{
    "schema": "DDB_REVENUE_SQL_PLAN_PROFILE_V1",
    "hospital": "njch",
    "year": 2026,
    "compare_year": 2026,
    "months": "1-6",
    "iterations": 3,
    "legacy_range_ms": [
        66895.105,
        92513.928,
        19279.448
    ],
    "optimized_year_month_ms": [
        984.259,
        6134.291,
        1656.245
    ],
    "legacy_avg_ms": 59562.827,
    "optimized_avg_ms": 2924.932,
    "improvement_percent": 95.09,
    "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": "2026-07-16T11:02:45+03:00"
}