{"id":2694,"date":"2025-03-24T08:46:47","date_gmt":"2025-03-23T23:46:47","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2694"},"modified":"2025-03-24T08:47:15","modified_gmt":"2025-03-23T23:47:15","slug":"laravel%e3%81%aeorwhere%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a8%e3%81%a4%e3%81%ae%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e4%bd%bf%e7%94%a8%e4%be%8b","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2694","title":{"rendered":"Laravel\u306eorWhere\u30e1\u30bd\u30c3\u30c9\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a8\u3064\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\u3068\u6ce8\u610f\u70b9"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3068\u52d5\u4f5c\u539f\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">where\u30e1\u30bd\u30c3\u30c9\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">\u5b9f\u8df5\u7684\u306aorWhere\u306e\u4f7f\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u57fa\u672c\u7684\u306a\u8907\u6570\u6761\u4ef6\u3067\u306e\u691c\u7d22\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u305f\u9ad8\u5ea6\u306a\u691c\u7d22\u6761\u4ef6\u306e\u8a2d\u5b9a<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u95a2\u9023\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3057\u305f\u691c\u7d22\u6761\u4ef6\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u52d5\u7684\u306a\u691c\u7d22\u6761\u4ef6\u306e\u7d44\u307f\u7acb\u3066\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u5b9f\u884c\u3055\u308c\u308bSQL\u30af\u30a8\u30ea\u306e\u89e3\u6790\u3068\u6539\u5584\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u96c6<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30e6\u30fc\u30b6\u30fc\u691c\u7d22\u6a5f\u80fd\u3067\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u5546\u54c1\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u3067\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-20\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u3088\u304f\u3042\u308b\u5b9f\u88c5\u30df\u30b9\u3068\u305d\u306e\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-25\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c6\u30b9\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-30\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u5fdc\u7528\u3068\u4ee3\u66ff\u624b\u6bb5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-31\">\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u691c\u7d22\u6761\u4ef6\u306e\u518d\u5229\u7528<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-34\">\u4ee3\u66ff\u3068\u306a\u308b\u30af\u30a8\u30ea\u30d3\u30eb\u30c0\u30e1\u30bd\u30c3\u30c9\u306e\u6bd4\u8f03<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3068\u52d5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>Laravel\u306eorWhere\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u306b\u300cOR\u300d\u6761\u4ef6\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\n$users = DB::table('users')\n            -&gt;where('status', 'active')\n            -&gt;orWhere('role', 'admin')\n            -&gt;get();\n\n\/\/ \u751f\u6210\u3055\u308c\u308bSQL\nSELECT * FROM users WHERE status = 'active' OR role = 'admin'<\/pre>\n\n\n\n<p>orWhere\u30e1\u30bd\u30c3\u30c9\u306f\u4ee5\u4e0b\u306e\u5f62\u5f0f\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5358\u7d14\u306a\u6761\u4ef6\u6307\u5b9a<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5358\u4e00\u306e\u30ab\u30e9\u30e0\u3068\u5024\u306e\u6bd4\u8f03\n-&gt;orWhere('column', 'value')\n\n\/\/ \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u6bd4\u8f03\n-&gt;orWhere('age', '&gt;=', 18)<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3057\u305f\u8907\u96d1\u306a\u6761\u4ef6<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$users = DB::table('users')\n    -&gt;where('status', 'active')\n    -&gt;orWhere(function($query) {\n        $query-&gt;where('role', 'admin')\n              -&gt;where('department', 'IT');\n    })\n    -&gt;get();\n\n\/\/ \u751f\u6210\u3055\u308c\u308bSQL\nSELECT * FROM users \nWHERE status = 'active' \nOR (role = 'admin' AND department = 'IT')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">where\u30e1\u30bd\u30c3\u30c9\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>where\u30e1\u30bd\u30c3\u30c9\u3068orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u4e3b\u306a\u9055\u3044\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6761\u4ef6\u306e\u7d50\u5408\u65b9\u6cd5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>where\u30e1\u30bd\u30c3\u30c9: AND\u6761\u4ef6\u3067\u7d50\u5408<\/li>\n\n\n\n<li>orWhere\u30e1\u30bd\u30c3\u30c9: OR\u6761\u4ef6\u3067\u7d50\u5408<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ where\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\uff08AND\u6761\u4ef6\uff09\n$users = DB::table('users')\n    -&gt;where('status', 'active')\n    -&gt;where('age', '&gt;=', 18)\n    -&gt;get();\n\/\/ WHERE status = 'active' AND age &gt;= 18\n\n\/\/ orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\uff08OR\u6761\u4ef6\uff09\n$users = DB::table('users')\n    -&gt;where('status', 'active')\n    -&gt;orWhere('age', '&gt;=', 18)\n    -&gt;get();\n\/\/ WHERE status = 'active' OR age &gt;= 18<\/pre>\n\n\n\n<p>\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6392\u4ed6\u7684\u306a\u6761\u4ef6\u306e\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e6\u30fc\u30b6\u30fc\u304c\u7ba1\u7406\u8005\u307e\u305f\u306f\u7279\u5225\u306a\u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\n$users = User::where('is_admin', true)\n    -&gt;orWhere('has_special_permissions', true)\n    -&gt;get();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u8907\u6570\u306e\u6761\u4ef6\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30e6\u30fc\u30b6\u30fc\u3067\u3001\u7ba1\u7406\u8005\u307e\u305f\u306f\u7279\u5225\u306a\u6a29\u9650\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\n$users = User::where('status', 'active')\n    -&gt;where(function($query) {\n        $query-&gt;where('is_admin', true)\n              -&gt;orWhere('has_special_permissions', true);\n    })\n    -&gt;get();<\/pre>\n\n\n\n<p>\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>orWhere\u306e\u4f7f\u7528\u306f\u3001\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u306f\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3057\u3066\u9069\u5207\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059<\/li>\n\n\n\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u52b9\u679c\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u88c5\u3059\u308b\u969b\u306e\u57fa\u672c\u539f\u5247\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30f3\u30d7\u30eb\u306a\u6761\u4ef6\u3067\u306f\u76f4\u63a5orWhere\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u3067\u306f\u30af\u30ed\u30fc\u30b8\u30e3\u3067\u30b0\u30eb\u30fc\u30d7\u5316<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u9069\u5207\u306b\u8a2d\u8a08<\/li>\n\n\n\n<li>\u53ef\u8aad\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u30af\u30a8\u30ea\u3092\u9069\u5207\u306b\u6574\u5f62<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u306e\u57fa\u790e\u77e5\u8b58\u3092\u8e0f\u307e\u3048\u305f\u4e0a\u3067\u3001\u5b9f\u969b\u306e\u5b9f\u88c5\u4f8b\u3084\u6700\u9069\u5316\u624b\u6cd5\u306b\u3064\u3044\u3066\u3001\u7d9a\u304f\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u5b9f\u8df5\u7684\u306aorWhere\u306e\u4f7f\u7528\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u57fa\u672c\u7684\u306a\u8907\u6570\u6761\u4ef6\u3067\u306e\u691c\u7d22\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u5b9f\u52d9\u3067\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u57fa\u672c\u7684\u306a\u691c\u7d22\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8907\u6570\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u306e\u691c\u7d22<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e6\u30fc\u30b6\u30fc\u540d\u307e\u305f\u306f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u691c\u7d22\u3059\u308b\u4f8b\npublic function searchUsers($keyword)\n{\n    return User::where('name', 'LIKE', \"%{$keyword}%\")\n        -&gt;orWhere('email', 'LIKE', \"%{$keyword}%\")\n        -&gt;get();\n}\n\n\/\/ \u691c\u7d22\u6761\u4ef6\u3092\u52d5\u7684\u306b\u8ffd\u52a0\u3059\u308b\u4f8b\npublic function advancedSearch($conditions)\n{\n    $query = User::query();\n\n    if (isset($conditions['keyword'])) {\n        $query-&gt;where(function($q) use ($conditions) {\n            $q-&gt;where('name', 'LIKE', \"%{$conditions['keyword']}%\")\n              -&gt;orWhere('email', 'LIKE', \"%{$conditions['keyword']}%\");\n        });\n    }\n\n    return $query-&gt;get();\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u305f\u9ad8\u5ea6\u306a\u691c\u7d22\u6761\u4ef6\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p>\u3088\u308a\u8907\u96d1\u306a\u691c\u7d22\u8981\u4ef6\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u6d3b\u7528\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6700\u8fd1\u306e\u6ce8\u6587\u304c\u3042\u308b\u9867\u5ba2\u307e\u305f\u306f\u512a\u826f\u9867\u5ba2\u3092\u691c\u7d22\n$customers = Customer::where(function($query) {\n    $query-&gt;whereHas('orders', function($q) {\n        $q-&gt;where('created_at', '&gt;=', now()-&gt;subMonths(3));\n    });\n})-&gt;orWhere('customer_rank', 'premium')\n  -&gt;get();\n\n\/\/ \u90e8\u7f72\u5225\u306e\u58f2\u4e0a\u76ee\u6a19\u3092\u9054\u6210\u3057\u3066\u3044\u308b\u793e\u54e1\u307e\u305f\u306f\u7279\u5225\u8868\u5f70\u3092\u53d7\u3051\u305f\u793e\u54e1\u3092\u691c\u7d22\n$employees = Employee::where(function($query) {\n    $query-&gt;whereHas('sales', function($q) {\n        $q-&gt;select(DB::raw('SUM(amount)'))\n          -&gt;where('sales_date', '&gt;=', now()-&gt;startOfYear())\n          -&gt;havingRaw('SUM(amount) &gt;= departments.target_amount');\n    })-&gt;join('departments', 'employees.department_id', '=', 'departments.id');\n})-&gt;orWhere('has_special_award', true)\n  -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u95a2\u9023\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3057\u305f\u691c\u7d22\u6761\u4ef6\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u969b\u306e\u52b9\u679c\u7684\u306a\u691c\u7d22\u6761\u4ef6\u306e\u5b9f\u88c5\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5546\u54c1\u30ab\u30c6\u30b4\u30ea\u307e\u305f\u306f\u30bf\u30b0\u3067\u691c\u7d22\n$products = Product::select('products.*')\n    -&gt;leftJoin('product_categories', 'products.category_id', '=', 'product_categories.id')\n    -&gt;leftJoin('product_tags', 'products.id', '=', 'product_tags.product_id')\n    -&gt;where(function($query) use ($searchTerm) {\n        $query-&gt;where('product_categories.name', 'LIKE', \"%{$searchTerm}%\")\n              -&gt;orWhere('product_tags.name', 'LIKE', \"%{$searchTerm}%\");\n    })\n    -&gt;distinct()\n    -&gt;get();\n\n\/\/ \u6ce8\u6587\u5c65\u6b74\u3068\u9867\u5ba2\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u691c\u7d22\n$orders = Order::select('orders.*')\n    -&gt;join('customers', 'orders.customer_id', '=', 'customers.id')\n    -&gt;where(function($query) {\n        $query-&gt;where('orders.total_amount', '&gt;=', 10000)\n              -&gt;orWhere('customers.status', 'VIP');\n    })\n    -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u52d5\u7684\u306a\u691c\u7d22\u6761\u4ef6\u306e\u7d44\u307f\u7acb\u3066\u65b9<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306b\u57fa\u3065\u3044\u3066\u52d5\u7684\u306b\u691c\u7d22\u6761\u4ef6\u3092\u69cb\u7bc9\u3059\u308b\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ProductSearchService\n{\n    public function search(array $params)\n    {\n        $query = Product::query();\n\n        \/\/ \u691c\u7d22\u6761\u4ef6\u3092\u52d5\u7684\u306b\u8ffd\u52a0\n        if (!empty($params)) {\n            $query-&gt;where(function($q) use ($params) {\n                foreach ($params as $field =&gt; $value) {\n                    switch ($field) {\n                        case 'keyword':\n                            $q-&gt;where('name', 'LIKE', \"%{$value}%\")\n                              -&gt;orWhere('description', 'LIKE', \"%{$value}%\");\n                            break;\n\n                        case 'price_range':\n                            $q-&gt;orWhereBetween('price', [$value['min'], $value['max']]);\n                            break;\n\n                        case 'categories':\n                            $q-&gt;orWhereIn('category_id', $value);\n                            break;\n                    }\n                }\n            });\n        }\n\n        return $query;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$searchParams = [\n    'keyword' =&gt; '\u30c7\u30b8\u30bf\u30eb',\n    'price_range' =&gt; ['min' =&gt; 1000, 'max' =&gt; 5000],\n    'categories' =&gt; [1, 2, 3]\n];\n\n$products = (new ProductSearchService())-&gt;search($searchParams)-&gt;get();<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u306e\u53ef\u8aad\u6027<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u306f\u9069\u5207\u306b\u95a2\u6570\u5316\u3059\u308b<\/li>\n\n\n\n<li>\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3057\u3066\u6761\u4ef6\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u306e\u307f\u3092\u9078\u629e\u3059\u308b<\/li>\n\n\n\n<li>JOIN\u306e\u4f7f\u7528\u306f\u5fc5\u8981\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b<\/li>\n\n\n\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u5024\u306f\u9069\u5207\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b<\/li>\n\n\n\n<li>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u3092\u5fd8\u308c\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u691c\u7d22\u30ed\u30b8\u30c3\u30af\u306f\u5c02\u7528\u306e\u30af\u30e9\u30b9\u306b\u5206\u96e2\u3059\u308b<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u304c\u66f8\u304d\u3084\u3059\u3044\u69cb\u9020\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u6761\u4ef6\u306e\u8ffd\u52a0\u30fb\u5909\u66f4\u304c\u5bb9\u6613\u306a\u8a2d\u8a08\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u906d\u9047\u3059\u308b\u4e00\u822c\u7684\u306a\u30b1\u30fc\u30b9\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u5b9f\u884c\u3055\u308c\u308bSQL\u30af\u30a8\u30ea\u306e\u89e3\u6790\u3068\u6539\u5584\u65b9\u6cd5<\/h3>\n\n\n\n<p>orWhere\u3092\u4f7f\u7528\u3057\u305f\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u5b9f\u969b\u306b\u5b9f\u884c\u3055\u308c\u308bSQL\u3092\u7406\u89e3\u3057\u3001\u305d\u306e\u5b9f\u884c\u8a08\u753b\u3092\u5206\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">\u30af\u30a8\u30ea\u306e\u89e3\u6790\u65b9\u6cd5<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u30ed\u30b0\u306e\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30af\u30a8\u30ea\u30ed\u30b0\u3092\u6709\u52b9\u5316\nDB::enableQueryLog();\n\n\/\/ \u30af\u30a8\u30ea\u306e\u5b9f\u884c\n$users = User::where('status', 'active')\n    -&gt;orWhere('role', 'admin')\n    -&gt;get();\n\n\/\/ \u5b9f\u884c\u3055\u308c\u305f\u30af\u30a8\u30ea\u306e\u78ba\u8a8d\ndd(DB::getQueryLog());<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u5b9f\u884c\u8a08\u753b\u306e\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5b9f\u884c\u8a08\u753b\u306e\u53d6\u5f97\n$explain = DB::select('EXPLAIN SELECT * FROM users WHERE status = ? OR role = ?', ['active', 'admin']);\n\n\/\/ \u3088\u308a\u8a73\u7d30\u306a\u5b9f\u884c\u8a08\u753b\uff08MySQL 5.7\u4ee5\u964d\uff09\n$explain = DB::select('EXPLAIN FORMAT=JSON SELECT * FROM users WHERE status = ? OR role = ?', ['active', 'admin']);<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u30dd\u30a4\u30f3\u30c8<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>OR\u6761\u4ef6\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6539\u5584\u524d\n$users = User::where('status', 'active')\n    -&gt;orWhere('role', 'admin')\n    -&gt;get();\n\n\/\/ \u6539\u5584\u5f8c\uff08UNION\u3092\u4f7f\u7528\uff09\n$activeUsers = User::where('status', 'active');\n$adminUsers = User::where('role', 'admin');\n\n$users = $activeUsers-&gt;union($adminUsers)-&gt;get();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6539\u5584\u524d\n$products = Product::where(function($query) {\n    $query-&gt;whereHas('orders', function($q) {\n        $q-&gt;where('created_at', '&gt;=', now()-&gt;subDays(30));\n    });\n})-&gt;orWhere('is_featured', true)\n  -&gt;get();\n\n\/\/ \u6539\u5584\u5f8c\uff08\u30b5\u30d6\u30af\u30a8\u30ea\u3092JOIN\u306b\u5909\u63db\uff09\n$products = Product::leftJoin('orders', 'products.id', '=', 'orders.product_id')\n    -&gt;where(function($query) {\n        $query-&gt;where('orders.created_at', '&gt;=', now()-&gt;subDays(30))\n              -&gt;orWhere('products.is_featured', true);\n    })\n    -&gt;select('products.*')\n    -&gt;distinct()\n    -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>orWhere\u4f7f\u7528\u6642\u306e\u52b9\u679c\u7684\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">\u57fa\u672c\u7684\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5358\u4e00\u30ab\u30e9\u30e0\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5b9a\u7fa9\nSchema::table('users', function (Blueprint $table) {\n    $table-&gt;index('status');\n    $table-&gt;index('role');\n});<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u983b\u7e41\u306b\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3055\u308c\u308b\u30ab\u30e9\u30e0\u306e\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\nSchema::table('products', function (Blueprint $table) {\n    $table-&gt;index(['category_id', 'status']);\n});<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-14\">\u9ad8\u5ea6\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ab\u30d0\u30ea\u30f3\u30b0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u3059\u3079\u3066\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u542b\u3081\u308b\nSchema::table('orders', function (Blueprint $table) {\n    $table-&gt;index(['status', 'created_at', 'total_amount']);\n});\n\n\/\/ \u30af\u30a8\u30ea\u3067\u30ab\u30d0\u30ea\u30f3\u30b0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6d3b\u7528\n$orders = Order::select('status', 'created_at', 'total_amount')\n    -&gt;where(function($query) {\n        $query-&gt;where('status', 'pending')\n              -&gt;orWhere('created_at', '&gt;=', now()-&gt;subDays(7));\n    })\n    -&gt;get();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u90e8\u5206\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08MySQL 8.0\u4ee5\u964d\uff09<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u7279\u5b9a\u306e\u6761\u4ef6\u306b\u5bfe\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\nDB::statement('CREATE INDEX idx_active_users ON users (email) WHERE status = \"active\"');<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u8a08\u753b\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30af\u30a8\u30ea\u30ed\u30b0\u8a2d\u5b9a\nif (config('app.debug')) {\n    DB::listen(function($query) {\n        Log::info(\n            $query-&gt;sql,\n            [\n                'bindings' =&gt; $query-&gt;bindings,\n                'time' =&gt; $query-&gt;time\n            ]\n        );\n    });\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u691c\u7d22\u7d50\u679c\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\n$users = Cache::remember('search_results', now()-&gt;addMinutes(30), function () use ($searchParams) {\n    return User::where(function($query) use ($searchParams) {\n        $query-&gt;where('status', $searchParams['status'])\n              -&gt;orWhere('role', $searchParams['role']);\n    })-&gt;get();\n});<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30c1\u30e3\u30f3\u30af\u51e6\u7406\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\nUser::where(function($query) {\n    $query-&gt;where('status', 'active')\n          -&gt;orWhere('role', 'admin');\n})-&gt;chunk(1000, function ($users) {\n    foreach ($users as $user) {\n        \/\/ \u51e6\u7406\n    }\n});<\/pre>\n\n\n\n<p>\u6700\u9069\u5316\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8003\u616e\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5f71\u97ff<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>orWhere\u4f7f\u7528\u6642\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u52b9\u304d\u306b\u304f\u3044<\/li>\n\n\n\n<li>\u53ef\u80fd\u306a\u9650\u308aUNION\u3092\u4f7f\u7528\u3057\u3066\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9806\u5e8f\u3092\u9069\u5207\u306b\u8a2d\u8a08<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u8a08\u753b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EXPLAIN\u3092\u4f7f\u7528\u3057\u3066\u5b9a\u671f\u7684\u306b\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u76e3\u8996<\/li>\n\n\n\n<li>\u5b9f\u884c\u6642\u9593\u306e\u9577\u3044\u30af\u30a8\u30ea\u3092\u7279\u5b9a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u91cf\u3068\u306e\u95a2\u4fc2<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u5834\u5408\u306f\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u5fc5\u9808<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30c1\u30e3\u30f3\u30af\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u6226\u7565\u306e\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001orWhere\u3092\u4f7f\u7528\u3057\u305f\u8907\u96d1\u306a\u691c\u7d22\u6761\u4ef6\u3067\u3082\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u96c6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30e6\u30fc\u30b6\u30fc\u691c\u7d22\u6a5f\u80fd\u3067\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u691c\u7d22\u6a5f\u80fd\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306a\u691c\u7d22\u30d5\u30a9\u30fc\u30e0\u5b9f\u88c5<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UserSearchService\n{\n    public function search(array $params)\n    {\n        $query = User::query();\n\n        if (!empty($params['search_term'])) {\n            $query-&gt;where(function($q) use ($params) {\n                $term = $params['search_term'];\n                $q-&gt;where('name', 'LIKE', \"%{$term}%\")\n                  -&gt;orWhere('email', 'LIKE', \"%{$term}%\")\n                  -&gt;orWhere('phone', 'LIKE', \"%{$term}%\");\n            });\n        }\n\n        \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u3067\u306e\u7d5e\u308a\u8fbc\u307f\n        if (!empty($params['status'])) {\n            $query-&gt;where('status', $params['status']);\n        }\n\n        \/\/ \u5f79\u5272\u3067\u306e\u7d5e\u308a\u8fbc\u307f\n        if (!empty($params['roles'])) {\n            $query-&gt;where(function($q) use ($params) {\n                foreach ($params['roles'] as $role) {\n                    $q-&gt;orWhere('role', $role);\n                }\n            });\n        }\n\n        return $query-&gt;paginate(20);\n    }\n}\n\n\/\/ \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u306e\u4f7f\u7528\u4f8b\nclass UserController extends Controller\n{\n    private $userSearchService;\n\n    public function __construct(UserSearchService $userSearchService)\n    {\n        $this-&gt;userSearchService = $userSearchService;\n    }\n\n    public function search(Request $request)\n    {\n        $params = $request-&gt;validate([\n            'search_term' =&gt; 'nullable|string|max:100',\n            'status' =&gt; 'nullable|in:active,inactive,pending',\n            'roles' =&gt; 'nullable|array',\n            'roles.*' =&gt; 'string|in:admin,user,manager'\n        ]);\n\n        $users = $this-&gt;userSearchService-&gt;search($params);\n\n        return view('users.index', compact('users'));\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u5546\u54c1\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>EC\u30b5\u30a4\u30c8\u306a\u3069\u3067\u4f7f\u7528\u3055\u308c\u308b\u5546\u54c1\u691c\u7d22\u30fb\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ProductFilter\n{\n    private $query;\n\n    public function __construct($query)\n    {\n        $this-&gt;query = $query;\n    }\n\n    public function apply(array $filters)\n    {\n        foreach ($filters as $filter =&gt; $value) {\n            if (method_exists($this, $filter)) {\n                $this-&gt;$filter($value);\n            }\n        }\n\n        return $this-&gt;query;\n    }\n\n    private function keyword($term)\n    {\n        return $this-&gt;query-&gt;where(function($q) use ($term) {\n            $q-&gt;where('name', 'LIKE', \"%{$term}%\")\n              -&gt;orWhere('description', 'LIKE', \"%{$term}%\")\n              -&gt;orWhereHas('categories', function($query) use ($term) {\n                  $query-&gt;where('name', 'LIKE', \"%{$term}%\");\n              });\n        });\n    }\n\n    private function price_range($range)\n    {\n        if (!empty($range['min'])) {\n            $this-&gt;query-&gt;where('price', '&gt;=', $range['min']);\n        }\n        if (!empty($range['max'])) {\n            $this-&gt;query-&gt;where('price', '&lt;=', $range['max']);\n        }\n        return $this-&gt;query;\n    }\n\n    private function categories($ids)\n    {\n        return $this-&gt;query-&gt;where(function($q) use ($ids) {\n            foreach ($ids as $id) {\n                $q-&gt;orWhere('category_id', $id);\n            }\n        });\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nclass ProductController extends Controller\n{\n    public function index(Request $request)\n    {\n        $query = Product::query();\n        $products = (new ProductFilter($query))\n            -&gt;apply($request-&gt;all())\n            -&gt;paginate(24);\n\n        return view('products.index', compact('products'));\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u3067\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u7ba1\u7406\u753b\u9762\u306a\u3069\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u96c6\u8a08\u30fb\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class SalesReportService\n{\n    public function generateReport(array $params)\n    {\n        $query = Order::query();\n\n        \/\/ \u65e5\u4ed8\u7bc4\u56f2\u3067\u306e\u7d5e\u308a\u8fbc\u307f\n        if (!empty($params['date_range'])) {\n            $query-&gt;whereBetween('created_at', [\n                $params['date_range']['start'],\n                $params['date_range']['end']\n            ]);\n        }\n\n        \/\/ \u58f2\u4e0a\u9ad8\u306b\u3088\u308b\u6761\u4ef6\n        if (!empty($params['revenue_condition'])) {\n            $query-&gt;where(function($q) use ($params) {\n                $target = $params['revenue_condition']['target'];\n                switch ($params['revenue_condition']['type']) {\n                    case 'above_target':\n                        $q-&gt;where('total_amount', '&gt;', $target)\n                          -&gt;orWhereHas('customer', function($sq) {\n                              $sq-&gt;where('tier', 'premium');\n                          });\n                        break;\n                    case 'below_target':\n                        $q-&gt;where('total_amount', '&lt;', $target)\n                          -&gt;orWhere('status', 'pending');\n                        break;\n                }\n            });\n        }\n\n        \/\/ \u30b0\u30eb\u30fc\u30d7\u5316\u3068\u96c6\u8a08\n        $results = $query-&gt;select(\n            DB::raw('DATE(created_at) as date'),\n            DB::raw('SUM(total_amount) as total_revenue'),\n            DB::raw('COUNT(*) as order_count')\n        )\n        -&gt;groupBy(DB::raw('DATE(created_at)'))\n        -&gt;orderBy('date')\n        -&gt;get();\n\n        return $this-&gt;formatReportData($results);\n    }\n\n    private function formatReportData($results)\n    {\n        \/\/ \u30ec\u30dd\u30fc\u30c8\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u51e6\u7406\n        return $results-&gt;map(function($row) {\n            return [\n                'date' =&gt; $row-&gt;date,\n                'revenue' =&gt; number_format($row-&gt;total_revenue, 2),\n                'orders' =&gt; $row-&gt;order_count,\n                'average_order_value' =&gt; $row-&gt;order_count &gt; 0 \n                    ? number_format($row-&gt;total_revenue \/ $row-&gt;order_count, 2)\n                    : 0\n            ];\n        });\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u69cb\u9020\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u691c\u7d22\u30ed\u30b8\u30c3\u30af\u306e\u5206\u96e2\uff08\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u306e\u6d3b\u7528\uff09<\/li>\n\n\n\n<li>\u30d5\u30a3\u30eb\u30bf\u30fc\u6761\u4ef6\u306e\u500b\u5225\u30e1\u30bd\u30c3\u30c9\u5316<\/li>\n\n\n\n<li>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a2d\u5b9a\u5024\u306e\u5b9a\u6570\u5316<\/li>\n\n\n\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b3\u30e1\u30f3\u30c8\u306e\u8ffd\u52a0<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306e\u4f5c\u6210<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u8ffd\u52a0<\/li>\n\n\n\n<li>\u30ed\u30b0\u51fa\u529b\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u306e\u7d4c\u9a13\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001\u69d8\u3005\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u3088\u304f\u3042\u308b\u5b9f\u88c5\u30df\u30b9\u3068\u305d\u306e\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">1. \u6761\u4ef6\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u30df\u30b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8aa4\u3063\u305f\u5b9f\u88c5\u4f8b\n$users = User::where('status', 'active')\n    -&gt;orWhere('role', 'admin')\n    -&gt;where('department', 'sales')\n    -&gt;get();\n\n\/\/ \u671f\u5f85\u3057\u305fSQL:\n\/\/ WHERE (status = 'active' OR role = 'admin') AND department = 'sales'\n\n\/\/ \u5b9f\u969b\u306eSQL:\n\/\/ WHERE status = 'active' OR role = 'admin' AND department = 'sales'\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\u4f8b\n$users = User::where(function($query) {\n    $query-&gt;where('status', 'active')\n          -&gt;orWhere('role', 'admin');\n})\n-&gt;where('department', 'sales')\n-&gt;get();<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-23\">2. \u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u30df\u30b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5371\u967a\u306a\u5b9f\u88c5\uff08SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u5371\u967a\u6027\uff09\n$keyword = request('keyword');\n$users = User::whereRaw(\"name LIKE '%$keyword%'\")\n    -&gt;orWhereRaw(\"email LIKE '%$keyword%'\")\n    -&gt;get();\n\n\/\/ \u5b89\u5168\u306a\u5b9f\u88c5\n$keyword = request('keyword');\n$users = User::where(function($query) use ($keyword) {\n    $query-&gt;where('name', 'LIKE', \"%{$keyword}%\")\n          -&gt;orWhere('email', 'LIKE', \"%{$keyword}%\");\n})-&gt;get();\n\n\/\/ \u3055\u3089\u306b\u5b89\u5168\u306a\u5b9f\u88c5\uff08\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30b5\u30cb\u30bf\u30a4\u30ba\uff09\n$keyword = strip_tags(request('keyword'));\n$users = User::where(function($query) use ($keyword) {\n    $query-&gt;where('name', 'LIKE', '%' . addcslashes($keyword, '%_') . '%')\n          -&gt;orWhere('email', 'LIKE', '%' . addcslashes($keyword, '%_') . '%');\n})-&gt;get();<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-24\">3. N+1\u554f\u984c\u306e\u767a\u751f<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u5b9f\u88c5\n$posts = Post::where('status', 'published')\n    -&gt;orWhere('author_id', $currentUserId)\n    -&gt;get();\n\nforeach ($posts as $post) {\n    echo $post-&gt;author-&gt;name; \/\/ N+1\u554f\u984c\u304c\u767a\u751f\n}\n\n\/\/ \u6539\u5584\u3055\u308c\u305f\u5b9f\u88c5\n$posts = Post::with('author')\n    -&gt;where('status', 'published')\n    -&gt;orWhere('author_id', $currentUserId)\n    -&gt;get();\n\n\/\/ \u3055\u3089\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u5b9f\u88c5\uff08\u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u306e\u307f\u53d6\u5f97\uff09\n$posts = Post::with(['author:id,name'])\n    -&gt;where('status', 'published')\n    -&gt;orWhere('author_id', $currentUserId)\n    -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c6\u30b9\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">1. \u30af\u30a8\u30ea\u30ed\u30b0\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30af\u30a8\u30ea\u30ed\u30b0\u8a2d\u5b9a\nclass QueryDebugProvider extends ServiceProvider\n{\n    public function boot()\n    {\n        if (config('app.debug')) {\n            DB::listen(function($query) {\n                $sqlWithBindings = vsprintf(str_replace('?', \"'%s'\", $query-&gt;sql), $query-&gt;bindings);\n                Log::channel('query')-&gt;info('SQL: ' . $sqlWithBindings, [\n                    'time' =&gt; $query-&gt;time . 'ms',\n                    'connection' =&gt; $query-&gt;connectionName\n                ]);\n            });\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic function searchUsers(Request $request)\n{\n    try {\n        DB::enableQueryLog();\n\n        $users = User::where(function($query) use ($request) {\n            $query-&gt;where('status', $request-&gt;status)\n                  -&gt;orWhere('role', $request-&gt;role);\n        })-&gt;get();\n\n        Log::info('Query Log:', DB::getQueryLog());\n\n        return $users;\n    } catch (\\Exception $e) {\n        Log::error('User search failed:', [\n            'error' =&gt; $e-&gt;getMessage(),\n            'queries' =&gt; DB::getQueryLog()\n        ]);\n        throw $e;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-27\">2. \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UserSearchTest extends TestCase\n{\n    use RefreshDatabase;\n\n    \/** @test *\/\n    public function it_can_search_users_with_or_conditions()\n    {\n        \/\/ \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u6e96\u5099\n        $activeUser = User::factory()-&gt;create(['status' =&gt; 'active']);\n        $adminUser = User::factory()-&gt;create([\n            'status' =&gt; 'inactive',\n            'role' =&gt; 'admin'\n        ]);\n        $regularUser = User::factory()-&gt;create([\n            'status' =&gt; 'inactive',\n            'role' =&gt; 'user'\n        ]);\n\n        \/\/ \u691c\u7d22\u306e\u5b9f\u884c\n        $result = User::where(function($query) {\n            $query-&gt;where('status', 'active')\n                  -&gt;orWhere('role', 'admin');\n        })-&gt;get();\n\n        \/\/ \u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\n        $this-&gt;assertCount(2, $result);\n        $this-&gt;assertTrue($result-&gt;contains($activeUser));\n        $this-&gt;assertTrue($result-&gt;contains($adminUser));\n        $this-&gt;assertFalse($result-&gt;contains($regularUser));\n    }\n\n    \/** @test *\/\n    public function it_properly_handles_empty_search_results()\n    {\n        \/\/ \u691c\u7d22\u306e\u5b9f\u884c\n        $result = User::where(function($query) {\n            $query-&gt;where('status', 'nonexistent')\n                  -&gt;orWhere('role', 'nonexistent');\n        })-&gt;get();\n\n        \/\/ \u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\n        $this-&gt;assertCount(0, $result);\n        $this-&gt;assertTrue($result-&gt;isEmpty());\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u306e\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u751f\u6210\u3055\u308c\u308bSQL\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u5b9f\u884c\u8a08\u753b\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u5b9f\u884c\u6642\u9593\u306e\u8a08\u6e2c<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/li>\n\n\n\n<li>N+1\u554f\u984c\u306e\u691c\u51fa<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u78ba\u8a8d<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u53ef\u80fd\u6027<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30b5\u30cb\u30bf\u30a4\u30ba<\/li>\n\n\n\n<li>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-29\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6bb5\u968e\u7684\u306a\u30c7\u30d0\u30c3\u30b0<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public function debugQuery($params)\n{\n    \/\/ Step 1: \u57fa\u672c\u30af\u30a8\u30ea\u306e\u78ba\u8a8d\n    $query = User::query();\n    Log::info('Base Query:', ['sql' =&gt; $query-&gt;toSql()]);\n\n    \/\/ Step 2: \u6761\u4ef6\u8ffd\u52a0\u5f8c\u306e\u78ba\u8a8d\n    $query-&gt;where(function($q) use ($params) {\n        $q-&gt;where('status', $params['status'])\n          -&gt;orWhere('role', $params['role']);\n    });\n    Log::info('With Conditions:', ['sql' =&gt; $query-&gt;toSql()]);\n\n    \/\/ Step 3: \u5b9f\u884c\u7d50\u679c\u306e\u78ba\u8a8d\n    $result = $query-&gt;get();\n    Log::info('Result Count:', ['count' =&gt; $result-&gt;count()]);\n\n    return $result;\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public function safeSearch($params)\n{\n    try {\n        return DB::transaction(function() use ($params) {\n            $query = User::where(function($q) use ($params) {\n                $q-&gt;where('status', $params['status'])\n                  -&gt;orWhere('role', $params['role']);\n            });\n\n            \/\/ \u7d50\u679c\u306e\u691c\u8a3c\n            $count = $query-&gt;count();\n            if ($count &gt; 1000) {\n                throw new \\RuntimeException('Too many results');\n            }\n\n            return $query-&gt;get();\n        });\n    } catch (\\Exception $e) {\n        Log::error('Search failed', [\n            'error' =&gt; $e-&gt;getMessage(),\n            'params' =&gt; $params\n        ]);\n        throw $e;\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u3068\u6ce8\u610f\u70b9\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5168\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044orWhere\u30af\u30a8\u30ea\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-30\">orWhere\u30e1\u30bd\u30c3\u30c9\u306e\u5fdc\u7528\u3068\u4ee3\u66ff\u624b\u6bb5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u691c\u7d22\u6761\u4ef6\u306e\u518d\u5229\u7528<\/h3>\n\n\n\n<p>\u8907\u96d1\u306a\u691c\u7d22\u6761\u4ef6\u3092\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-32\">\u30e2\u30c7\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Product extends Model\n{\n    \/\/ \u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\n    protected static function booted()\n    {\n        static::addGlobalScope('active', function ($query) {\n            $query-&gt;where('status', 'active');\n        });\n    }\n\n    \/\/ \u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7\n    public function scopeSearchByKeyword($query, $keyword)\n    {\n        return $query-&gt;where(function($q) use ($keyword) {\n            $q-&gt;where('name', 'LIKE', \"%{$keyword}%\")\n              -&gt;orWhere('description', 'LIKE', \"%{$keyword}%\");\n        });\n    }\n\n    public function scopePriceRange($query, $min = null, $max = null)\n    {\n        return $query-&gt;where(function($q) use ($min, $max) {\n            if ($min !== null) {\n                $q-&gt;where('price', '&gt;=', $min);\n            }\n            if ($max !== null) {\n                $q-&gt;orWhere('price', '&lt;=', $max);\n            }\n        });\n    }\n\n    public function scopePopular($query)\n    {\n        return $query-&gt;where(function($q) {\n            $q-&gt;where('average_rating', '&gt;=', 4.0)\n              -&gt;orWhere('total_sales', '&gt;=', 1000);\n        });\n    }\n}\n\n\/\/ \u30b9\u30b3\u30fc\u30d7\u306e\u4f7f\u7528\u4f8b\nclass ProductController extends Controller\n{\n    public function search(Request $request)\n    {\n        $products = Product::query()\n            -&gt;when($request-&gt;keyword, function($query, $keyword) {\n                return $query-&gt;searchByKeyword($keyword);\n            })\n            -&gt;when($request-&gt;filled(['min_price', 'max_price']), function($query) use ($request) {\n                return $query-&gt;priceRange($request-&gt;min_price, $request-&gt;max_price);\n            })\n            -&gt;when($request-&gt;show_popular, function($query) {\n                return $query-&gt;popular();\n            })\n            -&gt;paginate(20);\n\n        return view('products.index', compact('products'));\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-33\">\u30c8\u30ec\u30a4\u30c8\u3092\u4f7f\u7528\u3057\u305f\u6a5f\u80fd\u306e\u5171\u6709<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">trait Searchable\n{\n    public function scopeMultiMatch($query, array $fields, $value)\n    {\n        return $query-&gt;where(function($q) use ($fields, $value) {\n            foreach ($fields as $field) {\n                $q-&gt;orWhere($field, 'LIKE', \"%{$value}%\");\n            }\n        });\n    }\n\n    public function scopeOrWhereInMultiple($query, array $conditions)\n    {\n        return $query-&gt;where(function($q) use ($conditions) {\n            foreach ($conditions as $field =&gt; $values) {\n                $q-&gt;orWhereIn($field, $values);\n            }\n        });\n    }\n}\n\n\/\/ \u30c8\u30ec\u30a4\u30c8\u306e\u4f7f\u7528\u4f8b\nclass Product extends Model\n{\n    use Searchable;\n}\n\n\/\/ \u691c\u7d22\u306e\u5b9f\u88c5\n$products = Product::multiMatch(['name', 'description', 'sku'], $keyword)\n    -&gt;orWhereInMultiple([\n        'category_id' =&gt; $categories,\n        'brand_id' =&gt; $brands\n    ])\n    -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">\u4ee3\u66ff\u3068\u306a\u308b\u30af\u30a8\u30ea\u30d3\u30eb\u30c0\u30e1\u30bd\u30c3\u30c9\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-35\">1. UNION\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ orWhere\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\n$results = User::where('status', 'active')\n    -&gt;orWhere('role', 'admin')\n    -&gt;get();\n\n\/\/ UNION\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5\n$activeUsers = User::where('status', 'active');\n$adminUsers = User::where('role', 'admin');\n\n$results = $activeUsers-&gt;union($adminUsers)-&gt;get();\n\n\/\/ \u3088\u308a\u8907\u96d1\u306a\u6761\u4ef6\u306e\u5834\u5408\nclass UserRepository\n{\n    public function advancedSearch($params)\n    {\n        $queries = collect([]);\n\n        \/\/ \u30a2\u30af\u30c6\u30a3\u30d6\u30e6\u30fc\u30b6\u30fc\u306e\u30af\u30a8\u30ea\n        if ($params['include_active']) {\n            $queries-&gt;push(\n                User::where('status', 'active')\n                    -&gt;select('users.*')\n            );\n        }\n\n        \/\/ \u7ba1\u7406\u8005\u306e\u30af\u30a8\u30ea\n        if ($params['include_admins']) {\n            $queries-&gt;push(\n                User::where('role', 'admin')\n                    -&gt;select('users.*')\n            );\n        }\n\n        \/\/ VIP\u30e6\u30fc\u30b6\u30fc\u306e\u30af\u30a8\u30ea\n        if ($params['include_vip']) {\n            $queries-&gt;push(\n                User::whereHas('subscription', function($query) {\n                    $query-&gt;where('plan', 'vip');\n                })-&gt;select('users.*')\n            );\n        }\n\n        \/\/ UNION\u306e\u5b9f\u884c\n        return $queries-&gt;reduce(function($carry, $query) {\n            return $carry ? $carry-&gt;union($query) : $query;\n        })-&gt;get();\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">2. \u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ orWhere\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\n$products = Product::where('status', 'active')\n    -&gt;orWhere(function($query) {\n        $query-&gt;where('stock', '&gt;', 0)\n              -&gt;where('pre_order', true);\n    })-&gt;get();\n\n\/\/ \u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5\n$availableProductIds = Product::where('status', 'active')\n    -&gt;union(\n        Product::where('stock', '&gt;', 0)\n              -&gt;where('pre_order', true)\n    )\n    -&gt;select('id');\n\n$products = Product::whereIn('id', $availableProductIds)-&gt;get();<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-37\">3. JOIN \u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ orWhere\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\n$orders = Order::where('status', 'completed')\n    -&gt;orWhereHas('customer', function($query) {\n        $query-&gt;where('tier', 'premium');\n    })-&gt;get();\n\n\/\/ JOIN\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u66ff\u5b9f\u88c5\n$orders = Order::select('orders.*')\n    -&gt;leftJoin('customers', 'orders.customer_id', '=', 'customers.id')\n    -&gt;where(function($query) {\n        $query-&gt;where('orders.status', 'completed')\n              -&gt;orWhere('customers.tier', 'premium');\n    })-&gt;get();<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u65b9\u6cd5\u306e\u9078\u629e\u57fa\u6e96\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u4ef6<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u3044\u5834\u5408\u306fUNION\u3092\u691c\u8a0e<\/li>\n\n\n\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u52b9\u679c\u3092\u6700\u5927\u9650\u6d3b\u7528\u3067\u304d\u308b\u65b9\u6cd5\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u5b9f\u884c\u8a08\u753b\u3092\u78ba\u8a8d\u3057\u3066\u6700\u9069\u306a\u65b9\u6cd5\u3092\u6c7a\u5b9a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4fdd\u5b88\u6027\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027<\/li>\n\n\n\n<li>\u518d\u5229\u7528\u6027\u306e\u9ad8\u3055<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u306e\u5bb9\u6613\u3055<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u6765\u306e\u6a5f\u80fd\u8ffd\u52a0\u3078\u306e\u5bfe\u5fdc<\/li>\n\n\n\n<li>\u691c\u7d22\u6761\u4ef6\u306e\u62e1\u5f35\u6027<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u7dad\u6301<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4ee3\u66ff\u624b\u6bb5\u3092\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u5b9f\u88c5\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,12],"tags":[],"class_list":{"0":"post-2694","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-php-laravel","7":"category-php","8":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2694"}],"version-history":[{"count":2,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2694\/revisions"}],"predecessor-version":[{"id":2696,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2694\/revisions\/2696"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}