{
  "db_name": "MySQL",
  "query": "SELECT id,dn FROM users ORDER BY id",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "id",
        "type_info": {
          "type": "VarString",
          "flags": "NOT_NULL | PRIMARY_KEY | NO_DEFAULT_VALUE",
          "char_set": 224,
          "max_size": 512
        }
      },
      {
        "ordinal": 1,
        "name": "dn",
        "type_info": {
          "type": "VarString",
          "flags": "",
          "char_set": 224,
          "max_size": 1024
        }
      }
    ],
    "parameters": {
      "Right": 0
    },
    "nullable": [
      false,
      true
    ]
  },
  "hash": "5d34251e2084507d7bc10c11df2f01e4e21c83d0fa03b917e5792b8753f32726"
}