{"blog_title":"\u534a\u7a7a\u6d1e\u7537\u5973\u95a2\u4fc2","width":"100%","image_url":null,"author_name":"mactkg","blog_url":"https://mactkg.hateblo.jp/","type":"rich","version":"1.0","published":"2017-06-13 19:40:33","description":"\u4eca\u65e5\u306f\u65b0\u4eba\u30d6\u30fc\u30c8\u30ad\u30e3\u30f3\u30d7\u7814\u4fee\u3067 id:beniyama \u5148\u751f\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u7814\u4fee\u3060\u3063\u305f\u306e\u3060\u3051\u308c\u3069\u3001Presto\u306a\u3069\u306e\u5206\u6563SQL\u30af\u30a8\u30ea\u30a8\u30f3\u30b8\u30f3\u306e\u8a71\u304c\u3042\u308a\u3001\u305d\u306e\u4e2d\u3067\u3069\u3046\u3084\u3063\u305f\u3089\u52b9\u7387\u826f\u3044\u30af\u30a8\u30ea\u66f8\u3051\u308b\u304b\u3068\u3044\u3046\u8a71\u304c\u9762\u767d\u304b\u3063\u305f\u306e\u3067\u3082\u3046\u5c11\u3057\u8abf\u3079\u3066\u3044\u305f\u3002 TD\u304b\u3089Presto Performance Tuning\u3068\u3044\u3046\u8a18\u4e8b\u304c\u51fa\u3066\u3044\u3066\u3001\u9762\u767d\u304b\u3063\u305f\u3057\u305f\u3081\u306b\u306a\u3063\u305f\u306e\u3067\u7c21\u5358\u306b\u8a33\u3057\u3066\u307f\u305f\u3002 tl;dr \u5fc5\u8981\u306a\u3082\u306e\u3060\u3051SELECT\u3059\u308b time\u306f\u6574\u6570\u3068\u306e\u6bd4\u8f03\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b TD_TIME_RANGE\u306eUDF\u3092\u6d3b\u7528\u3059\u308b GROUP BY\u3059\u308b\u3068\u304d\u306f\u6fc3\u5ea6\u304c\u5927\u304d\u3044\u65b9\u304b\u3089(\u7a2e\u985e\u304c\u591a\u3044\u65b9\u304b\u3089) ORDER BY\u3059\u308b\u3068\u304d\u306f\u306a\u308b\u3079\u304fLI\u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","title":"Presto Performance Tuning\u8aad\u3093\u3060","categories":["TreasureData","Presto"],"author_url":"https://blog.hatena.ne.jp/mactkg/","url":"https://mactkg.hateblo.jp/entry/2017/06/13/194033","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmactkg.hateblo.jp%2Fentry%2F2017%2F06%2F13%2F194033\" title=\"Presto Performance Tuning\u8aad\u3093\u3060 - \u534a\u7a7a\u6d1e\u7537\u5973\u95a2\u4fc2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}