{"id":7098,"date":"2024-11-14T10:20:04","date_gmt":"2024-11-14T02:20:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7098\/"},"modified":"2024-11-14T10:20:04","modified_gmt":"2024-11-14T02:20:04","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-elasticsearch-%e7%9a%84-join-%e7%b1%bb%e5%9e%8b%e7%ae%a1%e7%90%86%e5%85%b3%e8%81%94%e6%95%b0%e6%8d%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7098\/","title":{"rendered":"\u5982\u4f55\u5229\u7528 Elasticsearch \u7684 Join \u7c7b\u578b\u7ba1\u7406\u5173\u8054\u6570\u636e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173043980711229.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5229\u7528 Elasticsearch \u7684 Join \u7c7b\u578b\u7ba1\u7406\u5173\u8054\u6570\u636e\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5229\u7528 Elasticsearch \u7684 Join \u7c7b\u578b\u7ba1\u7406\u5173\u8054\u6570\u636e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>Elasticsearch \u7684 Join \u7c7b\u578b<\/strong><\/p>\n<p>\u5728 Elasticsearch \u4e2d\uff0cjoin \u7c7b\u578b\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\u5b58\u50a8\u5173\u8054\u6570\u636e\uff0c\u4ece\u800c\u89e3\u51b3\u201c\u4e00\u4e2a\u6587\u6863\u5305\u542b\u53e6\u4e00\u4e2a\u6587\u6863\u201d\u7684\u95ee\u9898\uff0c\u50cf\u6587\u7ae0\u548c\u8bc4\u8bba\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<p><strong>\u4e0e\u5408\u5e76\u7d22\u5f15\u7684\u5dee\u5f02<\/strong><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cjoin \u7c7b\u578b\u4e0e\u5408\u5e76\u591a\u4e2a\u7d22\u5f15\u4e0d\u540c\u3002\u5408\u5e76\u7d22\u5f15\u4f1a\u5c06\u6240\u6709\u6587\u6863\u7269\u7406\u5b58\u50a8\u5728\u540c\u4e00\u4e2a\u7d22\u5f15\u4e2d\uff0c\u800c join \u7c7b\u578b\u53ea\u662f\u5728\u903b\u8f91\u4e0a\u5c06\u5b83\u4eec\u5173\u8054\u8d77\u6765\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4f7f\u7528 join \u7c7b\u578b\uff0c\u6587\u7ae0\u548c\u8bc4\u8bba\u4ecd\u7136\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\uff0c\u4f46\u662f Elasticsearch \u53ef\u4ee5\u901a\u8fc7 join \u5b57\u6bb5\u5c06\u5b83\u4eec\u94fe\u63a5\u8d77\u6765\u3002<\/p>\n<p><strong>\u6027\u80fd\u4f18\u52bf<\/strong><\/p>\n<p>\u4e0e\u5c06\u8bc4\u8bba\u5b58\u50a8\u5728\u6587\u7ae0 object \u5b57\u6bb5\u4e2d\u76f8\u6bd4\uff0cjoin \u7c7b\u578b\u5728\u7edf\u8ba1\u548c\u67e5\u8be2\u6027\u80fd\u65b9\u9762\u5177\u6709\u4f18\u52bf\u3002<\/p>\n<ul>\n<li> <strong>\u7edf\u8ba1\uff1a<\/strong> \u4f7f\u7528 join \u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 terms aggregation \u5206\u7ec4\u7edf\u8ba1\u6bcf\u4e2a\u6587\u7ae0\u7684\u8bc4\u8bba\u6570\u3002\u5982\u679c\u5c06\u8bc4\u8bba\u5b58\u50a8\u5728 object \u5b57\u6bb5\u4e2d\uff0c\u5219\u9700\u8981\u7f16\u5199\u590d\u6742\u7684\u67e5\u8be2\u6765\u63d0\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002<\/li>\n<li> <strong>\u67e5\u8be2\uff1a<\/strong> \u52a0\u5165\u7c7b\u578b\u5141\u8bb8\u6211\u4eec\u4f7f\u7528 nested queries \u8f7b\u677e\u5730\u67e5\u8be2\u5305\u542b\u7279\u5b9a\u6761\u4ef6\u8bc4\u8bba\u7684\u6587\u7ae0\u3002\u5c06\u8bc4\u8bba\u5b58\u50a8\u5728 object \u5b57\u6bb5\u4e2d\uff0c\u5219\u9700\u8981\u4f7f\u7528\u66f4\u590d\u6742\u7684\u591a\u5c42\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<p><strong>\u5efa\u8bae<\/strong><\/p>\n<p>\u5bf9\u4e8e\u50cf\u6587\u7ae0\u548c\u8bc4\u8bba\u8fd9\u6837\u7684\u5173\u7cfb\u6570\u636e\uff0c\u6211\u4eec\u5efa\u8bae\u4f7f\u7528 join \u7c7b\u578b\uff0c\u800c\u4e0d\u662f\u5c06\u8bc4\u8bba\u6302\u8f7d\u5230\u6587\u7ae0\u6587\u6863\u4e2d\u3002\u8fd9\u6837\u505a\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u51cf\u5c11\u6570\u636e\u4fee\u6539\u5f00\u9500<\/li>\n<li>\u63d0\u9ad8\u7edf\u8ba1\u548c\u67e5\u8be2\u6027\u80fd<\/li>\n<li>\u4fdd\u6301\u6570\u636e\u7684\u7ed3\u6784\u5316\u548c\u7ec4\u7ec7\u6027<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5229\u7528 Elasticsearch \u7684 Join \u7c7b\u578b\u7ba1\u7406\u5173\u8054\u6570\u636e\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elasticsearch \u7684 Join \u7c7b\u578b \u5728 Elasticsearch \u4e2d\uff0cjoin \u7c7b\u578b\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\u5b58\u50a8\u5173\u8054\u6570\u636e\uff0c\u4ece\u800c\u89e3\u51b3\u201c\u4e00\u4e2a\u6587\u6863\u5305\u542b\u53e6\u4e00\u4e2a\u6587\u6863\u201d\u7684\u95ee\u9898\uff0c\u50cf\u6587\u7ae0\u548c\u8bc4\u8bba\u4e4b\u95f4\u7684\u5173\u7cfb\u3002 \u4e0e\u5408\u5e76\u7d22\u5f15\u7684\u5dee\u5f02 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cjoin \u7c7b\u578b\u4e0e\u5408\u5e76\u591a\u4e2a\u7d22\u5f15\u4e0d\u540c\u3002\u5408\u5e76\u7d22\u5f15\u4f1a\u5c06\u6240\u6709\u6587\u6863\u7269\u7406\u5b58\u50a8\u5728\u540c\u4e00\u4e2a\u7d22\u5f15\u4e2d\uff0c\u800c join \u7c7b\u578b\u53ea\u662f\u5728\u903b\u8f91\u4e0a\u5c06\u5b83\u4eec\u5173\u8054\u8d77\u6765\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u4f7f\u7528 join \u7c7b\u578b\uff0c\u6587\u7ae0\u548c\u8bc4\u8bba\u4ecd\u7136\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\uff0c\u4f46\u662f Elasticsearch \u53ef\u4ee5\u901a\u8fc7 join \u5b57\u6bb5\u5c06\u5b83\u4eec\u94fe\u63a5\u8d77\u6765\u3002 \u6027\u80fd\u4f18\u52bf \u4e0e\u5c06\u8bc4\u8bba\u5b58\u50a8\u5728\u6587\u7ae0 object \u5b57\u6bb5\u4e2d\u76f8\u6bd4\uff0cjoin \u7c7b\u578b\u5728\u7edf\u8ba1\u548c\u67e5\u8be2\u6027\u80fd\u65b9\u9762\u5177\u6709\u4f18\u52bf\u3002 \u7edf\u8ba1\uff1a \u4f7f\u7528 join \u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 terms aggregation \u5206\u7ec4\u7edf\u8ba1\u6bcf\u4e2a\u6587\u7ae0\u7684\u8bc4\u8bba\u6570\u3002\u5982\u679c\u5c06\u8bc4\u8bba\u5b58\u50a8\u5728 object \u5b57\u6bb5\u4e2d\uff0c\u5219\u9700\u8981\u7f16\u5199\u590d\u6742\u7684\u67e5\u8be2\u6765\u63d0\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002 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\u7c7b\u578b\u7ba1\u7406\u5173\u8054\u6570\u636e\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7098","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7098"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7098\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}