{"id":92057,"date":"2024-03-21T14:43:44","date_gmt":"2024-03-21T05:43:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T09:12:54","modified_gmt":"2024-04-05T00:12:54","slug":"laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/","title":{"rendered":"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5"},"content":{"rendered":"<p>Laravel\u3067\u306f\u3001`distinct()`\u304a\u3088\u3073`groupBy()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">$duplicates\u00a0=\u00a0DB::table('table_name')<\/pre>\n<p>-&gt;select(&#8216;column_name&#8217;,\u00a0DB::raw(&#8216;count(*)\u00a0as\u00a0count&#8217;))<\/p>\n<p>&nbsp;<\/p>\n<p>-&gt;groupBy(&#8216;column_name&#8217;)<\/p>\n<p>&nbsp;<\/p>\n<p>-&gt;having(&#8216;count&#8217;,\u00a0&#8216;&gt;&#8217;,\u00a01)<\/p>\n<p>&nbsp;<\/p>\n<p>-&gt;get();<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306b\u304a\u3044\u3066\u3001table_name \u306f\u691c\u7d22\u3057\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u540d\u3001column_name \u306f\u691c\u7d22\u3057\u305f\u3044\u30ab\u30e9\u30e0\u540d\u3067\u3059\u3002groupBy() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001column_name \u3054\u3068\u306b\u691c\u7d22\u7d50\u679c\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001having(&#8216;count&#8217;, &#8216;&gt;&#8217;, 1) \u6761\u4ef6\u3067\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u3066\u304a\u308a\u3001count \u304c 1 \u3088\u308a\u5927\u304d\u3044\u30c7\u30fc\u30bf\u306e\u307f\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001get() \u30e1\u30bd\u30c3\u30c9\u3067\u691c\u7d22\u7d50\u679c\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u691c\u7d22\u7d50\u679c\u306f\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u305f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u8fd4\u3055\u308c\u307e\u3059\u3002\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a4\u30c6\u30ec\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u500b\u3005\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laravel\u3067\u306f\u3001`distinct()`\u304a\u3088\u3073`groupBy()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 $duplicates\u00a0=\u00a0DB::table(&#8216;table_name&#8217;) -&#038; [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-92057","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Laravel\u3067\u306f\u3001`distinct()`\u304a\u3088\u3073`groupBy()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 $duplicates\u00a0=\u00a0DB::table(&#039;table_name&#039;) -&amp; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-21T05:43:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-05T00:12:54+00:00\" \/>\n<meta name=\"author\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/\",\"name\":\"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-21T05:43:44+00:00\",\"dateModified\":\"2024-04-05T00:12:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\",\"name\":\"\u7d50\u8863, \u6625\u82b1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"caption\":\"\u7d50\u8863, \u6625\u82b1\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5","og_description":"Laravel\u3067\u306f\u3001`distinct()`\u304a\u3088\u3073`groupBy()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u91cd\u8907\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 $duplicates\u00a0=\u00a0DB::table('table_name') -& [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-21T05:43:44+00:00","article_modified_time":"2024-04-05T00:12:54+00:00","author":"\u7d50\u8863, \u6625\u82b1","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7d50\u8863, \u6625\u82b1"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/","name":"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-21T05:43:44+00:00","dateModified":"2024-04-05T00:12:54+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"Laravel\u306e\u91cd\u8907\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac","name":"\u7d50\u8863, \u6625\u82b1","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","caption":"\u7d50\u8863, \u6625\u82b1"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/laravel%e3%81%ae%e9%87%8d%e8%a4%87%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/92057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=92057"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/92057\/revisions"}],"predecessor-version":[{"id":318353,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/92057\/revisions\/318353"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=92057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=92057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=92057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}