{
  "db_name": "PostgreSQL",
  "query": "SELECT worker, worker_instance, vcpus, memory FROM worker_ping WHERE ping_at > NOW() - INTERVAL '2 minutes'",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "worker",
        "type_info": "Varchar"
      },
      {
        "ordinal": 1,
        "name": "worker_instance",
        "type_info": "Varchar"
      },
      {
        "ordinal": 2,
        "name": "vcpus",
        "type_info": "Int8"
      },
      {
        "ordinal": 3,
        "name": "memory",
        "type_info": "Int8"
      }
    ],
    "parameters": {
      "Left": []
    },
    "nullable": [
      false,
      false,
      true,
      true
    ]
  },
  "hash": "4887db074e9058bc0c1887428d6b2a897fe4b30c83f2aa5e9464c156f08f1c3a"
}
