{"version":"1.0","description":"Amazon Redshift \u3067 View \u306b\u5bfe\u3059\u308b\u30af\u30a8\u30ea\u306e\u30d5\u30a3\u30eb\u30bf\u6761\u4ef6\u306e push down \u306b\u3064\u3044\u3066\u691c\u8a3c\u3057\u3066\u307f\u305f - ablog \u3068\u95a2\u9023\u3057\u3066\u3001\u6642\u7cfb\u5217\u30c6\u30fc\u30d6\u30eb\u3092 UNION ALL \u3057\u305f View \u7d4c\u7531\u3067\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u7d50\u5408\u3057\u305f\u5834\u5408\u3068 View \u5185\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u76f4\u63a5\u7d50\u5408\u3057\u305f\u5834\u5408\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6bd4\u8f03\u3057\u3066\u307f\u305f\u3002 UNION ALL \u3057\u3066\u3044\u308b View \u7d4c\u7531\u3067\u7d50\u5408 \u5fc5\u8981\u306a\u30c6\u30fc\u30d6\u30eb\u306e\u307f\u8aad\u8fbc\u3093\u3067\u3044\u308b\uff08order1\u3001order2\uff09 HASH JOIN \u3067\u7d50\u5408\u3057\u3066\u3044\u308b \u30c6\u30fc\u30d6\u30eb\u3092\u76f4\u63a5\u7d50\u5408 HASH JOIN \u3067\u7d50\u5408\u3057\u3066\u3044\u308b workmem \u306e\u5408\u8a08\u306f View \u7d4c\u7531\u3067\u7d50\u5408\u3057\u305f\u307b\u3046\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u306a\u3044\u3002 \u691c\u2026","blog_url":"https://yohei-a.hatenablog.jp/","url":"https://yohei-a.hatenablog.jp/entry/20250723/1753198886","blog_title":"ablog","categories":["AWS","Redshift"],"provider_name":"Hatena Blog","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/y/yohei-a/20250723/20250723003848.png","published":"2025-07-23 00:41:26","provider_url":"https://hatena.blog","title":"\u6642\u7cfb\u5217\u30c6\u30fc\u30d6\u30eb\u3092 UNION ALL \u3057\u305f View \u3092\u7d50\u5408\u3059\u308b\u969b\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3 ","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20250723%2F1753198886\" title=\"\u6642\u7cfb\u5217\u30c6\u30fc\u30d6\u30eb\u3092 UNION ALL \u3057\u305f View \u3092\u7d50\u5408\u3059\u308b\u969b\u306e\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3  - ablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","author_url":"https://blog.hatena.ne.jp/yohei-a/","width":"100%","author_name":"yohei-a"}