{
  "passed": 454,
  "failed": 3,
  "unsupported": 82,
  "total": 539,
  "pct": 84.2301,
  "breakdown": {
    "should_fail mismatch (ClickHouse should reject but accepts)": 1,
    "Function timestamp is not implemented": 4,
    "Function stddev_over_time is not implemented": 6,
    "Function stdvar_over_time is not implemented": 6,
    "Function absent_over_time is not implemented": 6,
    "Function quantile_over_time is not implemented": 54,
    "Function predict_linear is not implemented": 6,
    "reference mismatch (Prometheus behaves differently than expected)": 2
  }
}