{"id":16338,"date":"2023-12-05T10:11:58","date_gmt":"2023-12-05T02:11:58","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16338"},"modified":"2023-12-16T14:06:01","modified_gmt":"2023-12-16T06:06:01","slug":"elasticsearch-zhong-de-document-she-ji","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zhong-de-document-she-ji\/","title":{"rendered":"Elasticsearch \u4e2d\u7684 document \u8bbe\u8ba1\uff1f"},"content":{"rendered":"

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    \n
  1. \n\u5b57\u6bb5\u6620\u5c04\uff08Field Mapping\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5728\u8bbe\u8ba1document\u65f6\uff0c\u4f60\u9700\u8981\u660e\u786e\u5b9a\u4e49\u6bcf\u4e2a\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u548c\u5c5e\u6027\u3002Elasticsearch\u4f7f\u7528\u6620\u5c04\uff08mapping\uff09\u6765\u5b9a\u4e49\u5b57\u6bb5\u7684\u7c7b\u578b\uff0c\u4f8b\u5982text\u3001keyword\u3001date\u7b49\u3002\u5408\u7406\u7684\u6620\u5c04\u53ef\u4ee5\u63d0\u9ad8\u641c\u7d22\u548c\u805a\u5408\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n
      {\n  "mappings": {\n    "properties": {\n      "title": {\n        "type": "text"\n      },\n      "category": {\n        "type": "keyword"\n      },\n      "timestamp": {\n        "type": "date"\n      }\n    }\n  }\n}\n<\/code><\/pre>\n<\/li>\n
    • \n\u5197\u4f59\u6570\u636e\uff08Denormalization\uff09\uff1a<\/strong><\/p>\n
        \n
      • Elasticsearch\u9f13\u52b1\u5728document\u4e2d\u5305\u542b\u5197\u4f59\u7684\u6570\u636e\uff0c\u4ee5\u4fbf\u63d0\u9ad8\u641c\u7d22\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u6587\u6863\u4e2d\u5b58\u50a8\u67d0\u4e2a\u5b57\u6bb5\u7684\u539f\u59cb\u503c\u548c\u8be5\u5b57\u6bb5\u7684\u5206\u6790\u7248\u672c\uff0c\u4ee5\u4fbf\u5728\u641c\u7d22\u65f6\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u539f\u59cb\u503c\u6216\u5206\u6790\u503c\u3002<\/li>\n<\/ul>\n
        {\n  "title": "Elasticsearch Introduction",\n  "title_keyword": "Elasticsearch",\n  "content": "Elasticsearch is a distributed search engine..."\n}\n<\/code><\/pre>\n<\/li>\n
      • \n\u6587\u6863ID\uff08Document ID\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u6bcf\u4e2adocument\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684ID\uff0c\u53ef\u4ee5\u7531Elasticsearch\u81ea\u52a8\u751f\u6210\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u6307\u5b9a\u3002ID\u7684\u9009\u62e9\u5bf9\u4e8e\u7d22\u5f15\u548c\u68c0\u7d22\u6587\u6863\u90fd\u5f88\u91cd\u8981\u3002<\/li>\n<\/ul>\n
          {\n  "_id": "1",\n  "title": "Elasticsearch Introduction",\n  "content": "Elasticsearch is a distributed search engine..."\n}\n<\/code><\/pre>\n<\/li>\n
        • \n\u5d4c\u5957\u5bf9\u8c61\u548c\u6570\u7ec4\uff08Nested Objects and Arrays\uff09\uff1a<\/strong><\/p>\n
            \n
          • Elasticsearch\u652f\u6301\u5d4c\u5957\u7684\u5bf9\u8c61\u548c\u6570\u7ec4\uff0c\u4f7f\u5f97\u4f60\u53ef\u4ee5\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5728\u9700\u8981\u8fdb\u884c\u590d\u6742\u67e5\u8be2\u6216\u805a\u5408\u64cd\u4f5c\u65f6\uff0c\u5d4c\u5957\u5bf9\u8c61\u548c\u6570\u7ec4\u662f\u975e\u5e38\u6709\u7528\u7684\u3002<\/li>\n<\/ul>\n
            {\n  "title": "Blog Post",\n  "tags": ["search", "Elasticsearch", "data"],\n  "author": {\n    "name": "John Doe",\n    "email": "john@example.com"\n  }\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u9002\u5f53\u7684\u7d22\u5f15\u7b56\u7565\uff1a<\/strong><\/p>\n
              \n
            • \u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u7d22\u5f15\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5168\u6587\u641c\u7d22\u7684\u5b57\u6bb5\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5206\u6790\u5668\uff0c\u800c\u5bf9\u4e8e\u7cbe\u786e\u5339\u914d\u7684\u5b57\u6bb5\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528keyword\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
              {\n  "title": "Elasticsearch Introduction",\n  "content": "Elasticsearch is a distributed search engine...",\n  "category": "Technology"\n}\n<\/code><\/pre>\n<\/li>\n
            • \n\u52a8\u6001\u6620\u5c04\uff08Dynamic Mapping\uff09\uff1a<\/strong><\/p>\n
                \n
              • Elasticsearch\u53ef\u4ee5\u6839\u636e\u6587\u6863\u7684\u5185\u5bb9\u81ea\u52a8\u521b\u5efa\u6620\u5c04\uff0c\u8fd9\u79f0\u4e3a\u52a8\u6001\u6620\u5c04\u3002\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fd9\u662f\u65b9\u4fbf\u7684\uff0c\u4f46\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u663e\u793a\u5b9a\u4e49\u6620\u5c04\u6765\u66f4\u597d\u5730\u63a7\u5236\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
                {\n  "dynamic": "strict",\n  "properties": {\n    "title": {\n      "type": "text"\n    },\n    "category": {\n      "type": "keyword"\n    },\n    "timestamp": {\n      "type": "date"\n    }\n  }\n}\n<\/code><\/pre>\n<\/li>\n
              • \n\u6587\u6863\u7248\u672c\u63a7\u5236\uff1a<\/strong><\/p>\n
                  \n
                • \u5bf9\u4e8e\u9700\u8981\u652f\u6301\u6587\u6863\u7248\u672c\u63a7\u5236\u7684\u5e94\u7528\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Elasticsearch\u63d0\u4f9b\u7684\u7248\u672c\u63a7\u5236\u529f\u80fd\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8ddf\u8e2a\u548c\u5904\u7406\u6587\u6863\u7684\u53d8\u5316\u3002<\/li>\n<\/ul>\n
                  {\n  "_id": "1",\n  "_version": 2,\n  "title": "Updated Title",\n  "content": "Updated content..."\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                  \u8fd9\u4e9b\u539f\u5219\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u8bbe\u8ba1\u7b26\u5408\u4f60\u5e94\u7528\u9700\u6c42\u7684Elasticsearch\u6587\u6863\u3002\u5177\u4f53\u7684\u8bbe\u8ba1\u5e94\u8be5\u6839\u636e\u4f60\u7684\u5177\u4f53\u7528\u4f8b\u548c\u67e5\u8be2\u9700\u6c42\u6765\u8c03\u6574\u3002\u5728\u8bbe\u8ba1\u6587\u6863\u65f6\uff0c\u8bb0\u5f97\u8003\u8651\u5230\u641c\u7d22\u3001\u805a\u5408\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\uff0c\u5e76\u6839\u636e\u9700\u6c42\u8c03\u6574\u6620\u5c04\u548c\u5b57\u6bb5\u7684\u5b58\u50a8\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                  \u5728Elasticsearch\u4e2d\uff0cdocument\uff08\u6587\u6863\uff09\u662f\u7d22\u5f15\u7684\u57fa\u672c\u6570\u636e\u5355\u5143\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u6761JSON\u683c\u5f0f\u7684\u6570\u636e\u3002 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-16338","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16338"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16338\/revisions"}],"predecessor-version":[{"id":48455,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16338\/revisions\/48455"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16338"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}