{"id":5582,"date":"2020-01-11T00:03:25","date_gmt":"2020-01-10T15:03:25","guid":{"rendered":"https:\/\/blog.capilano-fw.com\/?p=5582"},"modified":"2020-02-27T01:18:24","modified_gmt":"2020-02-26T16:18:24","slug":"%e4%bf%9d%e5%ad%98%e7%89%88%ef%bc%81%e3%80%8csequelize%e3%80%8d%e3%83%a2%e3%83%87%e3%83%ab%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e5%ae%9f%e4%be%8b%e3%83%bb%e5%85%a853%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/blog.capilano-fw.com\/?p=5582","title":{"rendered":"\u4fdd\u5b58\u7248\uff01\u300csequelize\u300d\u30e2\u30c7\u30eb\u306e\u4f7f\u3044\u65b9\u5b9f\u4f8b\u30fb\u516859\u4ef6"},"content":{"rendered":"

\u3055\u3066\u3055\u3066\u3001\u524d\u56de\u306e\u8a18\u4e8b\u300cNode.js\u306bDB\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3001Seed\u3001\u30e2\u30c7\u30eb\u3092\u7528\u610f\u3059\u308b<\/a>\u300d\u3067\u306f\u3001\u300cSequelize<\/strong>\u300d\u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5468\u308a\u306e\u958b\u767a\u3092\u697d\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\u524d\u56de\u306f\u3001\u305d\u306e\u300cSequelize<\/strong>\u300d\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u30b3\u30de\u30f3\u30c9\u306e\u4f7f\u3044\u65b9\u3092\u30e1\u30a4\u30f3\u306b\u3057\u3066\u3054\u7d39\u4ecb\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u5b9f\u306f\u3072\u3068\u3064\u60c5\u5831\u304c\u591a\u3059\u304e\u3066\u307e\u3068\u3081\u3066\u3044\u306a\u3044\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u305d\u308c\u306f\u30fb\u30fb\u30fb<\/p>\n

\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\uff08\u53d6\u5f97\uff0f\u8ffd\u52a0\uff0f\u66f4\u65b0\uff0f\u524a\u9664\uff09\u3059\u308b\u65b9\u6cd5<\/strong><\/p>\n

\u3067\u3059\u3002<\/p>\n

\u305d\u3053\u3067\uff01<\/p>\n

\u4eca\u56de\u306f\u300cSequelize<\/strong>\u300d\u30e2\u30c7\u30eb\u306e\u4f7f\u3044\u65b9\u3092\u5b9f\u4f8b\u3067\u304a\u5c4a\u3051\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u305c\u3072\u7686\u3055\u3093\u306e\u304a\u5f79\u306b\u7acb\u3066\u308b\u3068\u5b09\u3057\u3044\u3067\u3059\ud83d\ude0a\u2728<\/p>\n

\"\"<\/p>\n

\u958b\u767a\u74b0\u5883\uff1a<\/strong> Node.js 8.10\u3001Express 4.1\u3001Sequelize 5.2<\/p>\n

\u524d\u63d0\u3068\u3057\u3066<\/h1>\n

\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u300csequelize<\/strong>\u300d\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u3066\u3001\u3055\u3089\u306b\u3001\u3059\u3067\u306b\u30e2\u30c7\u30eb\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3082\u3057\u307e\u3060\u6e96\u5099\u304c\u6574\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u524d\u56de\u8a18\u4e8b\u306e\u300c\u30e2\u30c7\u30eb\u3092\u4f7f\u3046\u300d<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h1>\n

findByPk()\uff1a ID\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u53d6\u5f97<\/h2>\n

\u4f8b\u3048\u3070\u3001ID\u756a\u53f7\u304c1<\/code>\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u306f\u3001findByPk()<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n

User.findByPk<\/strong>(1).then(user => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
findOne()\uff1a \u6761\u4ef6\u3092\u307f\u305f\u3059\u6700\u521d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>, 4<\/code>, 5<\/code>\u306e\u3046\u3061\u3067\u4e00\u756a\u6700\u521d\u306e\u30c7\u30fc\u30bf\uff08\u3064\u307e\u308a\u3001ID: 3<\/code>\uff09\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findOne<\/strong>({ where: { id: [3, 4, 5] } }).then(user => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
findAll()\uff1a \u6761\u4ef6\u3092\u307f\u305f\u3059\u5168\u3066\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>, 4<\/code>, 5<\/code>\u306b\u8a72\u5f53\u3059\u308b\u30c7\u30fc\u30bf\u3092\u5168\u3066\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll<\/strong>({ where: { id: [3, 4, 5] } }).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
findOrCreate()\uff1a \u6761\u4ef6\u3092\u307f\u305f\u3059\u30c7\u30fc\u30bf\u304c\u306a\u3051\u308c\u3070\u65b0\u898f\u4f5c\u6210<\/h2>\n
\u4f8b\u3048\u3070\u3001ID\u304c6<\/code>\u306e\u3082\u306e\u3092\u63a2\u3057\u3001\u3082\u3057\u306a\u3051\u308c\u3070\u30c7\u30fc\u30bf\u3092\u65b0\u898f\u767b\u9332\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findOrCreate<\/strong>({\r\n  where: { id: 6 },\r\n  defaults: { \/\/ \u65b0\u898f\u767b\u9332\u3059\u308b\u30c7\u30fc\u30bf\r\n    name: '\u516d\u90ce',\r\n    email: 'rokuro@example.com',\r\n    password: 'rokuro-password',\r\n    createdAt: new Date(),\r\n    updatedAt: new Date()\r\n  }<\/strong>\r\n}).then(([user, created]<\/strong>) => {\r\n\r\n  if(created) { \/\/ \u30c7\u30fc\u30bf\u304c\u65b0\u898f\u4f5c\u6210\u3055\u308c\u305f\u5834\u5408\r\n\r\n    \/\/\r\n\r\n  }\r\n\r\n});<\/pre>\n
\u203b \u3061\u306a\u307f\u306b\u3001then()<\/code>\u306e\u4e2d\u8eab\u304c[user, created]<\/code>\u3068\u914d\u5217\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
findAndCountAll()\uff1a \u30da\u30fc\u30b8\u51e6\u7406\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\uff11\u30da\u30fc\u30b8\u3054\u3068\u306b\uff11\uff10\u4ef6\u305a\u3064\u8868\u793a\u3057\u3066\u3044\u3066\u3001\uff12\u30da\u30fc\u30b8\u76ee\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
const page = 2;\r\nconst perPage = 10;\r\n\r\nUser.findAndCountAll({\r\n  offset: (page - 1) * perPage,\r\n  limit: perPage\r\n})<\/strong>.then(result => {\r\n\r\n  const count = result.count; \/\/ \u5168\u30c7\u30fc\u30bf\u306e\u4ef6\u6570\r\n  const rows = result.rows;   \/\/ \u6761\u4ef6\u3092\u307f\u305f\u3059\u30c7\u30fc\u30bf\r\n\r\n});<\/pre>\n
\u203b\u3061\u306a\u307f\u306bhasOne<\/code>\u3084hasMany<\/code>\u306a\u3069\u306e\u7d50\u5408\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001distinct<\/code>\u3092true<\/code>\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u9593\u9055\u3063\u305f\u4ef6\u6570\u304c\u8fd4\u3063\u3066\u304f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
const page = 2;\r\nconst perPage = 10;\r\n\r\nUser.findAndCountAll({\r\n  offset: (page - 1) * perPage,\r\n  limit: perPage,\r\n  include: [{ model: Post }],\r\n  distinct:true<\/strong>\r\n}).then(result => {\r\n\r\n  \/\/ \u7701\u7565\r\n\r\n});<\/pre>\n
\u203bMySQL<\/code>\u306a\u3069\u306e\u74b0\u5883\u306b\u3088\u3063\u3066\u3001distinct<\/code>\u3092true<\/code>\u306b\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001DISTINCT(*)<\/code>\u3068\u3044\u3046\u8868\u73fe\u304c\u4f7f\u3048\u306a\u3044\u305f\u3081\u3067\u3001\u305d\u306e\u5834\u5408\u306f\u3001include<\/code>\u306b\u7a7a\u767d\u306e\u914d\u5217\u3092\u30bb\u30c3\u30c8\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
findAndCountAll({\r\n  distinct: true,\r\n  include: []<\/strong>\r\n})<\/pre>\n
\u307e\u305f\u3001findAndCountAll()<\/code>\u306f\u5c11\u3057\u4e0d\u4fbf\u306b\u3082\u30da\u30fc\u30b8\u51e6\u7406\u3067\u91cd\u8981\u306a\u300c\u6700\u5f8c\u306e\u30da\u30fc\u30b8\u756a\u53f7<\/strong>\u300d\u3084\u300c\u73fe\u5728\u304c\u6700\u5f8c\u306e\u30da\u30fc\u30b8\u304b\u3069\u3046\u304b<\/strong>\u300d\u306a\u3069\u306e\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u8a08\u7b97\u3059\u308b\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\/\/ \u7701\u7565\r\n\r\n.then(data => {\r\n\r\n  data.lastPage = (data.count > 0) ? Math.ceil(data.count \/ perPage) : 1;\r\n  data.isLast = (page === data.lastPage);<\/strong>\r\n  res.send(data);\r\n\r\n});<\/pre>\n
count()\uff1a \u8a72\u5f53\u3059\u308b\u30c7\u30fc\u30bf\u306e\u4ef6\u6570\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u306e\u300c\u4ef6\u6570\u300d\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u3001count()<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
User.count({ where: { id: [2, 3, 4] } })<\/strong>.then(dataCount => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
max()\uff1a \u8a72\u5f53\u3059\u308b\u6700\u5927\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u306e\u6700\u5927\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306fmax()<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
User.max('id', { where: { id: [2, 3, 4] } })<\/strong>.then(maxId => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
min()\uff1a \u8a72\u5f53\u3059\u308b\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u306e\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306fmin()<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
User.min('id', { where: { id: [2, 3, 4] } })<\/strong>.then(minId => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
sum()\uff1a \u8a72\u5f53\u3059\u308b\u30c7\u30fc\u30bf\u306e\u5408\u8a08\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u30c6\u30b9\u30c8\u3067\u53d6\u5f97\u3057\u305f\u70b9\u6570\u306e\u5408\u8a08\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.sum('score', { where: { id: [2, 3, 4] } })<\/strong>.then(scoreTotal => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
\u30c7\u30fc\u30bf\u53d6\u5f97\u306e\u8a2d\u5b9a\u3092\u3059\u308b<\/h1>\n
where\uff1a\u00a0\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n
sequlize<\/code>\u306e\u6761\u4ef6\u6307\u5b9a\u306f\u3001\u5c02\u7528\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
const Sequelize = require('sequelize');\r\nconst Op = Sequelize.Op;<\/strong><\/pre>\n
\u3067\u306f\u3001\u3072\u3068\u3064\u305a\u3064\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u203b \u306a\u304a\u3001SQL\u6587\u3082\u4f8b\u3068\u3057\u3066\u8f09\u305b\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3089\u306f\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u30c6\u30fc\u30d6\u30eb\u540d\u306a\u3069\u3092\u7701\u3044\u305f\u7c21\u7565\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\uff08\u7279\u5b9a\u306e\u5024\u3092\u3082\u3064\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\uff09<\/h3>\n
\u4f8b\u3048\u3070ID:3<\/code>\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
User.findOne({\r\n  where: {\r\n    id: 1\r\n  }<\/strong>\r\n}).then(user => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u3082\u3061\u308d\u3093\u6570\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u6587\u5b57\u5217\u3082\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE id = 3<\/strong><\/pre>\n
\u307e\u305f\u3001\u540c\u3058\u3088\u3046\u306b\u3057\u3066NULL<\/code>\u3082\u554f\u984c\u306a\u304f\u4f7f\u3048\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408WHERE<\/code>\u53e5\u306fIS<\/code>\u3092\u4f7f\u3046\u5f62\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    deletedAt: null<\/strong>\r\n  }\r\n}).then(users => {})\r\n<\/pre>\n
WHERE deletedAt IS NULL<\/strong><\/pre>\n
AND\u6761\u4ef6<\/h3>\n
\u4f8b\u3048\u3070\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u300ctaro@example.com<\/strong>\u300d\u3067\u3001\u3057\u304b\u3082\u540d\u524d\u304c\u300c\u592a\u90ce<\/strong>\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findOne({\r\n  where: {\r\n    [Op.and]: {\r\n      email: 'taro@example.com',\r\n      name: '\u592a\u90ce'\r\n    }<\/strong>\r\n  }\r\n}).then(user => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE email = 'taro@example.com' AND<\/strong> name = '\u592a\u90ce'<\/pre>\n
OR\u6761\u4ef6<\/h3>\n
\u4f8b\u3048\u3070\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u300ctaro@example.com<\/strong>\u300d\u304b\u3001\u3082\u3057\u304f\u306f<\/strong>\u540d\u524d\u304c\u300c\u6b21\u90ce<\/strong>\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    [Op.or]: {\r\n      email: 'taro@example.com',\r\n      name: '\u6b21\u90ce'\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE email = 'taro@example.com' OR<\/strong> name = '\u592a\u90ce'<\/pre>\n
\u7279\u5b9a\u306e\u6570\u5024\u300c\u8d85\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300cid > 3<\/strong>\u300d\u306e\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08\u3064\u307e\u308a\u3001id:3<\/code>\u306f\u542b\u307e\u306a\u3044<\/strong>\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.gt]: 3\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b\u300cgt<\/strong>\u300d\u306f\u3001greater than<\/code> \u3068\u8a00\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u7279\u5b9a\u306e\u6570\u5024\u300c\u4ee5\u4e0a\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300cid >= 3<\/strong>\u300d\u306e\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08\u3064\u307e\u308a\u3001id:3<\/code>\u3092\u542b\u3080<\/strong>\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.gte]: 3\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
\u203b\u300cgte<\/strong>\u300d\u306fgreater than \/ equal<\/code> \u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u7279\u5b9a\u306e\u6570\u5024\u300c\u672a\u6e80\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300cid < 3<\/strong>\u300d\u306e\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08\u3064\u307e\u308a\u3001id:3<\/code>\u306f\u542b\u307e\u306a\u3044<\/strong>\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.lt]: 3\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b\u300clt<\/strong>\u300d\u306f\u3001less than<\/code> \u3068\u8a00\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u7279\u5b9a\u306e\u6570\u5024\u300c\u4ee5\u4e0b\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300cid <= 3<\/strong>\u300d\u306e\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08\u3064\u307e\u308a\u3001id:3<\/code>\u3092\u542b\u3080<\/strong>\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.lte]: 3\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
\u203b\u300clte<\/strong>\u300d\u306f\u3001less than \/ equal<\/code> \u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u7279\u5b9a\u306e\u5024\u300c\u4ee5\u5916\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001ID\u304c 3 \u4ee5\u5916<\/strong>\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.ne]: 3\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b\u300cne<\/strong>\u300d\u306fnot equal<\/code>\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE id != 3<\/strong><\/pre>\n
\u7279\u5b9a\u306e\u7bc4\u56f2\u5185\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>\u301c5<\/code>\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08ID:3<\/code> \u3068 ID:5<\/code>\u3092\u542b\u3080\u30c7\u30fc\u30bf\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.between]: [3, 5]\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u7279\u5b9a\u306e\u7bc4\u56f2\u300c\u4ee5\u5916\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>\u301c5<\/code>\u300c\u4ee5\u5916\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002\uff08ID:3 \u301c 5<\/code>\u306f\u3001\u542b\u307e\u306a\u3044<\/strong>\uff09<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.notBetween]: [3, 5]\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u6307\u5b9a\u3057\u305f\u8907\u6570\u306e\u5024\u3092\u3082\u3064\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>\u30685<\/code>\u306e\u3082\u306e\u3060\u3051<\/strong>\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.in]: [3, 5]\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE id IN (3, 5)<\/strong><\/pre>\n
\u6307\u5b9a\u3057\u305f\u8907\u6570\u306e\u5024\u3092\u300c\u3082\u305f\u306a\u3044\u300d\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001ID\u304c3<\/code>\u30685<\/code> \u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u3060\u3051<\/strong>\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    id: {\r\n      [Op.notIn]: [3, 5]\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE id NOT IN (3, 5)<\/strong><\/pre>\n
\u3042\u3044\u307e\u3044\u691c\u7d22\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u300c@example<\/strong>\u300d\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    email: {\r\n      [Op.like]: '%@example%'\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u307e\u305f\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u300ctaro@<\/strong>\u300d\u304b\u3089\u59cb\u307e\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u3053\u3061\u3089\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    email: {\r\n      [Op.like]: 'taro@%'\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u305d\u3057\u3066\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u300c@example.com<\/strong>\u300d\u3067\u7d42\u308f\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    email: {\r\n      [Op.like]: '%@example.com'\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3001\u305d\u308c\u305e\u308c\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE email LIKE '%@example%'\r\n<\/strong>\r\nWHERE email LIKE 'taro@%'\r\n<\/strong>\r\nWHERE email LIKE '%@example.com'\r\n<\/strong><\/pre>\n
\u3042\u3044\u307e\u3044\u691c\u7d22\u300c\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u300d\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u300c@example<\/strong>\u300d\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044<\/strong>\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    email: {\r\n      [Op.notLike]: '%@example%'\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE email NOT LIKE '%@example%'<\/strong><\/pre>\n
\u6307\u5b9a\u306e\u5024\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u5e74\u9f62\u304cnull<\/code>\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  where: {\r\n    age: {\r\n      [Op.not]: null\r\n    }<\/strong>\r\n  }\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
WHERE<\/code>\u53e5\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
WHERE age IS NOT NULL<\/strong><\/pre>\n
order\uff1a \u4e26\u3073\u9806\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n
\u5c0f \u2192 \u5927\u306e\u9806\u306b\u4e26\u3079\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u5e74\u9f62\u306e\u5c0f\u3055\u3044\u65b9\u304b\u3089\u4e26\u3079\u66ff\u3048\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  order: [\r\n    ['age', 'ASC']\r\n  ]<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
\u5927 \u2192 \u5c0f\u306e\u9806\u306b\u4e26\u3079\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u5e74\u9f62\u306e\u5927\u304d\u3044\u65b9\u304b\u3089\u4e26\u3079\u66ff\u3048\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  order: [\r\n    ['age', 'DESC']\r\n  ]<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u30e9\u30f3\u30c0\u30e0\u306a\u9806\u306b\u4e26\u3079\u308b<\/h3>\n
\u30e9\u30f3\u30c0\u30e0\u306a\u9806\u756a\u306b\u30c7\u30fc\u30bf\u3092\u4e26\u3079\u66ff\u3048\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
User.findAll({\r\n  order: sequelize.random()\r\n}<\/strong>).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b sequelize<\/code>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001Sequelize\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u7d50\u5408\u3057\u305f\u5148\u3067\u4e26\u3079\u66ff\u3048<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300c\u672c\u300d\u3068\u300c\u672c\u306e\u30ab\u30c6\u30b4\u30ea\u300d\u304c\u300chasOne\uff08\uff11\uff1a\uff11\uff09<\/strong>\u300d\u3067\u7d50\u5408\u3057\u3066\u3044\u3066\u3001\u300c\u30ab\u30c6\u30b4\u30ea\u540d\u300d\u3067\u4e26\u3079\u66ff\u3048\u3092\u884c\u3046\u5834\u5408\u3067\u3059\u3002<\/p>\n
const Book = require('.\/models').Book;\r\nconst BookCategory = require('.\/models').BookCategory;\r\n\r\nBook.findAll({\r\n  include: [\r\n    { model: BookCategory }\r\n  ],\r\n  order: [\r\n    [BookCategory, 'name', 'ASC']\r\n  ]<\/strong>\r\n}).then(books => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u6307\u5b9a\u3057\u305f\u5024\u306e\u9806\u3067\u4e26\u3079\u66ff\u3048<\/h3>\n
\u4f8b\u3048\u3070\u3001\u81ea\u5206\u3067\u6307\u5b9a\u3057\u305fID\u756a\u53f7\u306e\u9806\u306b\u4e26\u3079\u66ff\u3048\u3092\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002\u4eca\u56de\u306f\u3001<\/span>id<\/code>\u304c 5<\/code>, 1<\/code>, 3<\/code> \u306e\u9806\u3067\u4e26\u3079\u66ff\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/span><\/p>\n
User.findAll({\r\n  order: [[sequelize.fn('FIELD', sequelize.col('id'), 5, 1, 3), 'ASC']]<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u306a\u304a\u3001ASC<\/code>\u3092DESC<\/code>\u306b\u5909\u66f4\u3059\u308b\u3068\u9006\u9806\u306b\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u300c\u30b9\u30d7\u30ec\u30c3\u30c9\u69cb\u6587\u300d\u3092\u4f7f\u3046\u3068\u3001\u5909\u6570\u306bid<\/code>\u60c5\u5831\u304c\u5165\u3063\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u697d\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n
const ids = [5, 1, 3];\r\n\r\nUser.findAll({\r\n  order: [[sequelize.fn('FIELD', sequelize.col('id'), ...ids<\/strong>), 'ASC']]\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b sequelize<\/code>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001Sequelize\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u203b\u307e\u305f\u3001\u5229\u7528\u3059\u308bSQL\u306b\u3088\u3063\u3066\u306f\u4f7f\u3048\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\uff08MySQL\u306fOK\u3067\u3057\u305f\uff09<\/p>\n
\u81ea\u5206\u3067\u6307\u5b9a\u3059\u308b<\/h3>\n
\u300cSequelize<\/strong>\u300d\u306b\u983c\u3089\u305a\u3001\u81ea\u5206\u81ea\u4fe1\u3067ORDER<\/code>\u53e5\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
User.findAll({\r\n  order: sequelize.literal('age ASC')<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});\r\n<\/pre>\n
\u203b sequelize<\/code>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001Sequelize\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
group\uff1a \u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u672c\u300d\u3092\u300c\u30ab\u30c6\u30b4\u30eaID\u300d\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u30ab\u30c6\u30b4\u30ea\u3054\u3068\u306e\u4ef6\u6570\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
Book.findAll({\r\n  attributes: [\r\n    'category_id',\r\n    [sequelize.fn('COUNT', sequelize.col('category_id')), 'category_id_count']\r\n  ],\r\n  group: 'category_id'<\/strong>\r\n}).then(books => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u203b\u8907\u6570\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u5834\u5408\u306f\u3001\u914d\u5217\u3067\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u203b <\/span>sequelize<\/code>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001<\/span>Sequelize\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n
attributes\uff1a \u53d6\u5f97\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n
\u57fa\u672c\u7684\u306a\u6307\u5b9a\u65b9\u6cd5<\/h3>\n
\u4f8b\u3048\u3070\u3001Users<\/code>\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u300cname<\/strong>\u300d\u3068\u300cemail<\/strong>\u300d\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  attributes: ['name', 'email']<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
\u7279\u5b9a\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u9664\u5916\u3059\u308b<\/h3>\n
\u4f8b\u3048\u3070\u3001\u300ccreatedAt<\/strong>\u300d\u3068\u300cupdatedAt<\/strong>\u300d\u3060\u3051\u9664\u5916\u3057\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
User.findAll({\r\n  attributes: {\r\n    exclude: ['createdAt', 'updatedAt']\r\n  }<\/strong>\r\n}).then(users => {\r\n\r\n  \/\/\r\n\r\n});<\/pre>\n
COUNT()\u3067\u30ab\u30a6\u30f3\u30c8\u3059\u308b<\/h3>\n
\u3044\u308f\u3086\u308bCOUNT()<\/code>\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u3067\u3059\u3002
\n\u8a73\u3057\u304f\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
limit\uff1a \u53d6\u5f97\u3059\u308b\u4ef6\u6570\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n
\u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u4ef6\u6570\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u3067\u3059\u3002
\n\u8a73\u3057\u304f\u306f\u3001\u30da\u30fc\u30b8\u51e6\u7406\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
offset\uff1a \u53d6\u5f97\u3059\u308b\u958b\u59cb\u4f4d\u7f6e\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n
\u53d6\u5f97\u3059\u308b\u30c7\u30fc\u30bf\u306e\u958b\u59cb\u4f4d\u7f6e\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u3067\u3059\u3002
\n\u8a73\u3057\u304f\u306f\u3001\u30da\u30fc\u30b8\u51e6\u7406\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
Eager Loading\u3092\u8a2d\u5b9a\u3059\u308b<\/h1>\n
Eager Loading<\/code>\u3068\u306f\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068\u300c\uff12\u3064\u4ee5\u4e0a\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3057\u3066\u4e00\u6c17\u306b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/strong>\u300d\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u3072\u3068\u3064\u305a\u3064\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
hasOne<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u672c\u300d\u306e\u30c7\u30fc\u30bf\u306b\u300c\u672c\u306e\u30ab\u30c6\u30b4\u30ea\u300d\u304c\uff11\u3064\u3060\u3051\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3001\u3064\u307e\u308a\u300c\u672c\u300d\u3068\u300c\u672c\u306e\u30ab\u30c6\u30b4\u30ea\u300d\u304c\u300c\uff11\uff1a\uff11<\/strong>\u300d\u306e\u95a2\u4fc2\u3067\u7d50\u5408\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
\u307e\u305a\u3001\u300cmodels\/book.js<\/strong>\u300d\u3092\u958b\u3044\u3066Book<\/code>\u30e2\u30c7\u30eb\u306bhasOne<\/code>\u306e\u7d50\u5408\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
'use strict';\r\nmodule.exports = (sequelize, DataTypes) => {\r\n  const Book = sequelize.define('Book', {\r\n    name: DataTypes.STRING,\r\n    category_id: DataTypes.INTEGER\r\n  }, {});\r\n  Book.associate = function(models) {\r\n    Book.hasOne(models.BookCategory, {\r\n      sourceKey: 'category_id',\r\n      foreignKey: 'id'\r\n    });<\/strong>\r\n  };\r\n  return Book;\r\n};\r\n<\/pre>\n
\u305d\u3057\u3066\u3001include<\/code>\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
Book.findAll({\r\n  include: [\r\n    { model: BookCategory }\r\n  ]<\/strong>\r\n}).then(books => {\r\n\r\n  for(let book of books) {\r\n\r\n    console.log(book.BookCategory<\/strong>);\r\n\r\n  }\r\n\r\n});\r\n<\/pre>\n
hasMany<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u30e6\u30fc\u30b6\u30fc\u300d\u3068\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u6295\u7a3f\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\uff08\u8907\u6570\u306e\u53ef\u80fd\u6027\u3042\u308a\uff09\u300d\u3092\u7d50\u5408\u3057\u305f\u300c\uff11\uff1a\u591a<\/strong>\u300d\u306e\u95a2\u4fc2\u306b\u306a\u308b\u3088\u3046\u7d50\u5408\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
\u307e\u305a\u3001\u300cmodels\/user.js<\/strong>\u300d\u3092\u958b\u3044\u3066User<\/code>\u30e2\u30c7\u30eb\u306bhasMany<\/code>\u306e\u7d50\u5408\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
'use strict';\r\nmodule.exports = (sequelize, DataTypes) => {\r\n  const User = sequelize.define('User', {\r\n    name: DataTypes.STRING,\r\n    email: DataTypes.STRING,\r\n    password: DataTypes.STRING\r\n  }, {});\r\n  User.associate = function(models) {\r\n    User.hasMany(models.Post, {\r\n      foreignKey: 'user_id',\r\n      sourceKey: 'id'\r\n    });<\/strong>\r\n  };\r\n  return User;\r\n};<\/pre>\n
\u305d\u3057\u3066\u3001include<\/code>\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
User.findAll({\r\n  include: [\r\n    { model: Post }\r\n  ]<\/strong>\r\n}).then(users => {\r\n\r\n  for(let user of users) {\r\n\r\n    console.log(user.Posts<\/strong>);\r\n\r\n  }\r\n\r\n});<\/pre>\n
BelongsTo<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u30e6\u30fc\u30b6\u30fc\u8a73\u7d30\u300d\u3068\u300c\u30e6\u30fc\u30b6\u30fc\u300d\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u300c\uff11\uff1a\uff11<\/strong>\u300d\u306e\u95a2\u4fc2\u3067\u7d50\u5408\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
\u307e\u305a\u3001\u300cmodels\/userdetail.js<\/strong>\u300d\u3092\u958b\u3044\u3066UserDetail<\/code>\u30e2\u30c7\u30eb\u306bbelongsTo<\/code>\u306e\u7d50\u5408\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
'use strict';\r\nmodule.exports = (sequelize, DataTypes) => {\r\n  const UserDetail = sequelize.define('UserDetail', {\r\n    zip: DataTypes.STRING,\r\n    address: DataTypes.STRING\r\n  }, {});\r\n  UserDetail.associate = function(models) {\r\n    UserDetail.belongsTo(models.User, {\r\n      foreignKey: 'id',\r\n      sourceKey: 'user_id'\r\n    });<\/strong>\r\n  };\r\n  return UserDetail;\r\n};\r\n<\/pre>\n
\u305d\u3057\u3066\u3001include<\/code>\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
UserDetail.findAll({\r\n  include: [\r\n    { model: User }\r\n  ]<\/strong>\r\n}).then(userDetails => {\r\n\r\n    for(let detail of userDetails) {\r\n\r\n      console.log(detail.User);<\/strong>\r\n\r\n    }\r\n\r\n});\r\n<\/pre>\n
BelongsToMany<\/h2>\n
\u4f8b\u3048\u3070\u3001\u307e\u305a\u4ee5\u4e0b\uff12\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n