{
    "schema": "DDB_REVENUE_SQL_PLAN_PROFILE_V1",
    "hospital": "njch",
    "year": 2026,
    "compare_year": 2025,
    "months": "1-6",
    "iterations": 3,
    "legacy_range_ms": [
        125165.173,
        51244.477,
        16189.921
    ],
    "optimized_year_month_ms": [
        7885.68,
        3928.11,
        2119.145
    ],
    "legacy_avg_ms": 64199.857,
    "optimized_avg_ms": 4644.312,
    "improvement_percent": 92.77,
    "numeric_parity": "PASS",
    "numeric_checks": 96,
    "failed_checks": 0,
    "differences": [],
    "plan_available": false,
    "plan_error": "SQLSTATE[HY000]: General error: 24374 OCIStmtFetch: ORA-24374: define not done before fetch or execute and fetch\n (ext\\pdo_oci\\oci_statement.c:496)",
    "oracle_writes": "NONE",
    "generated_at": "2026-07-16T10:13:12+03:00"
}