{
  "db_name": "PostgreSQL",
  "query": "SELECT * FROM bars_filled WHERE timestamp < $1 AND asset_symbol = $2 ORDER BY timestamp DESC LIMIT 1",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "timestamp",
        "type_info": "Timestamptz"
      },
      {
        "ordinal": 1,
        "name": "asset_symbol",
        "type_info": "Text"
      },
      {
        "ordinal": 2,
        "name": "open",
        "type_info": "Float8"
      },
      {
        "ordinal": 3,
        "name": "high",
        "type_info": "Float8"
      },
      {
        "ordinal": 4,
        "name": "low",
        "type_info": "Float8"
      },
      {
        "ordinal": 5,
        "name": "close",
        "type_info": "Float8"
      },
      {
        "ordinal": 6,
        "name": "volume",
        "type_info": "Float8"
      },
      {
        "ordinal": 7,
        "name": "num_trades",
        "type_info": "Int8"
      },
      {
        "ordinal": 8,
        "name": "volume_weighted",
        "type_info": "Float8"
      }
    ],
    "parameters": {
      "Left": [
        "Timestamptz",
        "Text"
      ]
    },
    "nullable": [
      false,
      false,
      false,
      false,
      false,
      false,
      false,
      false,
      false
    ]
  },
  "hash": "615dcbdc8f624ee990566b21f61b495fb273194a8278435cf4ed84028a55dbc0"
}