfb2efd2e0b9ff079e09e3f44a5d712fdce7903a7cc6ca0b",
        "baseline_result": {
          "columns": [
            {
              "name": "displayname",
              "declared_type": "text"
            }
          ],
          "row_count": 1,
          "truncated": false,
          "rows_shown": 1,
          "rows": [
            [
              {
                "type": "str",
                "value": "Geoff Dalgas"
              }
            ]
          ],
          "result_hash": "sha256:ee5b899354aa38abbfb2efd2e0b9ff079e09e3f44a5d712fdce7903a7cc6ca0b"
        },
        "planner_statistics": {
          "users": {
            "last_analyze": null,
            "last_autoanalyze": null,
            "n_mod_since_analyze": 40325
          },
          "badges": {
            "last_analyze": null,
            "last_autoanalyze": "2026-09-08 05:19:12.766008+00",
            "n_mod_since_analyze": 0
          }
        },
        "shuffle": {
          "seed": "1",
          "row_limit": 300000,
          "tables": [
            "users",
            "badges"
          ],
          "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": "equal",
          "differs": false,
          "result_hash": "sha256:ee5b899354aa38abbfb2efd2e0b9ff079e09e3f44a5d712fdce7903a7cc6ca0b",
          "result": {
            "columns": [
              {
                "name": "displayname",
                "declared_type": "text"
              }
            ],
            "row_count": 1,
            "truncated": false,
            "rows_shown": 1,
            "rows": [
              [
                {
                  "type": "str",
                  "value": "Geoff Dalgas"
                }
              ]
            ],
            "result_hash": "sha256:ee5b899354aa38abbfb2efd2e0b9ff079e09e3f44a5d712fdce7903a7cc6ca0b"
          }
        },
        "plan_variant": {
          "run": false,
          "reason": "the plan variant was not asked for"
        }
      },
      "counterexample_rows": []
    }
  ]
}
