Datasets:
File size: 5,759 Bytes
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"pack": "edtech-practice-evalpack",
"misata_version": "0.8.7.1",
"seed": 42,
"spec_sha256": "442a7dd34251d5d05e7e8face9ae50add7034f11507daf5706a823fb0c6bb55f",
"generated_at": "2026-07-16T15:06:04.534636+00:00",
"verifier": {
"engine": "duckdb",
"version": "1.4.2"
},
"sql_dialect": "duckdb",
"answer_comparison": "numeric at round_decimals (never string equality); strings compared exactly",
"fk_integrity": [
{
"relationship": "practice_attempts.student_id -> students.student_id",
"orphans": 0,
"verified": true
}
],
"conformance_warnings": [],
"questions": [
{
"id": "q001",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-01-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-02-01 00:00:00'",
"expected": 500000.0,
"observed": 500000,
"match": true
},
{
"id": "q002",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-02-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-03-01 00:00:00'",
"expected": 520000.0,
"observed": 520000,
"match": true
},
{
"id": "q003",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-03-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-04-01 00:00:00'",
"expected": 540000.0,
"observed": 540000,
"match": true
},
{
"id": "q004",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-04-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-05-01 00:00:00'",
"expected": 560000.0,
"observed": 560000,
"match": true
},
{
"id": "q005",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-05-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-06-01 00:00:00'",
"expected": 580000.0,
"observed": 580000,
"match": true
},
{
"id": "q006",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-06-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-07-01 00:00:00'",
"expected": 600000.0,
"observed": 600000,
"match": true
},
{
"id": "q007",
"gold_sql": "SELECT ROUND(SUM(\"duration_seconds\"), 2) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-01-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-07-01 00:00:00'",
"expected": 3300000.0,
"observed": 3300000,
"match": true
},
{
"id": "q008",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-01-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-02-01 00:00:00'",
"expected": 2273,
"observed": 2273,
"match": true
},
{
"id": "q009",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-02-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-03-01 00:00:00'",
"expected": 2364,
"observed": 2364,
"match": true
},
{
"id": "q010",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-03-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-04-01 00:00:00'",
"expected": 2455,
"observed": 2455,
"match": true
},
{
"id": "q011",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-04-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-05-01 00:00:00'",
"expected": 2545,
"observed": 2545,
"match": true
},
{
"id": "q012",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-05-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-06-01 00:00:00'",
"expected": 2636,
"observed": 2636,
"match": true
},
{
"id": "q013",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-06-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-07-01 00:00:00'",
"expected": 2727,
"observed": 2727,
"match": true
},
{
"id": "q014",
"gold_sql": "SELECT strftime(date_trunc('month', \"attempted_at\"), '%Y-%m') AS period FROM \"practice_attempts\" GROUP BY 1 ORDER BY SUM(\"duration_seconds\") DESC, 1 ASC LIMIT 1",
"expected": "2025-06",
"observed": "2025-06",
"match": true
},
{
"id": "q017",
"gold_sql": "SELECT ROUND(AVG(CASE WHEN \"correct\" = TRUE THEN 1.0 ELSE 0.0 END), 4) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-03-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-04-01 00:00:00'",
"expected": 0.602,
"observed": 0.602,
"match": true
},
{
"id": "q019",
"gold_sql": "SELECT ROUND(AVG(CASE WHEN \"correct\" = TRUE THEN 1.0 ELSE 0.0 END), 4) FROM \"practice_attempts\" WHERE \"attempted_at\" >= TIMESTAMP '2025-05-01 00:00:00' AND \"attempted_at\" < TIMESTAMP '2025-06-01 00:00:00'",
"expected": 0.654,
"observed": 0.654,
"match": true
},
{
"id": "q021",
"gold_sql": "SELECT COUNT(*) FROM \"practice_attempts\" c LEFT JOIN \"students\" p ON c.\"student_id\" = p.\"student_id\" WHERE p.\"student_id\" IS NULL AND c.\"student_id\" IS NOT NULL",
"expected": 0,
"observed": 0,
"match": true
}
],
"all_match": true
} |