AI清洗CSV后保存Parquet：空整数、布尔值和时区不变形

真实原生产物回读预览 · 原创合成材料 · 不代表第三方软件界面

{
  "schema": "id: string\nunits: int64\nactive: bool\nobserved_at: timestamp[us, tz=UTC]",
  "rows": [
    {
      "id": "A",
      "units": 2,
      "active": false,
      "observed_at": "2026-10-01 00:00:00+00:00"
    },
    {
      "id": "B",
      "units": null,
      "active": true,
      "observed_at": "2026-10-01 00:00:00+00:00"
    },
    {
      "id": "C",
      "units": 0,
      "active": null,
      "observed_at": null
    }
  ]
}