{"id":29832,"date":"2024-02-02T15:49:00","date_gmt":"2023-09-30T00:59:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8mongodb%e4%b8%ad%e8%ae%be%e7%bd%aettl%e3%80%82\/"},"modified":"2025-08-12T16:08:00","modified_gmt":"2025-08-12T08:08:00","slug":"%e5%9c%a8mongodb%e4%b8%ad%e8%ae%be%e7%bd%aettl%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8mongodb%e4%b8%ad%e8%ae%be%e7%bd%aettl%e3%80%82\/","title":{"rendered":"\u5728MongoDB\u4e2d\u8bbe\u7f6eTTL"},"content":{"rendered":"<h2>\u4e00\u5f00\u59cb<\/p>\n<p>MongoDB\u3067\u8ffd\u52a0\u3057\u305fRecord\u306bTTL\u3092\u8a2d\u5b9a\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001expireAfterSeconds\u306eOption\u3067Index\u3092\u4f5c\u3063\u3066\u3042\u3052\u308b\u3068\u826f\u3044\u306e\u3067\u3059\u304c\u3001node\u304b\u3089mongo\u3092\u64cd\u4f5c\u3059\u308b\u6642\u306b(\u4e00\u90e8\u30cf\u30de\u3063\u305f\u306e\u3068)\u305a\u3070\u308a\u53c2\u8003\u306b\u306a\u308bCode\u304c\u7121\u304b\u3063\u305f\u306e\u3067\u3001\u3054\u53c2\u8003\u307e\u3067\u306bCode\u3092\u30c1\u30e9\u30b7\u306e\u88cf\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\nnode\u304b\u3089MongoDB\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306f\u3001mongodb\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059(mongoose\u3067\u306f\u7121\u3044\u3067\u3059)<br \/>\nnode\u4e0a\u3067Schedule job\u3092\u52d5\u304b\u3059\u306e\u306bnode-schedule\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002npm install node-schedule &#8211;save-dev\u3068\u304b\u3067\u5165\u308c\u3066\u304a\u3044\u3066\u4e0b\u3055\u3044\n<\/ul>\n<h2>\u8282\u70b9\u793a\u4f8b\u4ee3\u7801<\/p>\n<p>Sample code\u306enode\u306e\u51e6\u7406\u5185\u5bb9\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u30021\u5206\u6bce\u306bmongo\u306b\u8ffd\u52a0\u3055\u308c\u308bRecord\u306eTTL\u306f90\u79d2\u306a\u306e\u3067\u30012\u5206\u5f8c\u306b\u306f\u6d88\u3048\u3066\u3044\u308b\u4e8b\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\nmongo\u306eRecord\u306b90\u79d2\u306eTTL\u3092\u6301\u3064\u69d8\u306b\u8a2d\u5b9a\u3059\u308b<br \/>\nnode\u306eschedule job\u3067\u3001mongo\u306b\u5bfe\u3057\u30661\u5206\u6bce\u306b\u65b0\u3057\u3044Record\u30921\u4ef6\u8ffd\u52a0\u3068\u904e\u53bb\u306e5\u4ef6\u306eRecord\u3092\u8868\u793a\u3092\u884c\u3046\n<\/ul>\n<p>\u88dc\u5145\u5167\u5bb9<\/p>\n<ul class=\"post-ul\">\ncoffeescript\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u3001javascript\u7248\u306fjavascript\/coffee converter\u3068\u304b\u3067\u5909\u63db\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n<p>dbName, collectionName, mongoURL\u306f\u304a\u4f7f\u3044\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u4e0b\u3055\u3044<\/p>\n<p>expireAfterSeconds: 90\u3067\u3001ttl_date\u306e\u65e5\u4ed8\u304b\u308990\u79d2\u7d4c\u3064\u3068\u3001record\u304c\u524a\u9664\u3055\u308c\u308b\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>schedule.scheduleJob(&#8216;*\/1 * * * *&#8217;,\u30671\u5206\u6bce\u306bjob\u3092\u8d70\u3089\u305b\u3066\u3044\u307e\u3059\u3001\u8868\u8a18\u65b9\u6cd5\u306fcron\u3068\u540c\u69d8\u3067\u3059\u3002<br \/>\njob\u306e\u5185\u5bb9\u306f\u3001 <\/p>\n<p>objectToRegister\u3068\u3044\u3046record\u30921\u5206\u6bce\u306bcollection\u306bincert\u3059\u308b<\/p>\n<p>query_date: -1\u3067sort\u3057\u305f\u6700\u65b05\u4ef6\u306erecord\u3092\u8868\u793a\u3059\u308b<\/p>\n<p>\u5fae\u5999\u306bcallback hell\u3057\u3066\u3044\u307e\u3059\u304c\u3001promise\u7b49\u3067\u9069\u5b9crefactor\u3057\u3066\u4e0b\u3055\u3044<br \/>\n\u4ee5\u4e0bfile\u3092js\u5909\u63db\u3057\u3066\u3001app.js\u7b49\u3067schedulejob = require(&#8216;.\/routes\/schedule&#8217;)\u3068\u8aad\u307f\u8fbc\u3093\u3067\u3042\u3052\u308b\u3068\u30011\u5206\u6bce\u306bjob\u304c\u8d70\u308a\u307e\u3059\n<\/ul>\n<pre class=\"post-pre\"><code><span class=\"nx\">express<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'express'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nx\">schedule<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'node-schedule'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nx\">mongodb<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'mongodb'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nx\">router<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">express<\/span><span class=\"p\">.<\/span><span class=\"na\">Router<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"nx\">dbName<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'DB_Name'<\/span>\r\n<span class=\"nx\">collectionName<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'Collection_Name'<\/span>\r\n\r\n<span class=\"nx\">mongoURL<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"na\">env<\/span><span class=\"p\">.<\/span><span class=\"na\">MONGO_HOST<\/span> <span class=\"o\">or<\/span> <span class=\"s\">'localhost:27017'<\/span>\r\n<span class=\"nx\">mongodb<\/span><span class=\"p\">.<\/span><span class=\"na\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"na\">connect<\/span> <span class=\"s\">'mongodb:\/\/'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">mongoURL<\/span> <span class=\"o\">+<\/span> <span class=\"s\">'\/'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">dbName<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">database<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n  <span class=\"nx\">collection<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">database<\/span><span class=\"p\">.<\/span><span class=\"na\">collection<\/span><span class=\"p\">(<\/span><span class=\"nx\">collectionName<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"nx\">collection<\/span><span class=\"p\">.<\/span><span class=\"na\">createIndex<\/span> <span class=\"p\">{<\/span> <span class=\"s\">'ttl_date'<\/span><span class=\"o\">:<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">},<\/span> <span class=\"p\">{<\/span> <span class=\"na\">expireAfterSeconds<\/span><span class=\"o\">:<\/span> <span class=\"mi\">90<\/span> <span class=\"p\">},<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">items<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"nx\">error<\/span>\r\n      <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">error<\/span>\r\n\r\n<span class=\"c1\">## execute job every 1 minutes<\/span>\r\n<span class=\"nx\">j<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">schedule<\/span><span class=\"p\">.<\/span><span class=\"na\">scheduleJob<\/span><span class=\"p\">(<\/span><span class=\"s\">'*\/1 * * * *'<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n  <span class=\"nx\">mongodb<\/span><span class=\"p\">.<\/span><span class=\"na\">MongoClient<\/span><span class=\"p\">.<\/span><span class=\"na\">connect<\/span> <span class=\"s\">'mongodb:\/\/'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">mongoURL<\/span> <span class=\"o\">+<\/span> <span class=\"s\">'\/'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">dbName<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">database<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"nx\">collection<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">database<\/span><span class=\"p\">.<\/span><span class=\"na\">collection<\/span><span class=\"p\">(<\/span><span class=\"nx\">collectionName<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"nx\">dateString<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">getDateString<\/span><span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">objectToRegister<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"s\">\"query_date\"<\/span><span class=\"o\">:<\/span> <span class=\"nx\">dateString<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"ttl_date\"<\/span><span class=\"o\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"query_key\"<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"hoge\"<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">dateString<\/span><span class=\"p\">}<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"s\">\"Incert object : \"<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"na\">stringify<\/span><span class=\"p\">(<\/span><span class=\"nx\">objectToRegister<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"nx\">collection<\/span><span class=\"p\">.<\/span><span class=\"na\">insert<\/span> <span class=\"nx\">objectToRegister<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">item<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"nx\">error<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">error<\/span>\r\n      <span class=\"k\">else<\/span>\r\n        <span class=\"nx\">collection<\/span><span class=\"p\">.<\/span><span class=\"na\">find<\/span><span class=\"p\">().<\/span><span class=\"na\">sort<\/span><span class=\"p\">(<\/span><span class=\"na\">query_date<\/span><span class=\"o\">:<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">).<\/span><span class=\"na\">limit<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">).<\/span><span class=\"na\">toArray<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">,<\/span> <span class=\"nx\">items<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n          <span class=\"k\">if<\/span> <span class=\"nx\">error<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">error<\/span>\r\n          <span class=\"k\">else<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"s\">\"=== Last 5 items ===\"<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"nx\">item<\/span> <span class=\"o\">in<\/span> <span class=\"nx\">items<\/span>\r\n              <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"na\">stringify<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"nx\">getDateString<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">dateInfo<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n  <span class=\"nx\">year<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">String<\/span><span class=\"p\">(<\/span><span class=\"nx\">dateInfo<\/span><span class=\"p\">.<\/span><span class=\"na\">getFullYear<\/span><span class=\"p\">())<\/span>\r\n  <span class=\"nx\">month<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">dateInfo<\/span><span class=\"p\">.<\/span><span class=\"na\">getMonth<\/span><span class=\"p\">()<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">month<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">month<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'0'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">month<\/span>\r\n  <span class=\"nx\">day<\/span> <span class=\"o\">=<\/span>  <span class=\"nx\">dateInfo<\/span><span class=\"p\">.<\/span><span class=\"na\">getDate<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">day<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">day<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'0'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">day<\/span>\r\n  <span class=\"nx\">hour<\/span> <span class=\"o\">=<\/span>  <span class=\"nx\">dateInfo<\/span><span class=\"p\">.<\/span><span class=\"na\">getHours<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">hour<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">hour<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'0'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">hour<\/span>\r\n  <span class=\"nx\">min<\/span> <span class=\"o\">=<\/span>  <span class=\"nx\">dateInfo<\/span><span class=\"p\">.<\/span><span class=\"na\">getMinutes<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">min<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">min<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'0'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">min<\/span>\r\n\r\n  <span class=\"k\">return<\/span> <span class=\"p\">[<\/span><span class=\"nx\">year<\/span><span class=\"p\">,<\/span> <span class=\"nx\">month<\/span><span class=\"p\">,<\/span> <span class=\"nx\">day<\/span><span class=\"p\">,<\/span> <span class=\"nx\">hour<\/span><span class=\"p\">,<\/span> <span class=\"nx\">min<\/span><span class=\"p\">].<\/span><span class=\"na\">join<\/span><span class=\"p\">(<\/span><span class=\"s\">'-'<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"na\">exports<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">router<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u5f00\u59cb MongoDB\u3067\u8ffd\u52a0\u3057\u305fRecord\u306bTTL\u3092\u8a2d\u5b9a\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001expireAfterSeconds [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29832","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>\u5728MongoDB\u4e2d\u8bbe\u7f6eTTL - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5728MongoDB\u4e2d\u8bbe\u7f6eTTL\u7684\u6280\u672f\u6587\u7ae0\" \/>\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\/zh\/blog\/\u5728mongodb\u4e2d\u8bbe\u7f6ettl\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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