{
    "type": "record",
    "name": "row",
    "fields": [
        {"name": "a_bool", "type": "boolean"},
        {"name": "b_int", "type": "int"},
        {"name": "c_long", "type": "long"},
        {"name": "d_float", "type": "float"},
        {"name": "e_double", "type": "double"},
        {"name": "f_bytes", "type": "bytes"},
        {"name": "g_string", "type": "string"},
        {"name": "h_null", "type": "null"}
    ]
  }