{"id":21767,"date":"2024-01-02T14:58:24","date_gmt":"2024-01-02T14:58:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21767\/"},"modified":"2024-11-14T10:27:22","modified_gmt":"2024-11-14T02:27:22","slug":"how-to-fix-mongodb-error-code-181-ambiguousindexkeypattern","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21767\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 – AmbiguousIndexKeyPattern"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 – AmbiguousIndexKeyPattern<\/h1>\n

MongoDB \u662f\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u8cc7\u6599\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6548\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u4e0d\u904e\uff0c\u8207\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u6709\u6642\u4e5f\u6703\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 – AmbiguousIndexKeyPattern \u5c31\u662f\u5176\u4e2d\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u610f\u601d\u4ee5\u53ca\u5982\u4f55\u4fee\u5fa9\u5b83\u3002<\/p>\n

\u7406\u89e3 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181<\/h2>\n

\u7576\u60a8\u9047\u5230 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 \u6642\uff0c\u9019\u8868\u793a\u60a8\u6307\u5b9a\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\u5b58\u5728\u6b67\u7fa9\u3002MongoDB \u4f7f\u7528\u7d22\u5f15\u4f86\u512a\u5316\u67e5\u8a62\u6548\u80fd\uff0c\u82e5\u7d22\u5f15\u9375\u6a21\u5f0f\u542b\u7cca\u4e0d\u6e05\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u5916\u7684\u7d50\u679c\u6216\u932f\u8aa4\u3002<\/p>\n

MongoDB \u4e2d\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\u6307\u5b9a\u4e86\u8981\u7d22\u5f15\u7684\u5b57\u6bb5\u53ca\u5b83\u5011\u61c9\u8003\u616e\u7684\u9806\u5e8f\u3002\u9019\u6709\u52a9\u65bc MongoDB \u6839\u64da\u6307\u5b9a\u7684\u5b57\u6bb5\u6709\u6548\u5730\u5b9a\u4f4d\u548c\u6aa2\u7d22\u6578\u64da\u3002\u7136\u800c\uff0c\u82e5\u7d22\u5f15\u9375\u6a21\u5f0f\u4e0d\u6e05\u6670\uff0cMongoDB \u7121\u6cd5\u78ba\u5b9a\u6b63\u78ba\u7684\u5b57\u6bb5\u9806\u5e8f\uff0c\u5f9e\u800c\u5c0e\u81f4\u932f\u8aa4\u3002<\/p>\n

\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181<\/h2>\n

\u8981\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u7d22\u5f15\u9375\u6a21\u5f0f\u662f\u660e\u78ba\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u60a8\u53ef\u4ee5\u9075\u5faa\u7684\u6b65\u9a5f\uff1a<\/p>\n

1. \u6aa2\u67e5\u7d22\u5f15\u9375\u6a21\u5f0f<\/h3>\n

\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u6307\u5b9a\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\u3002\u67e5\u770b\u662f\u5426\u6709\u4efb\u4f55\u5b57\u6bb5\u540d\u7a31\u6216\u985e\u578b\u76f8\u4f3c\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b67\u7fa9\u3002\u627e\u51fa\u4efb\u4f55\u53ef\u80fd\u8b93 MongoDB \u5728\u78ba\u5b9a\u5b57\u6bb5\u9806\u5e8f\u6642\u611f\u5230\u6df7\u6dc6\u7684\u6a21\u5f0f\u3002<\/p>\n

2. \u4fee\u6539\u7d22\u5f15\u9375\u6a21\u5f0f<\/h3>\n

\u5982\u679c\u60a8\u767c\u73fe\u7d22\u5f15\u9375\u6a21\u5f0f\u4e2d\u6709\u6b67\u7fa9\u7684\u5b57\u6bb5\uff0c\u8acb\u4fee\u6539\u5b83\u4ee5\u4f7f\u5176\u8b8a\u5f97\u660e\u78ba\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u66f4\u6539\u5b57\u6bb5\u9806\u5e8f\u6216\u6307\u5b9a\u984d\u5916\u7684\u5b57\u6bb5\u4f86\u589e\u52a0\u6e05\u6670\u5ea6\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u5982\u4e0b\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\uff1a<\/p>\n

{ field1: 1, field2: 1 }<\/code><\/p>\n

\u5982\u679c field1 \u548c field2 \u7684\u540d\u7a31\u6216\u985e\u578b\u76f8\u4f3c\uff0cMongoDB \u53ef\u80fd\u6703\u8a8d\u70ba\u5b83\u542b\u7cca\u4e0d\u6e05\u3002\u8981\u4fee\u5fa9\u9019\u500b\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u5c07\u7d22\u5f15\u9375\u6a21\u5f0f\u4fee\u6539\u70ba\uff1a<\/p>\n

{ field1: 1, field2: 1, field3: 1 }<\/code><\/p>\n

\u901a\u904e\u6dfb\u52a0\u984d\u5916\u7684\u5b57\u6bb5\uff08\u5982 field3\uff09\uff0c\u53ef\u4ee5\u4f7f\u7d22\u5f15\u9375\u6a21\u5f0f\u8b8a\u5f97\u6e05\u6670\u7121\u6b67\u7fa9\u3002<\/p>\n

3. \u91cd\u5efa\u7d22\u5f15<\/h3>\n

\u5728\u4fee\u6539\u7d22\u5f15\u9375\u6a21\u5f0f\u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u5efa\u7d22\u5f15\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 MongoDB \u7684 db.collection.createIndex()<\/code> \u65b9\u6cd5\u4f86\u5b8c\u6210\u6b64\u64cd\u4f5c\u3002<\/p>\n

\u4f8b\u5982\uff0c\u82e5\u60a8\u6709\u4e00\u500b\u540d\u70ba “users” \u7684\u96c6\u5408\uff0c\u4e26\u4e14\u60a8\u60f3\u91cd\u5efa\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u5728 MongoDB shell \u4e2d\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

db.users.createIndex({ field1: 1, field2: 1, field3: 1 })<\/code><\/p>\n

\u6b64\u547d\u4ee4\u6703\u4f7f\u7528\u4fee\u6539\u5f8c\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\u5275\u5efa\u4e00\u500b\u65b0\u7d22\u5f15\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 – AmbiguousIndexKeyPattern \u767c\u751f\u5728\u6307\u5b9a\u7684\u7d22\u5f15\u9375\u6a21\u5f0f\u5b58\u5728\u6b67\u7fa9\u6642\u3002\u70ba\u4e86\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u4e26\u4fee\u6539\u7d22\u5f15\u9375\u6a21\u5f0f\u4ee5\u4f7f\u5176\u6e05\u6670\u7121\u6b67\u7fa9\u3002\u6b64\u5916\uff0c\u60a8\u61c9\u8a72\u91cd\u5efa\u7d22\u5f15\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n

\u5982\u679c\u60a8\u9047\u5230 MongoDB \u932f\u8aa4\u4ee3\u78bc – 181 \u6216\u4efb\u4f55\u5176\u4ed6\u8207 MongoDB \u6709\u95dc\u7684\u554f\u984c\uff0cServer.HK \u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u3002\u6211\u5011\u7684 VPS \u4e3b\u6a5f\u670d\u52d9\u65e8\u5728\u70ba\u60a8\u7684 MongoDB \u90e8\u7f72\u63d0\u4f9b\u6700\u4f73\u6548\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u4eca\u5929\u5c31\u806f\u7d61\u6211\u5011\uff0c\u4e86\u89e3\u6211\u5011\u7684\u9999\u6e2f VPS \u4e3b\u6a5f\u5982\u4f55\u70ba\u60a8\u7684 MongoDB \u61c9\u7528\u5e36\u4f86\u597d\u8655\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-21767","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21767","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=21767"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21767\/revisions"}],"predecessor-version":[{"id":23613,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21767\/revisions\/23613"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}