{"id":40537,"date":"2023-10-19T08:47:39","date_gmt":"2023-08-03T21:03:29","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8elasticsearch-rails%e5%9c%a8rails%e4%b8%ad%e8%bf%90%e8%a1%8celasticsearch%e3%80%90%e5%88%9d%e5%ad%a6%e8%80%85%e4%b8%93%e7%94%a8%e3%80%91\/"},"modified":"2024-05-04T04:59:03","modified_gmt":"2024-05-03T20:59:03","slug":"%e4%bd%bf%e7%94%a8elasticsearch-rails%e5%9c%a8rails%e4%b8%ad%e8%bf%90%e8%a1%8celasticsearch%e3%80%90%e5%88%9d%e5%ad%a6%e8%80%85%e4%b8%93%e7%94%a8%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8elasticsearch-rails%e5%9c%a8rails%e4%b8%ad%e8%bf%90%e8%a1%8celasticsearch%e3%80%90%e5%88%9d%e5%ad%a6%e8%80%85%e4%b8%93%e7%94%a8%e3%80%91\/","title":{"rendered":"\u4f7f\u7528elasticsearch-rails\u5728Rails\u4e2d\u8fd0\u884cElasticsearch\u3010\u521d\u5b66\u8005\u4e13\u7528\u3011"},"content":{"rendered":"<p>\u4f60\u597d\u3002\u6211\u662f@katsuhisa__\u3002<br \/>\n\u8fd9\u7bc7\u6587\u7ae0\u662f\u300cElastic stack\uff08Elasticsearch\uff09Advent Calendar 2017\u300d\u768412\/18\uff08\u5468\u4e00\uff09\u7684\u6587\u7ae0\u3002<\/p>\n<h3>\u5f15\u5bfc\u8bcd<\/h3>\n<p>\u5728\u7b2c21\u5c4aElasticsearch\u7814\u8ba8\u4f1a\u4e0a\uff0c\u6211\u53d1\u8868\u4e86\u6709\u5173\u5c06Elastic Stack\u4f5c\u4e3a\u65e5\u5fd7\u5206\u6790\u57fa\u7840\u8bbe\u65bd\u5f15\u5165\u7684\u6f14\u8bb2\u3002\u5728\u90a3\u4e2a\u65f6\u5019\uff0c\u6211\u5ba3\u5e03\u8bf4\uff1a\u201c\u4e0b\u4e00\u6b65\u6211\u4eec\u5c06\u4f7f\u7528Elasticsearch\u4f5c\u4e3a\u5168\u6587\u641c\u7d22\u5f15\u64ce\uff01\u201d<br \/>\n\u4e0d\u5e78\u7684\u662f\uff0c\u6211\u8fd8\u6ca1\u6709\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\u4f7f\u7528\u5b83\uff0c\u4f46\u662f\u4e0d\u4e45\u524d\u6211\u6839\u636e\u8fd9\u7bc7\u6587\u7ae0\u7684\u53c2\u8003\uff0c\u5728Rails\u4e2d\u5b9e\u73b0\u4e86\u4f7f\u7528Elasticsearch\u7684\u57fa\u672c\u6b65\u9aa4\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u91cd\u65b0\u6574\u7406\u4e86\u5728Rails\u4e2d\u8fd0\u884cElasticsearch\u6240\u9700\u7684\u6b65\u9aa4\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u627e\u5230\u6211\u5b9e\u65bd\u65f6\u7684\u4ee3\u7801\u3002<\/p>\n<h3>\u76ee\u6807\u8bfb\u8005<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">RDBMS \u4ee5\u5916\u3092\u4f7f\u7528\u3057\u305f\u691c\u7d22\u6a5f\u80fd\u306e\u5b9f\u88c5\u7d4c\u9a13\u304c\u4e00\u5ea6\u3082\u306a\u3044\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u81ea\u5206\u306b\u3082Elasticsearch \u3063\u3066\u4f7f\u3048\u308b\u3093\u3060\u308d\u3046\u304b\u30fb\u30fb\u30fb\u3068\u3001\u4e0d\u5b89\u306a\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5b9f\u88c5\u306e\u5168\u4f53\u89b3\u3060\u3051\u3092\u307e\u305a\u306f\u77e5\u308a\u305f\u3044\u65b9<\/ul>\n<p>\u5c3d\u7ba1\u5177\u5907\u5168\u6587\u641c\u7d22\u5f15\u64ce\u7684\u5b9e\u65bd\u7ecf\u9a8c\u8005\u9605\u8bfb\u6b64\u6587\u53ef\u80fd\u5f97\u5230\u7684\u6536\u83b7\u5e76\u4e0d\u591a\u3002<br \/>\n\u5f53\u6211\u6a21\u7cca\u5730\u601d\u8003\u4f7f\u7528\u5168\u6587\u641c\u7d22\u5f15\u64ce\u80fd\u591f\u5145\u5b9e\u641c\u7d22\u529f\u80fd\u7684\u597d\u5904\u65f6\uff0c\u6211\u4ece\u90a3\u4e9b\u8fc7\u4e8e\u5e73\u51e1\u4ee5\u81f3\u4e8e\u6ca1\u6709\u4eba\u6559\u6388\u7684\u5185\u5bb9\u5f00\u59cb\u8fdb\u884c\u62c6\u89e3\uff0c\u56e0\u6b64\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u8fd9\u53ef\u80fd\u662f\u4e00\u7bc7\u6709\u7528\u7684\u6587\u7ae0\u3002<\/p>\n<hr \/>\n<h3>\u7248\u672c<\/h3>\n<p>Rails 5.1.4<br \/>\n\u5f39\u6027\u641c\u7d22 5.6.3<\/p>\n<p>\u7531\u4e8eelasticsearch-rails \u7684 gem \u53ea\u652f\u6301\u52305\u7cfb\uff0c\u6240\u4ee5\u6211\u4f7f\u7528\u7684\u662f5\u7cfb\u800c\u4e0d\u662f6\u7cfb\u7684Elasticsearch\u3002\u7a0d\u7a0d\u540e\u6094\uff0c\u56e0\u4e3a\u6211\u5e94\u8be5\u5c1d\u8bd5\u4e00\u4e0b6\u7cfb\u7684\u7248\u672c\u3002\u53e6\u5916\uff0c\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u524d\u9762\u4ecb\u7ecd\u7684\u90a3\u7bc7\u6587\u7ae0\u662f2\u5e74\u524d\u7684\uff0c\u4f7f\u7528\u7684\u662fRails 4.2.3\u548cElasticsearch 1.7.2\u3002<\/p>\n<h1>\u4f7f\u7528\u5168\u6587\u68c0\u7d22\u5f15\u64ce\u7684\u601d\u8def<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u5168\u6587\u641c\u5c0b\u5f15\u64ce\u4e2d\uff0c\u5305\u542b\u4e86\u641c\u5c0b\u76ee\u6a19\u7684\u8cc7\u6599\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7576\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u9032\u884c\u641c\u5c0b\u6642\uff0c\u6703\u5411\u641c\u5c0b\u5f15\u64ce\u63d0\u51fa\u67e5\u8a62\uff0c\u4e26\u8fd4\u56de\u7d50\u679c\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u7576\u61c9\u7528\u7a0b\u5f0f\u4e2d\u7684\u641c\u5c0b\u76ee\u6a19\u8cc7\u6599\u88ab\u66f4\u65b0\u6642\uff0c\u9019\u4e9b\u66f4\u65b0\u4e5f\u6703\u6b63\u78ba\u53cd\u6620\u5230\u641c\u5c0b\u5f15\u64ce\u4e2d\u7684\u8cc7\u6599\u4e0a\u3002<\/ol>\n<p>\u6211\u8ba4\u4e3a\uff0c\u5bf9\u4e8e\u5b8c\u5168\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5728\u8111\u6d77\u4e2d\u5b58\u5728\u8fd9\u79cd\u601d\u7ef4\u5730\u56fe\u4f1a\u4f7f\u540e\u7eed\u7684\u7406\u89e3\u66f4\u52a0\u987a\u5229\u3002<\/p>\n<h1>\u5728Rails\u4e2d\u4f7f\u7528Elasticsearch\u8fd0\u884c\u3002<\/h1>\n<p>Well, let&#8217;s break down steps 1 to 3 that we mentioned earlier and explain them in detail. Of course, please keep in mind that &#8220;application = Rails application&#8221; and &#8220;full-text search engine = Elasticsearch.&#8221;<br \/>\nIn addition, this time, let&#8217;s consider the assumption of incorporating Elasticsearch into an existing Rails application.<\/p>\n<h2>1. \u641c\u7d22\u5f15\u64ce\u4e2d\u5305\u542b\u4e86\u8981\u641c\u7d22\u7684\u6570\u636e<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u51c6\u5907\u4e00\u4e2a\u7528\u6765\u5b58\u50a8\u641c\u7d22\u6570\u636e\u7684\u76d2\u5b50\u6765\u8fdb\u884c\u7ba1\u7406\u3002\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\uff0c\u8fd9\u4e2a\u76d2\u5b50\u88ab\u79f0\u4e3a\u6570\u636e\u5e93\uff0c\u5728Elasticsearch\u4e2d\u5219\u79f0\u4e3a\u7d22\u5f15\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5728Elasticsearch\u4e2d\u521b\u5efa\u4e00\u4e2a\u7d22\u5f15\u3002<\/p>\n<h3>\u51c6\u5907\u521b\u5efa Elasticsearch \u7d22\u5f15&#8230;<\/h3>\n<p>\u6b63\u5982\u4e4b\u524d\u63d0\u5230\u7684\uff0c\u5047\u8bbe\u73b0\u6709\u7684\u5e94\u7528\u7a0b\u5e8f\u5df2\u7ecf\u5b8c\u6210\uff0c\u90a3\u4e48\u4f60\u60f3\u8981\u5728 Elasticsearch \u4e2d\u5904\u7406 Rails \u7684 Model\uff0c\u5bf9\u5427\uff1f\u55ef\u55ef\u3002<\/p>\n<p>\u5173\u4e8e\u8fd9\u6837\u7684\u8981\u6c42\uff0cElastic\u516c\u53f8\u7684\u4eba\u4eec\u4e3a\u4e86\u5b9e\u73b0Rails\u5de5\u7a0b\u5e08\u4eec\u5e0c\u671b\u5b9e\u73b0\u7684\u529f\u80fd\uff0c\u4ed6\u4eec\u53d1\u5e03\u4e86\u4e00\u4e2agem\u3002<\/p>\n<p>\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u5199\u5165Gemfile\u6587\u4ef6\uff0c\u5e76\u6267\u884cbundle install\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>gem 'elasticsearch-model', git: 'git:\/\/github.com\/elasticsearch\/elasticsearch-rails.git'\r\ngem 'elasticsearch-rails', git: 'git:\/\/github.com\/elasticsearch\/elasticsearch-rails.git'\r\n<\/code><\/pre>\n<p>\u55ef\uff1f\u4f60\u5bf9\u4e8e\u4e24\u4e2a\u5b9d\u77f3\u611f\u5174\u8da3\u5417\uff1f\u5982\u679c\u662f\u7684\u8bdd\uff0c\u8bf7\u67e5\u9605 README \u4e2d\u7684\u4f7f\u7528\u8bf4\u660e\u3002\u8fd9\u6b21\u4e0d\u4f1a\u8fdb\u884c\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n<h3>\u521b\u5efa\u4e00\u4e2a Elasticsearch \u7d22\u5f15<\/h3>\n<p>\u8fd9\u6b21\u8ba9\u6211\u4eec\u7ed9Elasticsearch\u521b\u5efa\u4e00\u4e2a\u7d22\u5f15\u5427\u3002<\/p>\n<p>\u5728\u4f60\u60f3\u8981\u641c\u7d22\u7684\u6a21\u578b\u4e2d\uff0cinclude Elasticsearch::Model\u3002<br \/>\n\u203b\u6839\u636eelasticsearch-rails\u548celasticsearch-model\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6a21\u578b\u88ab\u79f0\u4e3aArticle\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u6253\u7b97\u7edf\u4e00\u4f7f\u7528Article\u4f5c\u4e3a\u7528\u4e8e\u8bf4\u660e\u7684\u793a\u4f8b\u4ee3\u7801\u4e2d\u7684\u6a21\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Article<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ActiveRecord<\/span><span class=\"o\">::<\/span><span class=\"no\">Base<\/span>\r\n  <span class=\"kp\">include<\/span> <span class=\"no\">Elasticsearch<\/span><span class=\"o\">::<\/span><span class=\"no\">Model<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u51c6\u5907\u597d\u901a\u8fc7\u6a21\u578b\u6765\u5904\u7406 Elasticsearch\u4e86\u3002\u56e0\u6b64\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7d22\u5f15\u5427\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u6765\u521b\u5efa\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"no\">Article<\/span><span class=\"p\">.<\/span><span class=\"nf\">__elasticsearch__<\/span><span class=\"p\">.<\/span><span class=\"nf\">create_index!<\/span> <span class=\"ss\">force: <\/span><span class=\"kp\">true<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u60f3\u8981\u4e86\u89e3\u8fd9\u4e9b\u884c\u4e3a\u7684\u66f4\u591a\u7ec6\u8282\uff0c\u8bf7\u67e5\u770belasticsearch-model\u7684README\uff0c\u91cc\u9762\u6709\u8be6\u7ec6\u7684\u89e3\u91ca\u3002<br \/>\nhttps:\/\/github.com\/elastic\/elasticsearch-rails\/tree\/master\/elasticsearch-model#index-configuration<\/p>\n<p>\u9806\u4fbf\u63d0\u4e00\u53e5\uff0c\u6b63\u5982\u7b14\u8bb0\u4e2d\u6240\u6307\u51fa\u7684\uff0c<\/p>\n<blockquote><p>\u5f53\u6587\u6863\u88ab\u7d22\u5f15\u65f6\uff0cElasticsearch\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u9ed8\u8ba4\u8bbe\u7f6e\u548c\u6620\u5c04\u7684\u7d22\u5f15\u3002<\/p><\/blockquote>\n<p>\u5982\u679c\u4f7f\u7528\u9ed8\u8ba4\u7684\u7d22\u5f15\u8bbe\u7f6e\u548c\u6620\u5c04\uff0c\u60a8\u53ef\u4ee5\u4e0d\u5fc5\u660e\u786e\u5730\u521b\u5efa\u7d22\u5f15\u3002<br \/>\n\u4f46\u8fd9\u6b21\u6211\u8ba4\u4e3a\u901a\u8fc7\u660e\u786e\u5730\u8bb2\u89e3\u521b\u5efa\u7d22\u5f15\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4fc3\u8fdb\u7406\u89e3\uff0c\u6240\u4ee5\u7279\u610f\u5199\u4e86\u51fa\u6765\u3002\uff08\u5982\u679c\u53cd\u800c\u5bfc\u81f4\u6df7\u6dc6\u7684\u8bdd\uff0c\u8bf7\u8c05\u89e3\u3002\uff09<\/p>\n<h3>\u5c06\u6587\u6863\u63d2\u5165\u5230Elasticsearch\u4e2d<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u6570\u636e\u5b58\u5165Elasticsearch\u7d22\u5f15\u4e2d\u3002\u8fd9\u91cc\u6240\u6307\u7684\u6570\u636e\uff0c\u5f53\u7136\u662f\u6211\u4eec\u60f3\u8981\u4f5c\u4e3a\u641c\u7d22\u5bf9\u8c61\u7684\u6570\u636e\uff0c\u800c\u5728Elasticsearch\u4e2d\uff0c\u6211\u4eec\u79f0\u5176\u4e3a\u6587\u6863\uff08\u76f8\u5f53\u4e8eRDB\u4e2d\u7684\u8bb0\u5f55\u6982\u5ff5\uff09\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u6587\u6863\u5bfc\u5165\u5230Elasticsearch\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>Article.import\r\n<\/code><\/pre>\n<p>\u8fd9\u5f88\u7b80\u5355\u6613\u61c2\u3002 \u81f3\u6b64\uff0c\u5df2\u5728 Elasticsearch \u7d22\u5f15\u4e2d\u6ce8\u518c\u4e86\u6587\u6863\u3002<\/p>\n<p>\uff08\u53c2\u8003\uff09https:\/\/github.com\/elastic\/elasticsearch-rails\/tree\/master\/elasticsearch-model#\u5bfc\u5165\u6570\u636e<\/p>\n<h2>\u5f53\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fdb\u884c\u641c\u7d22\u65f6\uff0c\u6211\u4eec\u5411\u641c\u7d22\u5f15\u64ce\u63d0\u4ea4\u67e5\u8be2\uff0c\u5e76\u83b7\u53d6\u7ed3\u679c\u7684\u8fd4\u56de\u3002<\/h2>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728Rails\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fdb\u884c\u641c\u7d22\u65f6\uff0c\u6211\u4eec\u9700\u53d1\u9001\u67e5\u8be2\u5230Elasticsearch\u3002<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u5728Rails\u4e2d\u5411Elasticsearch\u53d1\u9001\u67e5\u8be2\u8bf7\u6c42\u3002<\/p>\n<pre class=\"post-pre\"><code>response = Article.search 'fox dogs'\r\n<\/code><\/pre>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u4e3a\u4e86\u5728Rails\u4e2d\u5411Elasticsearch\u53d1\u51fa\u67e5\u8be2\u8bf7\u6c42\u7684\u5b9e\u73b0\uff0c\u53ea\u9700\u5c06\u5e94\u7528\u7a0b\u5e8f\u7aef\u7684\u641c\u7d22\u5b57\u7b26\u4e32\u76f4\u63a5\u653e\u5165\u67e5\u8be2\u53c2\u6570\u4e2d\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">index<\/span>\r\n    <span class=\"vi\">@articles<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Article<\/span><span class=\"p\">.<\/span><span class=\"nf\">search<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u5c31\u662f\u7ed3\u675f\u4e86\u3002\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u83b7\u53d6\u7684\u6570\u636e\u53ef\u4ee5\u8fd9\u6837\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code>response.took\r\n# =&gt; 3\r\n\r\nresponse.results.total\r\n# =&gt; 2\r\n\r\nresponse.results.first._score\r\n# =&gt; 0.02250402\r\n\r\nresponse.results.first._source.title\r\n# =&gt; \"Quick brown fox\"\r\n<\/code><\/pre>\n<h2>\u5f53\u5e94\u7528\u7a0b\u5e8f\u7684\u641c\u7d22\u5bf9\u8c61\u6570\u636e\u66f4\u65b0\u65f6\uff0c\u76f8\u5e94\u5730\u66f4\u65b0\u641c\u7d22\u5f15\u64ce\u5185\u7684\u6570\u636e\u3002<\/h2>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u5c06Elasticsearch\u4f5c\u4e3a\u641c\u7d22\u5f15\u64ce\u4f7f\u7528\u4e86\u3002\u4f46\u662f\uff0c\u8003\u8651\u5230\u5b9e\u9645\u670d\u52a1\u7684\u8fd0\u8425\uff0c\u5f53\u641c\u7d22\u5bf9\u8c61\u7684\u6570\u636e\u53d1\u751f\u66f4\u65b0\u65f6\uff0cElasticsearch\u4e2d\u7684\u6587\u6863\u4e5f\u5fc5\u987b\u76f8\u5e94\u5730\u66f4\u65b0\u3002<br \/>\n\u56e0\u6b64\uff0c\u6700\u540e\uff0c\u6211\u5c06\u4ecb\u7ecd\u4e00\u4e0b\u5982\u4f55\u4eceRails\u66f4\u65b0Elasticsearch\u7684\u6587\u6863\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u9996\u5148\u53ea\u9700\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u5373\u53ef\u66f4\u65b0 Elasticsearch \u6587\u6863\u3002<\/p>\n<pre class=\"post-pre\"><code>Article.first.__elasticsearch__.update_document\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3adelete_document\u7684\u51fd\u6570\uff0c\u6240\u4ee5\u4f60\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5220\u9664\u6587\u6863\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u5728\u8fdb\u884c\u8bb0\u5f55\u66f4\u65b0\u64cd\u4f5c\u7684\u524d\u540e\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\u5c31\u53ef\u4ee5\u4e86\u5417\uff1f\u5f53\u7136\uff0c\u5e76\u4e0d\u9700\u8981\u8fd9\u6837\u505a\u3002<br \/>\n\u5728 elasticsearch-model \u4e2d\uff0c\u53ea\u9700\u5728 Model \u4e2d\u5305\u542b Elasticsearch::Model::Callbacks \uff0c\u5728\u66f4\u65b0\u8bb0\u5f55\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u5411 Elasticsearch \u53d1\u9001\u66f4\u65b0\u6587\u6863\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Article<\/span>\r\n  <span class=\"kp\">include<\/span> <span class=\"no\">Elasticsearch<\/span><span class=\"o\">::<\/span><span class=\"no\">Model<\/span>\r\n  <span class=\"kp\">include<\/span> <span class=\"no\">Elasticsearch<\/span><span class=\"o\">::<\/span><span class=\"no\">Model<\/span><span class=\"o\">::<\/span><span class=\"no\">Callbacks<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<h3>\u4ee5\u975e\u540c\u6b65\u7684\u65b9\u5f0f\u66f4\u65b0\u6587\u4ef6<\/h3>\n<p>\u7136\u800c\uff0c\u4ec5\u4ec5\u5982\u6b64\u8fd8\u4e0d\u591f\u3002\u5982\u679c\u5728\u6570\u636e\u5e93\u4e8b\u52a1\u671f\u95f4\u9891\u7e41\u5730\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u80af\u5b9a\u4f1a\u60f9\u607c\u8fd0\u7ef4\u4eba\u5458\u3002<br \/>\n\u662f\u7684\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u5176\u5f02\u6b65\u5316\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6700\u540e\u6211\u4f1a\u4ecb\u7ecd\u4e00\u79cd\u5f02\u6b65\u5904\u7406\u7684\u65b9\u6cd5\u6765\u7ed3\u675f\u8fd9\u7bc7\u6587\u7ae0\u3002\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u7f16\u5199\u4ee5\u5b9e\u73b0\u5f02\u6b65\u5904\u7406\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 Sidekiq\u3002\uff08\u7531\u4e8e\u8fd9\u8d85\u51fa\u4e86\u521d\u5b66\u8005\u7684\u8303\u56f4\uff0c\u6211\u4f1a\u8df3\u8fc7\u89e3\u91ca\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Article<\/span>\r\n  <span class=\"kp\">include<\/span> <span class=\"no\">Elasticsearch<\/span><span class=\"o\">::<\/span><span class=\"no\">Model<\/span>\r\n\r\n  <span class=\"n\">after_save<\/span>    <span class=\"p\">{<\/span> <span class=\"no\">Indexer<\/span><span class=\"p\">.<\/span><span class=\"nf\">perform_async<\/span><span class=\"p\">(<\/span><span class=\"ss\">:index<\/span><span class=\"p\">,<\/span>  <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nf\">id<\/span><span class=\"p\">)<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"n\">after_destroy<\/span> <span class=\"p\">{<\/span> <span class=\"no\">Indexer<\/span><span class=\"p\">.<\/span><span class=\"nf\">perform_async<\/span><span class=\"p\">(<\/span><span class=\"ss\">:delete<\/span><span class=\"p\">,<\/span> <span class=\"nb\">self<\/span><span class=\"p\">.<\/span><span class=\"nf\">id<\/span><span class=\"p\">)<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Indexer<\/span>\r\n  <span class=\"kp\">include<\/span> <span class=\"no\">Sidekiq<\/span><span class=\"o\">::<\/span><span class=\"no\">Worker<\/span>\r\n  <span class=\"n\">sidekiq_options<\/span> <span class=\"ss\">queue: <\/span><span class=\"s1\">'elasticsearch'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">retry: <\/span><span class=\"kp\">false<\/span>\r\n\r\n  <span class=\"no\">Logger<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Sidekiq<\/span><span class=\"p\">.<\/span><span class=\"nf\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">level<\/span> <span class=\"o\">==<\/span> <span class=\"no\">Logger<\/span><span class=\"o\">::<\/span><span class=\"no\">DEBUG<\/span> <span class=\"p\">?<\/span> <span class=\"no\">Sidekiq<\/span><span class=\"p\">.<\/span><span class=\"nf\">logger<\/span> <span class=\"p\">:<\/span> <span class=\"kp\">nil<\/span>\r\n  <span class=\"no\">Client<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Elasticsearch<\/span><span class=\"o\">::<\/span><span class=\"no\">Client<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span> <span class=\"ss\">host: <\/span><span class=\"s1\">'localhost:9200'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">logger: <\/span><span class=\"no\">Logger<\/span>\r\n\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">perform_async<\/span><span class=\"p\">(<\/span><span class=\"n\">operation<\/span><span class=\"p\">,<\/span> <span class=\"n\">record_id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">logger<\/span><span class=\"p\">.<\/span><span class=\"nf\">debug<\/span> <span class=\"p\">[<\/span><span class=\"n\">operation<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"ID: <\/span><span class=\"si\">#{<\/span><span class=\"n\">record_id<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span><span class=\"p\">]<\/span>\r\n\r\n    <span class=\"k\">case<\/span> <span class=\"n\">operation<\/span><span class=\"p\">.<\/span><span class=\"nf\">to_s<\/span>\r\n      <span class=\"k\">when<\/span> <span class=\"sr\">\/index\/<\/span>\r\n        <span class=\"n\">record<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Article<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"n\">record_id<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"no\">Client<\/span><span class=\"p\">.<\/span><span class=\"nf\">index<\/span>  <span class=\"ss\">index: <\/span><span class=\"s1\">'articles'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">type: <\/span><span class=\"s1\">'article'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">id: <\/span><span class=\"n\">record<\/span><span class=\"p\">.<\/span><span class=\"nf\">id<\/span><span class=\"p\">,<\/span> <span class=\"ss\">body: <\/span><span class=\"n\">record<\/span><span class=\"p\">.<\/span><span class=\"nf\">__elasticsearch__<\/span><span class=\"p\">.<\/span><span class=\"nf\">as_indexed_json<\/span>\r\n      <span class=\"k\">when<\/span> <span class=\"sr\">\/delete\/<\/span>\r\n        <span class=\"no\">Client<\/span><span class=\"p\">.<\/span><span class=\"nf\">delete<\/span> <span class=\"ss\">index: <\/span><span class=\"s1\">'articles'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">type: <\/span><span class=\"s1\">'article'<\/span><span class=\"p\">,<\/span> <span class=\"ss\">id: <\/span><span class=\"n\">record_id<\/span>\r\n      <span class=\"k\">else<\/span> <span class=\"k\">raise<\/span> <span class=\"no\">ArgumentError<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"Unknown operation '<\/span><span class=\"si\">#{<\/span><span class=\"n\">operation<\/span><span class=\"si\">}<\/span><span class=\"s2\">'\"<\/span>\r\n    <span class=\"k\">end<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u4ee5\u4e0a\u662f\u5173\u4e8e\u5728Rails\u4e2d\u4f5c\u4e3a\u5168\u6587\u641c\u7d22\u5f15\u64ce\u4f7f\u7528Elasticsearch\u7684\u521d\u7ea7\u601d\u8def\u7684\u603b\u7ed3\u3002<\/p>\n<p>\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5168\u6587\u641c\u7d22\u5f15\u64ce\u96c6\u6210\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5fc5\u8981\u6b65\u9aa4\u5206\u4e3a\u4e09\u4e2a\uff0c\u5e76\u8be6\u7ec6\u4ecb\u7ecd\u4e86Rails \u00d7 Elasticsearch\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n<p>\u975e\u5e38\u611f\u8c22\u60a8\u7684\u966a\u4f34\u3002<\/p>\n<p>\u5982\u679c\u6709\u4efb\u4f55\u4e8b\u60c5\u8ba9\u4f60\u5728\u610f\uff0c\u968f\u65f6\u90fd\u53ef\u4ee5\u544a\u8bc9\u6211\uff01\uff08\u867d\u7136\u4e0d\u786e\u5b9a\u6211\u662f\u5426\u80fd\u7ed9\u51fa\u51c6\u786e\u7b54\u6848\uff01\uff09<\/p>\n<p>\u6211\u4e5f\u671f\u5f85\u7740\u5176\u4ed6\u7684\u300cElastic Stack\uff08Elasticsearch\uff09Advent Calendar 2017\u300d\u3002<\/p>\n<h3>\u96a8\u4fbf\u804a\u804a<\/h3>\n<p>Elasticsearch\u7684\u672f\u8bed\u548cRDB\u7684\u672f\u8bed\u5e76\u4e0d\u662f\u5f7c\u6b64\u7684\u5b8c\u5168\u5b50\u96c6\u3002\u56e0\u6b64\uff0c\u6211\u8ba4\u4e3a\u5982\u679c\u5728Elasticsearch\u7684\u672f\u8bed\u4e2d\u6709\u4e0d\u7406\u89e3\u7684\u5730\u65b9\uff0c\u6700\u597d\u662f\u6bcf\u6b21\u90fd\u53bb\u67e5\u627e\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4ea7\u751f\u4e00\u4e9b\u5947\u602a\u7684\u671f\u671b\u6216\u8bef\u89e3\uff0c\u6bd4\u5982\u201c\u5728\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u53ef\u4ee5\u505a\u5230\u7684\u529f\u80fd\uff0c\u5728Elasticsearch\u4e2d\u4e5f\u80fd\u505a\u5230\u5417\uff1f\u201d\u8fd9\u662f\u6211\u4f5c\u4e3a\u521d\u5b66\u8005\u7684\u60f3\u6cd5\u3002<\/p>\n<p>\u56e0\u4e3a\u6211\u662f\u4e2a\u6015\u4e8b\u7684\u4eba\uff0c\u6240\u4ee5\u9047\u5230\u4e0d\u61c2\u7684\u4e8b\u60c5\u5c31\u4f1a\u53bb\u9605\u8bfb\u6587\u6863&#8230;<br \/>\nElasticsearch\u7684\u5b98\u65b9\u6587\u6863\u975e\u5e38\u8be6\u5c3d\uff0c\u8fd9\u6b21\u6211\u4e5f\u662f\u8fb9\u81ea\u5df1\u5b9e\u73b0\u8fb9\u9047\u5230\u95ee\u9898\uff08\u6839\u636e\u4e0d\u540c\u7248\u672cFilterd query\u7684\u5199\u6cd5\u4e0d\u540c\uff09\uff0c\u5173\u4e8e\u8fd9\u4e9b\u53d8\u66f4\u70b9\u7684\u89e3\u91ca\u90fd\u5f88\u6e05\u695a\u5730\u5199\u5728\u4e86\u5b98\u65b9\u6587\u6863\u4e2d\u3002<\/p>\n<h3>\u9644\u52a0\u8a3b2<\/h3>\n<p>\u6211\u5728\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\u540c\u65f6\u53d1\u73b0\u4e86 README \u4e2d\u7684\u9519\u8bef\uff0c\u6240\u4ee5\u6211\u53d1\u9001\u4e86 PR \u5e76\u6210\u529f\u5730\u5408\u5e76\u4e86\u3002<br \/>\nhttps:\/\/github.com\/elastic\/elasticsearch-rails\/pull\/764#event-2316774905<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u597d\u3002\u6211\u662f@katsuhisa__\u3002 \u8fd9\u7bc7\u6587\u7ae0\u662f\u300cElastic stack\uff08Elasticsearch\uff09Ad 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