{"id":835,"date":"2010-12-16T20:23:48","date_gmt":"2010-12-16T11:23:48","guid":{"rendered":"http:\/\/yamazon.org\/?p=835"},"modified":"2010-12-16T20:23:48","modified_gmt":"2010-12-16T11:23:48","slug":"sqlite-%e3%81%a7-limit-%e3%82%84-order-by-random","status":"publish","type":"post","link":"https:\/\/apr20.net\/?p=835","title":{"rendered":"SQLite \u3067 Limit \u3084 ORDER BY RANDOM()\u306a\u3069"},"content":{"rendered":"<h4>SQLite \u3067\u62bd\u51fa\u30c7\u30fc\u30bf\u3092\u4e26\u3073\u66ff\u3048<\/h4>\n<blockquote><p>SELECT \uff0a FROM \u30c6\u30fc\u30d6\u30eb\u540d ORDER BY \u30d5\u30a3\u30fc\u30eb\u30c9\uff11 DESC, \u30d5\u30a3\u30fc\u30eb\u30c9\uff12 DESC, \u30d5\u30a3\u30fc\u30eb\u30c9\uff13 ASC ;<\/p><\/blockquote>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u300c\u30c6\u30fc\u30d6\u30eb\u540d\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u5168\u3066\u306e\u30c7\u30fc\u30bf\u3092\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\uff11\u300d\u306e\u964d\u9806\u3067\u4e26\u3079\u3001\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\uff11\u300d\u304c\u540c\u5024\u306e\u5834\u5408\u3001\u6b21\u306e\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\uff12\u300d\u3092\u964d\u9806\u306b\u4e26\u3079\u3001\u3055\u3089\u306b\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\uff12\u300d\u3082\u540c\u5024\u306e\u5834\u5408\u3001\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\uff13\u300d\u3092\u57fa\u6e96\u306b\u6607\u9806\u306b\u4e26\u3073\u66ff\u3048\u307e\u3059\u3002<\/p>\n<p><span style=\"color: green;\"><strong><span style=\"color: #ff0000;\">ASC<\/span><\/strong><\/span> \u306f\u7d50\u679c\u304c\u6607\u9806\u306b\u4e26\u3073\u304b\u3048\u3001\u00a0<span style=\"color: green;\"><strong><span style=\"color: #ff0000;\">DESC<\/span><\/strong><\/span> \u306f\u305d\u308c\u304c\u964d\u9806\u306b\u4e26\u3076\u304b\u3048\u308b\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002\u305d\u306e\u3069\u3061\u3089\u3082\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u00a0<span style=\"color: green;\"><strong><span style=\"color: #ff0000;\">ASC<\/span><\/strong><\/span> \u3067\u4e26\u3073\u66ff\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h4>SQLite \u3067\u30e9\u30f3\u30c0\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3059\u308b<\/h4>\n<p>\u307e\u305a\u3001SQLite \u3067\u30e9\u30f3\u30c0\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5<\/p>\n<blockquote><p>SELECT * FROM entry ORDER BY RANDOM();<\/p><\/blockquote>\n<h4>SQLite \u3067\u884c\u6570\u6307\u5b9a(LIMIT)\u3067\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3059\u308b<\/h4>\n<p>SELECT\u6587\u3067\u306f\u3001WHERE\u53e5\u306a\u3069\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3067\u3082\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u5168\u3066\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u306e\u53d6\u5f97\u3059\u308b\u4ef6\u6570\u3092\u5236\u9650\u3057\u305f\u3044\u5834\u5408\u306b\u306fLIMIT\u53e5\u3092\u4f7f\u3044\u307e\u3059\u3002\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<blockquote><p>SELECT \u30ab\u30e9\u30e0\u540d, &#8230; FROM \u30c6\u30fc\u30d6\u30eb\u540d LIMIT \u884c\u6570;<\/p><\/blockquote>\n<p><!--more-->LIMIT\u53e5\u306e\u5f8c\u306b\u884c\u6570\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u884c\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6307\u5b9a\u3057\u305f\u884c\u6570\u304c\u53d6\u5f97\u3067\u304d\u308b\u30c7\u30fc\u30bf\u306e\u5168\u30c7\u30fc\u30bf\u306e\u884c\u6570\u3088\u308a\u3082\u591a\u3044\u5834\u5408\u306b\u306f\u3001\u5358\u306b\u5168\u3066\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>select \u30ab\u30e9\u30e0\u540d from \u30c6\u30fc\u30d6\u30eb\u540d \u00a0LIMIT 3;<\/p><\/blockquote>\n<p>\u4e0a\u8a18\u306eSELECT\u6587\u3067\u306f\u3001\u300c\u30c6\u30fc\u30d6\u30eb\u540d\u300d\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30013\u884c\u5206\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u958b\u59cb\u4f4d\u7f6e\u3092\u7279\u306b\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u5148\u982d\u306e\u30c7\u30fc\u30bf\u304b\u3089\u9806\u306bLIMIT\u53e5\u3067\u6307\u5b9a\u3057\u305f\u884c\u6570\u5206\u3060\u3051\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u62bd\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u306e\u4e2d\u3067\u3001\uff13\u3064\u76ee\u306e\u30c7\u30fc\u30bf\u304b\u3089\uff15\u3064\u3060\u3051\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u3044\u3068\u3044\u3063\u305f\u5834\u5408\u306a\u3069\u306f\u3001\u4e0a\u8a18\u306e\u8868\u8a18\u3067\u306f\u3001\u5bfe\u5fdc\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u53d6\u5f97\u306e\u958b\u59cb\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p><strong><span style=\"color: #ff0000;\">\u53d6\u5f97\u3092\u958b\u59cb\u3059\u308b\u4f4d\u7f6e\u3092\u6307\u5b9a<\/span><\/strong><\/p>\n<p>OFFSET\u53e5\u3092\u6307\u5b9a\u3059\u308b\u3068\u53d6\u5f97\u3092\u958b\u59cb\u3059\u308b\u884c\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<blockquote><p>SELECT \u30ab\u30e9\u30e0\u540d, &#8230; FROM \u30c6\u30fc\u30d6\u30eb\u540d LIMIT \u884c\u6570 OFFSET \u958b\u59cb\u4f4d\u7f6e;<\/p><\/blockquote>\n<p>OFFSET\u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u958b\u59cb\u4f4d\u7f6e\u306b\u6307\u5b9a\u3057\u305f\u6570\u5024\u306e\u884c\u6570\u5206\u306f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u305b\u305a\u3001\u305d\u306e\u6b21\u306e\u884c\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>select * from \u30c6\u30fc\u30d6\u30eb\u540d limit 5 offset 2;<\/p><\/blockquote>\n<p>\u4e0a\u8a18\u306eSELECT\u6587\u3067\u306f3\u884c\u76ee\u306e\u30c7\u30fc\u30bf\u304b\u30895\u884c\u5206\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001PHP\u306a\u3069\u3068\u540c\u69d8\u306b\u3001OFFSET\u53e5\u3092\u4f7f\u7528\u305b\u305a\u306bLIMIT\u53e5\u3060\u3051\u3067\u958b\u59cb\u4f4d\u7f6e\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3002<\/p>\n<blockquote><p>SELECT \u30ab\u30e9\u30e0\u540d, &#8230; FROM \u30c6\u30fc\u30d6\u30eb\u540d LIMIT \u958b\u59cb\u4f4d\u7f6e, \u884c\u6570;<\/p><\/blockquote>\n<p>LIMIT\u53e5\u306e\u5f8c\u306b\u300c\u958b\u59cb\u4f4d\u7f6e, \u884c\u6570\u300d\u306e\u5f62\u5f0f\u3067\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u958b\u59cb\u4f4d\u7f6e\u306e\u65b9\u3092\u5148\u306b\u6307\u5b9a\u3059\u308b\u70b9\u306b\u6ce8\u610f\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQLite \u3067\u62bd\u51fa\u30c7\u30fc\u30bf\u3092\u4e26\u3073\u66ff\u3048 SELECT \uff0a FROM \u30c6\u30fc\u30d6\u30eb\u540d O&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[148],"class_list":["post-835","post","type-post","status-publish","format-standard","hentry","category-old-blog","tag-sqlite"],"_links":{"self":[{"href":"https:\/\/apr20.net\/index.php?rest_route=\/wp\/v2\/posts\/835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apr20.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apr20.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apr20.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/apr20.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=835"}],"version-history":[{"count":0,"href":"https:\/\/apr20.net\/index.php?rest_route=\/wp\/v2\/posts\/835\/revisions"}],"wp:attachment":[{"href":"https:\/\/apr20.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apr20.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apr20.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}