{"id":208278,"date":"2025-07-08T12:54:34","date_gmt":"2025-07-08T04:54:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208278\/"},"modified":"2025-07-08T12:54:34","modified_gmt":"2025-07-08T04:54:34","slug":"mongodb-%e6%9f%a5%e8%af%a2%e6%89%a7%e8%a1%8c%e8%8a%b1%e8%b4%b9%e5%a4%aa%e5%a4%9a%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208278\/","title":{"rendered":"Mongodb \u67e5\u8be2\u6267\u884c\u82b1\u8d39\u592a\u591a\u65f6\u95f4"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Mongodb \u67e5\u8be2\u6267\u884c\u82b1\u8d39\u592a\u591a\u65f6\u95f4<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-01 10:30:33<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5bf9\u4e8e\u4e00\u4e2aGolang\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aMongodb \u67e5\u8be2\u6267\u884c\u82b1\u8d39\u592a\u591a\u65f6\u95f4\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5f00\u53d1 go \u9879\u76ee\uff0c\u5e76\u4e14\u4f7f\u7528 mongodb \u6765\u5b58\u50a8\u6211\u7684\u6570\u636e\u3002\u4f46\u7a81\u7136\u95f4 mongodb \u67e5\u8be2\u6267\u884c\u82b1\u8d39\u4e86\u592a\u591a\u65f6\u95f4\u6765\u83b7\u53d6\u6570\u636e\u3002 \u6211\u6709\u4e00\u4e2a\u540d\u4e3a\u201ccars\u201d\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u5305\u542b\u5927\u7ea6 25000 \u4e2a\u6587\u6863\uff0c\u6bcf\u4e2a\u6587\u6863\u5305\u542b\u5927\u7ea6 200 \u4e2a\u5b57\u6bb5 (4.385kb)\u3002\u6211\u6709\u4e00\u4e2a\u50cf\u8fd9\u6837\u7684\u805a\u5408\u67e5\u8be2\uff1a<\/p>\n

db.cars.aggregate([\n    {\n        $lookup:\n        {\n            from: \"users\",\n            localField: \"uid\",\n            foreignField: \"_id\",\n            as: \"customer_info\"\n        }\n    },{\n        $unwind: \"$customer_info\"\n    },{\n        $lookup:\n        {\n            from: \"user_addresses\",\n            localField: \"uid\",\n            foreignField: \"_id\",\n            as: \"address\"\n        }\n    },{\n        $unwind: \"$address\"\n    },{\n    $lookup:\n        {\n            from: \"models\",\n            localField: \"_id\",\n            foreignField: \"car_id\",\n            as: \"model_info\"\n        }\n    },{\n    $match:{\n        purchased_on:{$gt:1538392491}, \n        status:{$in:[1,2,3,4]}, \n        \"customer_info.status\":{$ne:9}, \n        \"model_info.status\":{$ne:9},\n        }\n    },{\n        $sort:{\n            arrival_time:1\n        }\n    },{\n        $skip:0\n    },{\n        $limit:5\n    }\n])<\/pre>\n
\u6211\u7684\u6587\u6863\u7ed3\u6784\u5982\u4e0b\uff1ahttps:\/\/drive.google.com\/file\/d\/1hm-lpwve45_213rqdyayuyybt3lrtgf0\/view\u3002<\/p>\n
\u73b0\u5728\uff0c\u5982\u679c\u5728\u6ca1\u6709\u7d22\u5f15\u7684\u60c5\u51b5\u4e0b\u8fd0\u884c\u6b64\u67e5\u8be2\uff0c\u5219\u52a0\u8f7d\u6570\u636e\u5927\u7ea6\u9700\u8981 10 \u5206\u949f\u3002\u8c01\u80fd\u5efa\u8bae\u6211\u5982\u4f55\u51cf\u5c11\u5176\u6267\u884c\u65f6\u95f4\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u4f18\u5316\u67e5\u8be2\u6709\u5f88\u591a\u4e8b\u60c5\u8981\u505a\u3002\u6211\u4f1a\u5c1d\u8bd5\u4ec0\u4e48\uff1a<\/p>\n
    \n
  • \n
    \u6b63\u5982 Anthony Winzlet \u5728\u8bc4\u8bba\u4e2d\u6240\u8bf4\uff0c\u5c3d\u53ef\u80fd\u4f7f\u7528 $match \u9636\u6bb5\u4f5c\u4e3a\u7b2c\u4e00\u9636\u6bb5\u3002\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u4f20\u9012\u5230\u4ee5\u4e0b\u9636\u6bb5\u7684\u6587\u6863\u6570\u91cf\uff0c\u5e76\u4f7f\u7528\u7d22\u5f15\u3002<\/p>\n<\/li>\n
  • \n
    \u5047\u8bbe\u60a8\u81f3\u5c11\u4f7f\u7528 3.6 mongo \u7248\u672c\uff0c\u8bf7\u4f7f\u7528\u201clet\/pipeline\u201d\u8bed\u6cd5\u66f4\u6539\u67e5\u627e\u9636\u6bb5 ()\u3002\u8fd9\u6837\uff0c\u60a8\u5c31\u53ef\u4ee5\u5c06\u201c\u5916\u90e8\u8fc7\u6ee4\u5668\u201d\uff08 “customer_info.status”:{$ne:9}, “model_info.status”:{$ne:9} \uff09\u96c6\u6210\u5230\u67e5\u627e\u7ba1\u9053\u7684 $match \u9636\u6bb5\u4e2d\u3002\u901a\u8fc7\u6b63\u786e\u5b57\u6bb5\/\u96c6\u5408\u4e0a\u7684\u7d22\u5f15\uff0c\u60a8\u5c06\u5728 $lookup \u9636\u6bb5\u83b7\u5f97\u4e00\u4e9b\u65f6\u95f4\/\u5185\u5b58\u3002<\/p>\n<\/li>\n
  • \n
    \u5c3d\u53ef\u80fd\u665a\u5730\u8fdb\u884c\u5c55\u5f00\u9636\u6bb5\uff0c\u4ee5\u9650\u5236\u4f20\u9012\u5230\u540e\u7eed\u9636\u6bb5\u7684\u6587\u6863\u6570\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n
    \u4e86\u89e3\u805a\u5408\u7ba1\u9053\u7684\u5de5\u4f5c\u539f\u7406\u975e\u5e38\u91cd\u8981\uff1a\u6bcf\u4e2a\u9636\u6bb5\u63a5\u6536\u6570\u636e\uff0c\u6267\u884c\u5176\u64cd\u4f5c\uff0c\u5e76\u5c06\u6570\u636e\u4f20\u9012\u5230\u4e0b\u4e00\u4e2a\u9636\u6bb5\u3002\u56e0\u6b64\uff0c\u4f20\u9012\u5230\u7ba1\u9053\u7684\u6570\u636e\u8d8a\u5c11\uff0c\u67e5\u8be2\u901f\u5ea6\u5c31\u8d8a\u5feb\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aMongodb \u67e5\u8be2\u6267\u884c\u82b1\u8d39\u592a\u591a\u65f6\u95f4\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208278","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208278","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=208278"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208278\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}