{"id":90926,"date":"2024-03-21T13:10:38","date_gmt":"2024-03-21T04:10:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8bin%e5%8f%a5%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-04T20:23:29","modified_gmt":"2024-04-04T11:23:29","slug":"mybatis%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8bin%e5%8f%a5%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8bin%e5%8f%a5%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"mybatis\u306b\u304a\u3051\u308bin\u53e5\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>MyBatis\u3067\u306f\u3001IN\u30af\u30a8\u30ea\u306f\u8907\u6570\u306e\u5024\u30921\u56de\u306e\u30af\u30a8\u30ea\u3067\u4e00\u81f4\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e00\u822c\u7684\u306a\u30af\u30a8\u30ea\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>IN\u53e5\u306f\u4e00\u822c\u7684\u306bWHERE\u53e5\u306e\u4e2d\u3067\u4f7f\u7528\u3055\u308c\u3001\u6307\u5b9a\u3057\u305f\u30ea\u30b9\u30c8\u306e\u5024\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u62bd\u51fa\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001user\u3068\u3044\u3046\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>user_id | user_name\r\n--------|----------\r\n1       | Alice\r\n2       | Bob\r\n3       | Charlie\r\n4       | David\r\n<\/code><\/pre>\n<p>\u30e6\u30fc\u30b6\u30fcID\u304c1\u307e\u305f\u306f3\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u7167\u4f1a\u3057\u305f\u3044\u5834\u5408\u306f\u3001IN\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT * FROM user WHERE user_id IN (1, 3);\r\n<\/code><\/pre>\n<p>MyBatis\u3067\u306f\u52d5\u7684SQL\u3092\u5229\u7528\u3057\u3066\u3001IN\u53e5\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u30ab\u30f3\u30de\u533a\u5207\u308a\u306e\u5024\u30ea\u30b9\u30c8\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u3092\u554f\u5408\u305b\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u57cb\u3081\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT * FROM user WHERE user_id IN\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">foreach<\/span> <span class=\"hljs-attr\">item<\/span>=<span class=\"hljs-string\">\"item\"<\/span> <span class=\"hljs-attr\">collection<\/span>=<span class=\"hljs-string\">\"ids\"<\/span> <span class=\"hljs-attr\">open<\/span>=<span class=\"hljs-string\">\"(\"<\/span> <span class=\"hljs-attr\">close<\/span>=<span class=\"hljs-string\">\")\"<\/span> <span class=\"hljs-attr\">separator<\/span>=<span class=\"hljs-string\">\",\"<\/span>&gt;<\/span>\r\n    #{item}\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">foreach<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>Java \u306e\u30b3\u30fc\u30c9\u3067\u3001\u5024\u306e\u30ea\u30b9\u30c8\u3092 MyBatis \u306e\u30af\u30a8\u30ea\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3059\u3053\u3068\u3067 IN \u7167\u4f1a\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>List&lt;Integer&gt; ids = Arrays.asList(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">3<\/span>);\r\nList&lt;User&gt; users = sqlSession.selectList(<span class=\"hljs-string\">\"getUserByIds\"<\/span>, ids);\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u306egetUserByIds\u306fMybatis\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8f09\u3055\u308c\u308b\u554f\u3044\u5408\u308f\u305b\u6587\u3067\u3042\u308a\u3001ids\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u7d4c\u7531\u3067\u554f\u3044\u5408\u308f\u305b\u306b\u4e0e\u3048\u3089\u308c\u308b\u5024\u306e\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/p>\n<p>MyBatis \u306e IN \u30af\u30a8\u30ea\u306f\u52d5\u7684 SQL \u3068 \u30bf\u30b0\u3092\u5229\u7528\u3057\u3066\u69cb\u7bc9\u30fb\u5b9f\u884c\u3055\u308c\u3001\u8907\u6570\u306e\u5024\u30921 \u3064\u306e\u30af\u30a8\u30ea\u3067\u52b9\u7387\u7684\u306b\u7167\u5408\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MyBatis\u3067\u306f\u3001IN\u30af\u30a8\u30ea\u306f\u8907\u6570\u306e\u5024\u30921\u56de\u306e\u30af\u30a8\u30ea\u3067\u4e00\u81f4\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e00\u822c\u7684\u306a\u30af\u30a8\u30ea\u65b9\u6cd5\u3067\u3059\u3002 IN\u53e5\u306f\u4e00\u822c\u7684\u306bWHERE\u53e5\u306e\u4e2d\u3067\u4f7f\u7528\u3055\u308c\u3001\u6307\u5b9a\u3057\u305f\u30ea\u30b9\u30c8\u306e\u5024\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u62bd\u51fa\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002  [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-90926","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>mybatis\u306b\u304a\u3051\u308bin\u53e5\u306e\u4f7f\u3044\u65b9 - 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\/mybatis\u306b\u304a\u3051\u308bin\u53e5\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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