{"id":6724,"date":"2024-03-14T18:36:05","date_gmt":"2024-03-14T09:36:05","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mysql%e3%81%aerow_number%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/"},"modified":"2025-08-03T10:40:13","modified_gmt":"2025-08-03T01:40:13","slug":"mysql%e3%81%aerow_number%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mysql%e3%81%aerow_number%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/","title":{"rendered":"MySQL Row_number()\u95a2\u6570\uff1a\u9806\u4f4d\u4ed8\u3051\u306e\u57fa\u672c\u3068\u5b9f\u8df5"},"content":{"rendered":"<p>MySQL\u306b\u306f\u3001ROW_NUMBER()\u95a2\u6570\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u5909\u6570\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u4f8b\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> \r\n    <span class=\"hljs-variable\">@row_number<\/span>:<span class=\"hljs-operator\">=<\/span><span class=\"hljs-variable\">@row_number<\/span><span class=\"hljs-operator\">+<\/span><span class=\"hljs-number\">1<\/span> <span class=\"hljs-keyword\">AS<\/span> row_number,\r\n    column1,\r\n    column2\r\n<span class=\"hljs-keyword\">FROM<\/span>\r\n    your_table\r\n<span class=\"hljs-keyword\">CROSS<\/span> <span class=\"hljs-keyword\">JOIN<\/span> (<span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-variable\">@row_number<\/span>:<span class=\"hljs-operator\">=<\/span><span class=\"hljs-number\">0<\/span>) <span class=\"hljs-keyword\">AS<\/span> t\r\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span> column1;\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u307e\u305aCROSS JOIN(SELECT @row_number:=0) AS t\u3092\u4f7f\u7528\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u5909\u6570@row_number\u3092\u521d\u671f\u5316\u3057\u3001SELECT\u6587\u3067\u4f7f\u7528\u3057\u3066\u884c\u756a\u53f7\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u307e\u3059\u3002@row_number\u3092\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3057\u3066\u884c\u756a\u53f7\u3092\u751f\u6210\u3057\u3001ROW_NUMBER()\u95a2\u6570\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u7279\u5b9a\u306e\u5217\u3067\u30bd\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u884c\u756a\u53f7\u304c\u6307\u5b9a\u3055\u308c\u305f\u9806\u5e8f\u3067\u751f\u6210\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u306b\u306f\u3001ROW_NUMBER()\u95a2\u6570\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u5909\u6570\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u4f8b\u3067\u3059\uff1a SELECT @row_number:=@row_number+1 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[117,2172,119,14,2182],"class_list":["post-6724","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-mysql","tag-row_number","tag-sql","tag-14","tag-2182"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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