q847

R-ORD GOLD-ONLY arbitrary-cut

formula_1 · dev_20251106-00000-of-00001 from https://huggingface.co/datasets/birdsql/bird_sql_dev_20251106/resolve/3c11fb193e5439b338e23677fa0aae11e8b85db9/data/dev_20251106-00000-of-00001.json (commit 3c11fb19, downloaded 2026-09-07)

The question

What is the surname of the driver with the best lap time in race number 19 in the second qualifying period?

the hint the set supplies: race number refers to raceId; second qualifying period refers to q2; best lap time refers to MIN(q2);

This question was audited without a prediction beside it, so there is nothing to compare the gold with. The probes below read the gold alone.

read by hand, 2026-09-07: wrong the gold does not answer its question on this data

the qualifying time is NULL in six of the 22 rows and sorts first ascending, so the gold returns a driver who set no time in that period rather than the best one

a maintainer's reading of this question, out of classification.json, copied from plans/reports/bird-dev-sqlite-260907/classification.json. It is not a verdict and nothing above it was computed from it.

The statements

gold

SELECT T2.surname
FROM qualifying AS T1
INNER JOIN drivers AS T2 ON T2.driverId = T1.driverId
WHERE T1.raceId = 19
ORDER BY T1.q2 ASC
LIMIT 1;
T1.q2
ascending

sha256:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1

The results

gold, 1 row

from evidence-gold.json, 1 row

surnameTEXT
Fisichella

The probes

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.

ordering-over-numeric-text quiet

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

what it measured 
{
  "heuristic": true,
  "keys": [
    {
      "key": "T1.q2",
      "column": "qualifying.q2",
      "declared_type": "TEXT",
      "not_applicable": null,
      "census": {
        "rows": 7397,
        "nulls": 3807,
        "empty_strings": 23,
        "non_numeric": 3567,
        "pattern": "^-?[0-9]+(\\.[0-9]+)?$"
      },
      "every_value_is_numeric": false
    }
  ]
}

arbitrary-cut fired

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

from smells.json, 6 rows

Fisichella NULL
Nakajima NULL
Bourdais NULL
Sato NULL
Sutil NULL
Davidson NULL
what it measured 
{
  "heuristic": true,
  "cut": 1,
  "offset": 0,
  "distinct_kept": false,
  "unbounded_sql": "SELECT T2.surname, T1.q2 AS attestql_ordering_key_0 FROM qualifying AS T1 INNER JOIN drivers AS T2 ON T2.driverId = T1.driverId WHERE T1.raceId = 19 ORDER BY T1.q2 ASC",
  "unbounded_rows": 22,
  "projected_columns": [
    "surname"
  ],
  "ordering_key_columns": [
    "attestql_ordering_key_0"
  ],
  "ordering_keys": [
    {
      "key": "T1.q2",
      "direction": "asc",
      "nulls": "first",
      "nulls_first_in_effect": true,
      "returned_rows_null_in_this_key": 1,
      "fires": true
    }
  ],
  "returned_rows_with_a_null_key": [
    [
      {
        "type": "str",
        "value": "Fisichella"
      }
    ]
  ],
  "tied_at_the_cut": {
    "positions": [
      0,
      1,
      2,
      3,
      4,
      5
    ],
    "tied_rows": 6,
    "distinct_projected_answers": 6,
    "rows": [
      [
        {
          "type": "str",
          "value": "Fisichella"
        }
      ],
      [
        {
          "type": "str",
          "value": "Nakajima"
        }
      ],
      [
        {
          "type": "str",
          "value": "Bourdais"
        }
      ],
      [
        {
          "type": "str",
          "value": "Sato"
        }
      ],
      [
        {
          "type": "str",
          "value": "Sutil"
        }
      ],
      [
        {
          "type": "str",
          "value": "Davidson"
        }
      ]
    ]
  },
  "case": "tie-at-the-cut, null-first"
}

not-a-function-of-the-data quiet

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

what it measured 
{
  "heuristic": true,
  "rule": "R-ORD",
  "baseline_result_hash": "sha256:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1",
  "baseline_result": {
    "columns": [
      {
        "name": "surname",
        "declared_type": "TEXT"
      }
    ],
    "row_count": 1,
    "truncated": false,
    "rows_shown": 1,
    "rows": [
      [
        {
          "type": "str",
          "value": "Fisichella"
        }
      ]
    ],
    "result_hash": "sha256:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1"
  },
  "planner_statistics": {},
  "shuffle": {
    "seed": "1",
    "row_limit": 300000,
    "tables": [
      "qualifying",
      "drivers"
    ],
    "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:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1",
    "result": {
      "columns": [
        {
          "name": "surname",
          "declared_type": "TEXT"
        }
      ],
      "row_count": 1,
      "truncated": false,
      "rows_shown": 1,
      "rows": [
        [
          {
            "type": "str",
            "value": "Fisichella"
          }
        ]
      ],
      "result_hash": "sha256:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1"
    }
  },
  "plan_variant": {
    "run": false,
    "reason": "the plan variant was not asked for"
  }
}

The evidence records

gold: evidence-gold.json

SELECT T2.surname
FROM qualifying AS T1
INNER JOIN drivers AS T2 ON T2.driverId = T1.driverId
WHERE T1.raceId = 19
ORDER BY T1.q2 ASC
LIMIT 1;
statement read from
data/questions/dev_20251106-00000-of-00001.json
digest
sha256:ffd8018378ddb1a8794753e0a31cfc81862ff7318a5184c22f3dc4ce03a03feb
origin
https://huggingface.co/datasets/birdsql/bird_sql_dev_20251106/resolve/3c11fb193e5439b338e23677fa0aae11e8b85db9/data/dev_20251106-00000-of-00001.json (commit 3c11fb19, downloaded 2026-09-07), 2026-01-18T08:51:02Z

result_hash sha256:ea18e98d4db4d459758b36ffd9f2284f7ca53fee049312e4ef58f71d1afea4e1 recomputed from this JSON: match

record_hash sha256:de2253e49dfb989cdca066fe2f6abced4ac37a7be3ff8fa008a4723423fd2ca4 recomputed from this JSON: match

the result this record holds, 1 row

from evidence-gold.json, 1 row

surnameTEXT
Fisichella
what ran, and where
run
audit-12a6eeae-04a4-45ea-866b-f75095ba654b
executed at
2026-09-08T04:57:31.728159+00:00
data as of
2026-09-08T04:57:31.494463+00:00
backend at checkout
SQLite 3.53.4 | file=/private/tmp/attestql-runs/data/dev/dev_databases/formula_1/formula_1.sqlite | size=22360064
backend that answered
SQLite 3.53.4 | file=/private/tmp/attestql-runs/data/dev/dev_databases/formula_1/formula_1.sqlite | size=22360064
database role
file
replay rule
R-ORD
question set version
sha256:ffd8018378ddb1a8794753e0a31cfc81862ff7318a5184c22f3dc4ce03a03feb
validator
audit:sqlglot-sqlite-parse
checks run
parses_as_exactly_one_statement, the_one_statement_is_a_select, no_placeholder_without_a_bound_parameter
statement timeout
30000 ms
rows
1 row
the session it ran under
engine
sqlite
time_zone
not stated by this engine
date_style
not stated by this engine
interval_style
not stated by this engine
extra_float_digits
not stated by this engine
database_collation
not stated by this engine
work_mem
not stated by this engine
hash_mem_multiplier
not stated by this engine

recorded beside them

sqlite_version
3.53.4
encoding
UTF-8
reverse_unordered_selects
0
query_only
1
journal_mode
delete
data_version
1
compile_options
ATOMIC_INTRINSICS=1,COMPILER=clang-21.0.0,DEFAULT_AUTOVACUUM,DEFAULT_CACHE_SIZE=-2000,DEFAULT_FILE_FORMAT=4,DEFAULT_JOURNAL_SIZE_LIMIT=-1,DEFAULT_MMAP_SIZE=0,DEFAULT_PAGE_SIZE=4096,DEFAULT_PCACHE_INITSZ=20,DEFAULT_RECURSIVE_TRIGGERS,DEFAULT_SECTOR_SIZE=4096,DEFAULT_SYNCHRONOUS=2,DEFAULT_WAL_AUTOCHECKPOINT=1000,DEFAULT_WAL_SYNCHRONOUS=2,DEFAULT_WORKER_THREADS=0,DIRECT_OVERFLOW_READ,ENABLE_API_ARMOR,ENABLE_COLUMN_METADATA,ENABLE_DBSTAT_VTAB,ENABLE_FTS3,ENABLE_FTS3_PARENTHESIS,ENABLE_FTS5,ENABLE_GEOPOLY,ENABLE_MATH_FUNCTIONS,ENABLE_MEMORY_MANAGEMENT,ENABLE_PERCENTILE,ENABLE_PREUPDATE_HOOK,ENABLE_RTREE,ENABLE_SESSION,ENABLE_STAT4,ENABLE_UNLOCK_NOTIFY,MALLOC_SOFT_LIMIT=1024,MAX_ATTACHED=10,MAX_COLUMN=2000,MAX_COMPOUND_SELECT=500,MAX_DEFAULT_PAGE_SIZE=8192,MAX_EXPR_DEPTH=1000,MAX_FUNCTION_ARG=1000,MAX_LENGTH=1000000000,MAX_LIKE_PATTERN_LENGTH=50000,MAX_MMAP_SIZE=0x7fff0000,MAX_PAGE_COUNT=0xfffffffe,MAX_PAGE_SIZE=65536,MAX_SQL_LENGTH=1000000000,MAX_TRIGGER_DEPTH=1000,MAX_VARIABLE_NUMBER=250000,MAX_VDBE_OP=250000000,MAX_WORKER_THREADS=8,MUTEX_PTHREADS,SYSTEM_MALLOC,TEMP_STORE=1,THREADSAFE=1,USE_URI
collation_list
RTRIM,NOCASE,BINARY
case_sensitive_like
0
the rendering and the data
version
attestql/audit/2
numeric_scale
6
timestamp_format
%Y-%m-%dT%H:%M:%S.%fZ
timezone
UTC
null_rendering
NULL
encoding
utf-8
schema digest
sha256:08256dce10cc1d388e2e8ce44e5bb2b3bcd7e6afd13ad5f0e1d9b3a168990d9d
source file sha256
sha256:17185981cd747f6cdc374cb02a6096db3130e6ec2ddc582fe1686a28fb4c4c8a
rows in main.drivers
840
rows in main.qualifying
7397

Running these again

gold

re-run this statement read-only against SQLite 3.53.4 | file=/private/tmp/attestql-runs/data/dev/dev_databases/formula_1/formula_1.sqlite | size=22360064 under the session settings and over the data this record's fixture digest names, and compare the two results under R-ORD

This question's run

run
audit-12a6eeae-04a4-45ea-866b-f75095ba654b
server
SQLite 3.53.4 | file=/private/tmp/attestql-runs/data/dev/dev_databases/formula_1/formula_1.sqlite | size=22360064
question set
dev_20251106-00000-of-00001 from https://huggingface.co/datasets/birdsql/bird_sql_dev_20251106/resolve/3c11fb193e5439b338e23677fa0aae11e8b85db9/data/dev_20251106-00000-of-00001.json (commit 3c11fb19, downloaded 2026-09-07)
replay rule
R-ORD

the run this question belongs to

The JSON this page was rendered from