{"id":200510,"date":"2025-05-06T09:16:39","date_gmt":"2025-05-06T01:16:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200510\/"},"modified":"2025-05-06T09:16:39","modified_gmt":"2025-05-06T01:16:39","slug":"elasticsearch-join-%e7%b1%bb%e5%9e%8b%e8%a7%a3%e6%9e%90%ef%bc%9a%e7%9c%9f%e7%9a%84%e7%9b%b8%e5%bd%93%e4%ba%8e%e6%8a%8a%e5%a4%9a%e4%b8%aa%e7%b4%a2%e5%bc%95%e5%a1%9e%e8%bf%9b%e4%b8%80%e4%b8%aa%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200510\/","title":{"rendered":"Elasticsearch Join \u7c7b\u578b\u89e3\u6790\uff1a\u771f\u7684\u76f8\u5f53\u4e8e\u628a\u591a\u4e2a\u7d22\u5f15\u585e\u8fdb\u4e00\u4e2a\u7d22\u5f15\u91cc\u5417\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Elasticsearch Join \u7c7b\u578b\u89e3\u6790\uff1a\u771f\u7684\u76f8\u5f53\u4e8e\u628a\u591a\u4e2a\u7d22\u5f15\u585e\u8fdb\u4e00\u4e2a\u7d22\u5f15\u91cc\u5417\uff1f<\/h1>\n<p>\u6765\u5230\u4e3b\u673a\u5b9d\u8d1d\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aElasticsearch Join \u7c7b\u578b\u89e3\u6790\uff1a\u771f\u7684\u76f8\u5f53\u4e8e\u628a\u591a\u4e2a\u7d22\u5f15\u585e\u8fdb\u4e00\u4e2a\u7d22\u5f15\u91cc\u5417\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241107\/1730942512672c16305e8a2.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Elasticsearch Join \u7c7b\u578b\u89e3\u6790<\/strong><\/p>\n<p>\u5728 Elasticsearch \u4e2d\uff0cjoin \u7c7b\u578b\u662f\u4e00\u79cd\u6570\u636e\u5173\u8054\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u4f60\u5c06\u5b58\u50a8\u5728\u591a\u4e2a\u7d22\u5f15\u4e2d\u7684\u6570\u636e\u903b\u8f91\u5730\u8fde\u63a5\u8d77\u6765\u3002\u90a3\u4e48\uff0cjoin \u7c7b\u578b\u662f\u5426\u771f\u7684\u76f8\u5f53\u4e8e\u628a\u591a\u4e2a\u7d22\u5f15\u585e\u8fdb\u4e00\u4e2a\u7d22\u5f15\u91cc\u4e86\u5462\uff1f<\/p>\n<p><strong>\u5426\uff0cjoin \u7c7b\u578b\u4e0d\u7b49\u4e8e\u628a\u591a\u4e2a\u7d22\u5f15\u585e\u8fdb\u4e00\u4e2a\u7d22\u5f15\u91cc<\/strong><\/p>\n<p>\u867d\u7136 join \u7c7b\u578b\u53ef\u4ee5\u5728\u67e5\u8be2\u5c42\u9762\u5c06\u591a\u4e2a\u7d22\u5f15\u4e2d\u7684\u6570\u636e\u5173\u8054\u8d77\u6765\uff0c\u4f46\u5b9e\u9645\u4e0a\u8fd9\u4e9b\u6570\u636e\u4ecd\u7136\u5b58\u50a8\u5728\u5404\u81ea\u7684\u7d22\u5f15\u4e2d\u3002\u8fd9\u662f\u56e0\u4e3a join \u7c7b\u578b\u53ea\u662f\u4e00\u79cd\u865a\u62df\u8fde\u63a5\uff0c\u5b83\u4e0d\u4f1a\u6539\u53d8\u6570\u636e\u7684\u7269\u7406\u5b58\u50a8\u7ed3\u6784\u3002<\/p>\n<p><strong>join \u7c7b\u578b\u7684\u4f18\u52bf\u548c\u52a3\u52bf<\/strong><\/p>\n<p><strong>\u4f18\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li>\u67e5\u8be2\u6548\u7387\u9ad8\uff1a\u901a\u8fc7 join \u7c7b\u578b\u5173\u8054\u6570\u636e\uff0c\u53ef\u4ee5\u4e00\u6b21\u67e5\u8be2\u83b7\u53d6\u591a\u4e2a\u7d22\u5f15\u4e2d\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<li>\u6570\u636e\u9694\u79bb\u6027\u597d\uff1a\u4e0d\u540c\u7684\u7d22\u5f15\u53ef\u4ee5\u72ec\u7acb\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\uff0c\u4fdd\u6301\u6570\u636e\u9694\u79bb\u6027\u548c\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u52a3\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li>\u66f4\u65b0\u590d\u6742\uff1a\u5f53\u5bf9\u5173\u8054\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u540c\u65f6\u66f4\u65b0\u591a\u4e2a\u7d22\u5f15\u4e2d\u7684\u6570\u636e\uff0c\u589e\u52a0\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u7edf\u8ba1\u4e0d\u65b9\u4fbf\uff1a\u7531\u4e8e\u6570\u636e\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\uff0c\u56e0\u6b64\u5bf9\u8de8\u7d22\u5f15\u7684\u6570\u636e\u8fdb\u884c\u7edf\u8ba1\u5206\u6790\u53ef\u80fd\u4e0d\u65b9\u4fbf\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u8df5\u5efa\u8bae<\/strong><\/p>\n<p>\u4ece\u6027\u80fd\u548c\u7ef4\u62a4\u7684\u89d2\u5ea6\u8003\u8651\uff0c\u5bf9\u4e8e\u4ee5\u4e0b\u573a\u666f\uff0c\u5efa\u8bae\u4f7f\u7528 join \u7c7b\u578b\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u5728\u67e5\u8be2\u4e2d\u5173\u8054\u6765\u81ea\u591a\u4e2a\u7d22\u5f15\u7684\u6570\u636e\u3002<\/li>\n<li>\u76f8\u5173\u6570\u636e\u7684\u66f4\u65b0\u9891\u7387\u76f8\u5bf9\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u4ee5\u4e0b\u573a\u666f\uff0c\u5efa\u8bae\u5c06\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728\u4e00\u4e2a\u7d22\u5f15\u4e2d\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u9891\u7e41\u5bf9\u5173\u8054\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u3002<\/li>\n<li>\u9700\u8981\u65b9\u4fbf\u5730\u5bf9\u8de8\u6570\u636e\u7684\u7edf\u8ba1\u5206\u6790\u3002<\/li>\n<\/ul>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728 ElasticSearch \u4e2d\uff0c\u8fd8\u63d0\u4f9b\u4e86 parent\/child \u5173\u7cfb\u6765\u5904\u7406\u7236\u5b50\u6587\u6863\u7684\u573a\u666f\u3002\u5982\u679c\u60a8\u9700\u8981\u5728\u76f8\u5173\u6587\u7ae0\u548c\u8bc4\u8bba\u4e4b\u95f4\u5efa\u7acb\u7236\u5b50\u5173\u7cfb\uff0c\u53ef\u4ee5\u4f7f\u7528 parent\/child 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Jo&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200510","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200510"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200510\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}