{
  "question_as_asked": "Calculate the difference of the total amount spent in all events by the Student_Club in year 2019 and 2020.",
  "question": {
    "question_id": "1340",
    "question_set": "mini_dev_postgresql from https://bird-bench.oss-cn-beijing.aliyuncs.com/minidev.zip (sha256 cc48ba16838204e4e214512030cb572eeb5f7bcdd999bae4b9b6ff12ec13b92f, downloaded 2026-09-07), member minidev/MINIDEV/mini_dev_postgresql.json",
    "question_text": "Calculate the difference of the total amount spent in all events by the Student_Club in year 2019 and 2020.",
    "evidence_text": "The first 4 strings of the event_date values in the event table can represent year; The difference of the total amount spent = SUBTRACT(spent where YEAR(event_date) = 2019, spent where YEAR(event_date) = 2020)"
  },
  "question_set_version": "sha256:d2731292f20b8d8569cd956dd747ffe1df13cd625076263e38ae9ebcef50b1ab",
  "statement_source": {
    "path": "data/questions/mini_dev_postgresql.json",
    "digest": "sha256:d2731292f20b8d8569cd956dd747ffe1df13cd625076263e38ae9ebcef50b1ab",
    "origin": "https://bird-bench.oss-cn-beijing.aliyuncs.com/minidev.zip (sha256 cc48ba16838204e4e214512030cb572eeb5f7bcdd999bae4b9b6ff12ec13b92f, downloaded 2026-09-07), member minidev/MINIDEV/mini_dev_postgresql.json",
    "date": "2024-06-19"
  },
  "executed_sql": "SELECT SUM(CASE WHEN SUBSTR(T1.event_date, 1, 4) = '2019' THEN T2.spent ELSE 0 END) - SUM(CASE WHEN SUBSTR(T1.event_date, 1, 4) = '2020' THEN T2.spent ELSE 0 END) AS num FROM event AS T1 INNER JOIN budget AS T2 ON T1.event_id = T2.link_to_event",
  "bound_parameters": [],
  "validation_outcome": {
    "checks_run": [
      "parses_as_exactly_one_statement",
      "the_one_statement_is_a_select",
      "no_placeholder_without_a_bound_parameter"
    ],
    "all_passed": true
  },
  "validator_version": "audit:libpg_query-parse",
  "effective_database_role": "auditor",
  "backend_identity_at_checkout": "PostgreSQL 16.15 (Debian 16.15-1.pgdg13+2) on aarch64-unknown-linux-gnu, compiled by gcc (Debian 14.2.0-19) 14.2.0, 64-bit | server=172.17.0.2/32:5432 | database=bird",
  "session_settings_in_force": {
    "engine": "postgresql",
    "time_zone": "Etc/UTC",
    "date_style": "ISO, MDY",
    "interval_style": "postgres",
    "extra_float_digits": "1",
    "database_collation": "en_US.utf8",
    "work_mem": "4096",
    "hash_mem_multiplier": "2",
    "recorded": {
      "statement_timeout": "0",
      "search_path": "\"$user\", public",
      "server_version": "16.15 (Debian 16.15-1.pgdg13+2)",
      "server_version_num": "160015",
      "transaction_read_only": "on",
      "max_parallel_workers_per_gather": "2",
      "server_encoding": "UTF8",
      "datlocprovider": "c",
      "daticulocale": "",
      "datcollversion": "2.41"
    }
  },
  "result": {
    "columns": [
      {
        "name": "num",
        "declared_type": "float4"
      }
    ],
    "row_count": 1,
    "truncated": false,
    "rows": [
      [
        {
          "type": "dec",
          "value": "2086.05"
        }
      ]
    ],
    "backend_identity": "PostgreSQL 16.15 (Debian 16.15-1.pgdg13+2) on aarch64-unknown-linux-gnu, compiled by gcc (Debian 14.2.0-19) 14.2.0, 64-bit | server=172.17.0.2/32:5432 | database=bird",
    "statement_timeout_ms": 120000
  },
  "row_count": 1,
  "canonical_ordering": [],
  "serialization": {
    "version": "attestql/audit/2",
    "numeric_scale": 6,
    "timestamp_format": "%Y-%m-%dT%H:%M:%S.%fZ",
    "timezone": "UTC",
    "null_rendering": "NULL",
    "encoding": "utf-8"
  },
  "replay_rule": "R-SET",
  "fixture": {
    "schema_digest": "sha256:06d01f2c3acde8cafe2e3f5e90d35a10d703b2b0d96962a645dd9c14b6769af0",
    "row_counts": {
      "public.budget": 52,
      "public.event": 42
    },
    "content_digests": {},
    "source_file_sha256": "sha256:31b1da211849d24a57c9af7636da46a5b82fc8a3ca1542bb3ebd8775e9a31cec"
  },
  "data_as_of": "2026-09-08T05:23:23.924963+00:00",
  "executed_at": "2026-09-08T05:23:32.988206+00:00",
  "run_id": "audit-34520748-ce64-4674-9cd7-6d6fac5b9805",
  "rerun_instruction": "re-run this statement read-only against PostgreSQL 16.15 (Debian 16.15-1.pgdg13+2) on aarch64-unknown-linux-gnu, compiled by gcc (Debian 14.2.0-19) 14.2.0, 64-bit | server=172.17.0.2/32:5432 | database=bird under the session settings and over the data this record's fixture digest names, and compare the two results under R-SET",
  "result_hash": "sha256:8ec9642f1f2d773f23ac5c701909c24d0e993619408c86f4e3ea41ebf18e2bca",
  "record_hash": "sha256:013151333633313ed7775c25134ab7a6a41a2d2ad206121e75e37f37f5e469da"
}