[
  {
    "expression": "ts_rank(ts_backfill(volume, 5, 1), 15)",
    "time_consuming": 88.18,
    "status": "error",
    "timestamp": "2025-11-25 13:59:21",
    "message": "Invalid number of inputs : 2, should be exactly 1 input(s)"
  },
  {
    "expression": "ts_rank(ts_delta(ts_mean(close, 5), 10), 20)",
    "time_consuming": 11.3,
    "status": "error",
    "message": "The read operation timed out",
    "timestamp": "2025-11-25 14:08:17"
  }
]