{
  "measured_utc": "2026-10-12T16:38:28.206135+00:00",
  "python": "3.11.5",
  "sqlite": "3.42.0",
  "os": "Windows-10-10.0.19045-SP0",
  "processor": "AMD64 Family 23 Model 24 Stepping 1, AuthenticAMD",
  "rows": 50000,
  "date_min": "2025-01-01T00:00:12.000",
  "date_max": "2025-01-05T23:57:33.000",
  "sample": "First 50,000 unique keys ascending among January 2025 records; not a representative month sample.",
  "parameters": [
    "BROOKLYN",
    "NYPD"
  ],
  "warmups": 5,
  "samples_per_variant": 40,
  "timing": "perf_counter_ns; fetchall included; alternating baseline/candidate order; warm OS/SQLite caches; no concurrency; p95 nearest rank",
  "queries": {
    "recent_requests": "SELECT unique_key,created_date,complaint_type FROM requests WHERE borough=? AND agency=? ORDER BY created_date DESC,unique_key DESC LIMIT 50",
    "category_counts": "SELECT complaint_type,count(*) AS n FROM requests WHERE borough=? AND agency=? GROUP BY complaint_type ORDER BY n DESC,complaint_type"
  },
  "indexes": [
    "CREATE INDEX requests_recent ON requests(borough,agency,created_date DESC,unique_key DESC,complaint_type)",
    "CREATE INDEX requests_categories ON requests(borough,agency,complaint_type)"
  ],
  "results": {
    "recent_requests": {
      "row_count": 50,
      "result_sha256": "3e0c536dce9a5ddaf39b28296e29b9cd28eef65ac8f6dccfde396ed0192ae34d",
      "plans": [
        [
          "SCAN requests",
          "USE TEMP B-TREE FOR ORDER BY"
        ],
        [
          "SEARCH requests USING COVERING INDEX requests_recent (borough=? AND agency=?)"
        ]
      ],
      "vm_steps": [
        208717,
        361
      ],
      "median_ms": [
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      "p95_ms": [
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      "raw_ms": [
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      "equality_checks": 71
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    "category_counts": {
      "row_count": 20,
      "result_sha256": "eae47aa332ababf16ea4f78614735b9db9571d83958e6f9947a5ba5b27626cc5",
      "plans": [
        [
          "SCAN requests",
          "USE TEMP B-TREE FOR GROUP BY",
          "USE TEMP B-TREE FOR ORDER BY"
        ],
        [
          "SEARCH requests USING COVERING INDEX requests_categories (borough=? AND agency=?)",
          "USE TEMP B-TREE FOR ORDER BY"
        ]
      ],
      "vm_steps": [
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        42881
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      "median_ms": [
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      "p95_ms": [
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      "equality_checks": 71
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  "database_bytes": [
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  "parameter_pairs_checked": 71
}