{
  "db_name": "PostgreSQL",
  "query": "SELECT count(*) \n                    FROM worker_ping \n                    WHERE worker_group LIKE $1 AND ping_at > now() - INTERVAL '2 minutes'",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "count",
        "type_info": "Int8"
      }
    ],
    "parameters": {
      "Left": [
        "Text"
      ]
    },
    "nullable": [
      null
    ]
  },
  "hash": "8dd1de2aca8c6c9ffaddd2c41c3a614a50fa5fd03c2d3b9a41bd85a7f156345e"
}
