{"version":"1.0","provider_name":"Hatena Blog","type":"rich","title":"Python PyArrow: \u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3001\u307e\u3060\u300c\u9045\u3044\u300d\u3068\u6211\u6162\u3057\u3066\u3044\u307e\u305b\u3093\u304b\uff1f","width":"100%","blog_url":"https://okpy.net/","height":"190","provider_url":"https://hatena.blog","author_name":"starful","blog_title":"okpy","published":"2026-02-24 09:00:00","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/starful/20260214/20260214114259.png","categories":["lib","python"],"url":"https://okpy.net/entry/2026/02/24/090000","author_url":"https://blog.hatena.ne.jp/starful/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fokpy.net%2Fentry%2F2026%2F02%2F24%2F090000\" title=\"Python PyArrow: \u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3001\u307e\u3060\u300c\u9045\u3044\u300d\u3068\u6211\u6162\u3057\u3066\u3044\u307e\u305b\u3093\u304b\uff1f - okpy\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Python PyArrow: \u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3001\u307e\u3060\u300c\u9045\u3044\u300d\u3068\u6211\u6162\u3057\u3066\u3044\u307e\u305b\u3093\u304b\uff1f \ud83d\udcdd TL;DR (3\u884c\u8981\u7d04) PyArrow\u306f\u3001\u30c7\u30fc\u30bf\u306e\u9ad8\u901f\u306a\u3084\u308a\u53d6\u308a\u3092\u53ef\u80fd\u306b\u3059\u308b\u300cApache Arrow\u300d\u306ePython\u5411\u3051\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u7279\u306b\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u66f8\u304d\u3092\u5287\u7684\u306b\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002 \u30e1\u30e2\u30ea\u52b9\u7387\u3092\u6700\u5927\u5316\u3059\u308b\u300c\u30ab\u30e9\u30e0\u30ca\uff08\u5217\u6307\u5411\uff09\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001Pandas\u306a\u3069\u306e\u4ed6\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\u306b\u304a\u3044\u3066\u30c7\u30fc\u30bf\u5909\u63db\u306e\u7121\u99c4\u3092\u6392\u9664\u3057\u307e\u3059\u3002 \u5927\u898f\u6a21\u306aCSV\u306e\u8aad\u307f\u8fbc\u307f\u3084Parquet\u30d5\u30a1\u30a4\u30eb\u306e\u64cd\u4f5c\u306b\u304a\u3044\u3066\u3001\u5f93\u6765\u306e\u6570\u500d\u304b\u3089\u6570\u5341\u500d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3059\u308b\u3001\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u5206\u6790\u306b\u5fc5\u9808\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002 1. \ud83e\udd14 \u4e00\u4f53PyA\u2026"}