{"id":2717,"date":"2016-11-28T02:51:06","date_gmt":"2016-11-27T17:51:06","guid":{"rendered":"http:\/\/taitan916.info\/blog\/?p=2717"},"modified":"2024-01-13T14:32:24","modified_gmt":"2024-01-13T05:32:24","slug":"post-2717","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/2717","title":{"rendered":"MySQL\u3067\u30ab\u30e9\u30e0\u5185\u5bb9\u306b\u3088\u3063\u3066\u6761\u4ef6\u5206\u5c90\u3055\u305b\u305f\u3044\u5834\u5408\u306e\u5bfe\u5fdc\u65b9\u6cd5"},"content":{"rendered":"<p>MySQL\u3067\u30ab\u30e9\u30e0\u306e\u5185\u5bb9\u306b\u3088\u3063\u3066\u6761\u4ef6\u3092\u5206\u5c90\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u307e\u305fPHP\u3067\u51e6\u7406\u3059\u308b\u306e\u3067\u306f\u306a\u304fMySQL\u6587\u3067\u5b8c\u7d50\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u8abf\u3079\u3066\u307f\u308b\u3068CASE\u6587\u3068\u3044\u3046\u306e\u304c\u4f7f\u3048\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u4f7f\u3044\u65b9\u3068\u691c\u8a3c\u306e\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u691c\u8a3c\u5185\u5bb9<\/h2>\n<p>\u697d\u5929\u3084amazon\u3067\u8cb7\u3044\u7269\u3092\u3057\u3001\u305d\u306e\u969b\u306b\u30dd\u30a4\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u3059\u308b\u3002\u3053\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u6027\u5225\u3084\u8cfc\u5165\u30b8\u30e3\u30f3\u30eb\u3001\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u4ee5\u4e0b\u306e\u901a\u308a\u5897\u52a0\u3059\u308b\u3002<\/p>\n<ul>\n<li>\u7537\u6027\u2192\u30dd\u30a4\u30f3\u30c81.1\u500d<\/li>\n<li>\u5973\u6027\u2192\u30dd\u30a4\u30f3\u30c81.2\u500d<\/li>\n<li>amazon\u3067drink\u3092\u8cfc\u5165\u21921.2\u500d<\/li>\n<li>amazon\u3067food\u3092\u8cfc\u5165\u21921.5\u500d<\/li>\n<li>\u697d\u5929\u3067drink\u3092\u8cfc\u5165\u21921.3\u500d<\/li>\n<li>\u697d\u5929\u3067food\u3092\u8cfc\u5165\u21921.6\u500d<\/li>\n<\/ul>\n<p>\u6700\u7d42\u7684\u306b\u6027\u5225\u6bce\u306e\u5408\u8a08\u30dd\u30a4\u30f3\u30c8\u3092\u7b97\u51fa\u3057\u305f\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210<\/h2>\n<p>\u4ee5\u4e0b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u305f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">+-------+--------------+------+-----+---------+----------------+\r\n| Field | Type         | Null | Key | Default | Extra          |\r\n+-------+--------------+------+-----+---------+----------------+\r\n| id    | int(11)      | NO   | PRI | NULL    | auto_increment |\r\n| point | int(11)      | NO   |     | 0       |                |\r\n| sex   | tinyint(4)   | NO   |     | 0       |                |\r\n| site  | varchar(128) | NO   |     | NULL    |                |\r\n| genre | varchar(128) | NO   |     | NULL    |                |\r\n| ymd   | datetime     | NO   |     | NULL    |                |\r\n+-------+--------------+------+-----+---------+----------------+<\/pre>\n<p>\u3056\u3063\u304f\u308a\u3068\u4ee5\u4e0b\u304c\u9805\u76ee\u5185\u5bb9\u306b\u306a\u308b\u3002<\/p>\n<ul>\n<li>id\u306f\u901a\u3057\u756a\u53f7<\/li>\n<li>point\u306f\u767a\u751f\u3057\u305f\u30dd\u30a4\u30f3\u30c8<\/li>\n<li>sex\u306f0\u304c\u7537\u6027\u30671\u304c\u5973\u6027<\/li>\n<li>site\u306f\u8cfc\u5165\u30b5\u30a4\u30c8<\/li>\n<li>genre\u306f\u8cfc\u5165\u30b8\u30e3\u30f3\u30eb<\/li>\n<li>ymd\u306f\u8cfc\u5165\u65e5<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u9069\u5f53\u306b\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308b\u3002\u4f5c\u6210\u5f8c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">+----+-------+-----+---------+-------+---------------------+\r\n| id | point | sex | site    | genre | ymd                 |\r\n+----+-------+-----+---------+-------+---------------------+\r\n|  1 |   100 |   0 | amazon  | food  | 2016-11-01 00:00:00 |\r\n|  2 |   200 |   0 | amazon  | food  | 2016-11-01 00:00:00 |\r\n|  3 |   300 |   0 | rakuten | food  | 2016-11-01 00:00:00 |\r\n|  4 |   120 |   0 | amazon  | drink | 2016-11-01 00:00:00 |\r\n|  5 |   220 |   0 | rakuten | drink | 2016-11-01 00:00:00 |\r\n|  6 |   220 |   1 | rakuten | drink | 2016-11-01 00:00:00 |\r\n|  7 |   120 |   1 | amazon  | drink | 2016-11-01 00:00:00 |\r\n|  8 |   300 |   1 | rakuten | food  | 2016-11-01 00:00:00 |\r\n|  9 |   200 |   1 | amazon  | food  | 2016-11-01 00:00:00 |\r\n| 10 |   100 |   1 | amazon  | food  | 2016-11-01 00:00:00 |\r\n+----+-------+-----+---------+-------+---------------------+<\/pre>\n<p>\u3053\u306e\u6642\u70b9\u3067\u306e\u5408\u8a08\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">SELECT sex, SUM(point) AS point \r\nFROM point_table \r\nGROUP BY sex;\r\n\r\n+-----+-------+\r\n| sex | point |\r\n+-----+-------+\r\n|   0 |   940 |\r\n|   1 |   940 |\r\n+-----+-------+<\/pre>\n<p>&nbsp;<\/p>\n<h2>CASE\u6587\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h2>\n<p>\u307e\u305a\u306f\u7537\u6027\u21921.1\u500d\u3001\u5973\u60271.2\u500d\u3092\u7b97\u51fa\u3057\u3066\u307f\u308b\u3002SQL\u6587\u3068\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">SELECT sex, SUM(\r\n    point * \r\n        (\r\n            CASE sex \r\n                WHEN 0 THEN 1.1 \r\n                WHEN 1 THEN 1.2\r\n            END\r\n        ) \r\n    ) AS point \r\nFROM point_table \r\nGROUP BY sex;\r\n\r\n+-----+--------+\r\n| sex | point  |\r\n+-----+--------+\r\n|   0 | 1034.0 |\r\n|   1 | 1128.0 |\r\n+-----+--------+<\/pre>\n<p>\u6700\u521d\u3088\u304f\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u3051\u3069CASE\u5f8c\u306e\u30ab\u30e9\u30e0\u304c\u25cb\u25cb\u3060\u3063\u305f\u5834\u5408\u00d7\u00d7\u306b\u7f6e\u304d\u63db\u3048\u308b\u307f\u305f\u3044\u306a\u5f62\u3063\u307d\u3044\u3002\u4e0a\u8a18\u3060\u3068sex\u30ab\u30e9\u30e0\u304c0\u3060\u3063\u305f\u5834\u54081.1\u306b\u7f6e\u304d\u63db\u3048\u3066\u3001\u305d\u306e\u524d\u306epoint\u3068\u639b\u3051\u7b97\u3059\u308b\u3068\u3044\u3046\u5f62\u3002<\/p>\n<p>\u3055\u3089\u306b\u30b5\u30a4\u30c8\u3068\u8cfc\u5165\u30b8\u30e3\u30f3\u30eb\u3067\u5206\u5c90\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u5165\u308c\u5b50\u306b\u3057\u3066\u4f7f\u3046\u3002\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">SELECT sex, SUM(\r\n    point * \r\n        (\r\n            CASE sex \r\n                WHEN 0 THEN 1.1 \r\n                WHEN 1 THEN 1.2\r\n            END\r\n        ) *\r\n        (\r\n            CASE site \r\n                WHEN 'amazon' THEN \r\n                    CASE genre \r\n                        WHEN 'drink' THEN 1.2 \r\n                        WHEN 'food' THEN 1.5 \r\n                    END \r\n                WHEN 'rakuten' THEN \r\n                    CASE genre \r\n                        WHEN 'drink' THEN 1.3 \r\n                        WHEN 'food' THEN 1.6 \r\n                    END \r\n            END\r\n        )\r\n    ) AS point \r\nFROM point_table \r\nGROUP BY sex;<\/pre>\n<p>CASE\u3067site\u304camazon\u3060\u3063\u305f\u5834\u5408\u3067\u5c1a\u4e14\u3064genre\u304cdrink\u3060\u3063\u305f\u5834\u5408\u306f1.2\u500d\u3001food\u3060\u3063\u305f\u5834\u5408\u306f1.5\u500d\u3068\u3044\u3046\u5f62\u306b\u306a\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<p><a href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.6\/ja\/case.html\" target=\"_blank\" rel=\"noopener\">https:\/\/dev.mysql.com\/doc\/refman\/5.6\/ja\/case.html<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\u305d\u306e\u4ed6<\/h2>\n<p>\u5206\u304b\u308a\u3065\u3089\u3044\u3051\u3069\u4f7f\u3044\u9053\u306f\u591a\u305d\u3046\u3002Where\u53e5\u3068\u304b\u306f\u666e\u901a\u306b\u8ffd\u52a0\u3057\u3066\u691c\u7d22\u3067\u304d\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u3067\u30ab\u30e9\u30e0\u306e\u5185\u5bb9\u306b\u3088\u3063\u3066\u6761\u4ef6\u3092\u5206\u5c90\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u307e\u305fPHP\u3067\u51e6\u7406\u3059\u308b\u306e\u3067 ... <\/p>\n","protected":false},"author":1,"featured_media":1072,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/2717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=2717"}],"version-history":[{"count":0,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/2717\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1072"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=2717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=2717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=2717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}