{"id":21954,"date":"2024-01-02T18:05:24","date_gmt":"2024-01-02T18:05:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21954\/"},"modified":"2024-11-14T10:24:24","modified_gmt":"2024-11-14T02:24:24","slug":"how-to-fix-mongodb-error-code-11000-duplicatekey-3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21954\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u78bc – 11000 – DuplicateKey"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u78bc – 11000 – DuplicateKey<\/h1>\n

MongoDB\u662f\u4e00\u500b\u53d7\u6b61\u8fce\u7684NoSQL\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u7136\u800c\uff0c\u8207\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u4e00\u6a23\uff0c\u5b83\u4e5f\u4e26\u975e\u6beb\u7121\u932f\u8aa4\u3002MongoDB\u7528\u6236\u53ef\u80fd\u6703\u9047\u5230\u7684\u4e00\u500b\u5e38\u898b\u932f\u8aa4\u662f\u932f\u8aa4\u78bc – 11000\uff0c\u4e5f\u7a31\u70baDuplicateKey\u932f\u8aa4\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u542b\u7fa9\u4ee5\u53ca\u5982\u4f55\u4fee\u5fa9\u5b83\u3002<\/p>\n

\u7406\u89e3\u932f\u8aa4\u78bc – 11000<\/h2>\n

\u932f\u8aa4\u78bc – 11000\u767c\u751f\u5728\u60a8\u5617\u8a66\u5728MongoDB\u96c6\u5408\u4e2d\u63d2\u5165\u6216\u66f4\u65b0\u6587\u6a94\u6642\uff0c\u8a72\u64cd\u4f5c\u9055\u53cd\u4e86\u552f\u4e00\u7d22\u5f15\u7d04\u675f\u3002MongoDB\u4f7f\u7528\u552f\u4e00\u7d22\u5f15\u4f86\u78ba\u4fdd\u67d0\u4e9b\u5b57\u6bb5\u6216\u5b57\u6bb5\u7684\u7d44\u5408\u5728\u96c6\u5408\u4e2d\u5177\u6709\u552f\u4e00\u503c\u3002\u7576\u767c\u751f\u91cd\u8907\u9375\u9055\u898f\u6642\uff0cMongoDB\u6703\u62cb\u51fa\u932f\u8aa4\u78bc – 11000\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u6709\u4e00\u500b\u91dd\u5c0d\u201cemail\u201d\u5b57\u6bb5\u7684\u552f\u4e00\u7d22\u5f15\u3002\u5982\u679c\u60a8\u5617\u8a66\u63d2\u5165\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u65bc\u96c6\u5408\u4e2d\u7684\u96fb\u5b50\u90f5\u4ef6\u6587\u6a94\uff0c\u60a8\u5c07\u9047\u5230DuplicateKey\u932f\u8aa4\u3002<\/p>\n

\u4fee\u5fa9DuplicateKey\u932f\u8aa4<\/h2>\n

\u7576\u9762\u5c0dDuplicateKey\u932f\u8aa4\u6642\uff0c\u60a8\u53ef\u4ee5\u63a1\u53d6\u5e7e\u500b\u6b65\u9a5f\u4f86\u89e3\u6c7a\u6b64\u554f\u984c\uff1a<\/p>\n

1. \u78ba\u8a8d\u91cd\u8907\u9375<\/h3>\n

\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a\u9020\u6210\u932f\u8aa4\u7684\u91cd\u8907\u9375\u3002\u932f\u8aa4\u6d88\u606f\u901a\u5e38\u63d0\u4f9b\u4e00\u4e9b\u6709\u95dc\u91cd\u8907\u9375\u503c\u7684\u8cc7\u8a0a\u3002\u5229\u7528\u9019\u4e9b\u4fe1\u606f\u4f86\u627e\u5230\u5177\u6709\u91cd\u8907\u9375\u7684\u6587\u6a94\u3002<\/p>\n

2. \u6c7a\u5b9a\u9069\u7576\u7684\u884c\u52d5<\/h3>\n

\u4e00\u65e6\u78ba\u5b9a\u4e86\u91cd\u8907\u9375\uff0c\u60a8\u9700\u8981\u6c7a\u5b9a\u91c7\u53d6\u7684\u9069\u7576\u884c\u52d5\u3002\u60a8\u53ef\u4ee5\u9078\u64c7\u7528\u65b0\u503c\u66f4\u65b0\u73fe\u6709\u6587\u6a94\uff0c\u6216\u8005\u5b8c\u5168\u522a\u9664\u91cd\u8907\u6587\u6a94\u3002<\/p>\n

3. \u66f4\u65b0\u73fe\u6709\u6587\u6a94<\/h3>\n

\u5982\u679c\u60a8\u9078\u64c7\u66f4\u65b0\u73fe\u6709\u6587\u6a94\uff0c\u53ef\u4ee5\u4f7f\u7528\u66f4\u65b0\u64cd\u4f5c\u4f86\u4fee\u6539\u91cd\u8907\u9375\u5b57\u6bb5\u7684\u503c\u3002\u78ba\u4fdd\u9078\u64c7\u4e0d\u8207\u96c6\u5408\u4e2d\u7684\u5176\u4ed6\u6587\u6a94\u885d\u7a81\u7684\u552f\u4e00\u503c\u3002<\/p>\n

db.users.update(\r\n   { email: \"duplicate@example.com\" },\r\n   { $set: { email: \"newemail@example.com\" } }\r\n)\r\n<\/code><\/pre>\n
4. \u522a\u9664\u91cd\u8907\u6587\u6a94<\/h3>\n
\u5982\u679c\u60a8\u6c7a\u5b9a\u522a\u9664\u91cd\u8907\u6587\u6a94\uff0c\u53ef\u4ee5\u4f7f\u7528\u522a\u9664\u64cd\u4f5c\u5c07\u5176\u5f9e\u96c6\u5408\u4e2d\u522a\u9664\u3002<\/p>\n
db.users.remove({ email: \"duplicate@example.com\" })\r\n<\/code><\/pre>\n
5. \u91cd\u5efa\u552f\u4e00\u7d22\u5f15<\/h3>\n
\u5728\u89e3\u6c7a\u91cd\u8907\u9375\u554f\u984c\u5f8c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u5efa\u552f\u4e00\u7d22\u5f15\u4ee5\u78ba\u4fdd\u5176\u5b8c\u6574\u6027\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u522a\u9664\u73fe\u6709\u7d22\u5f15\u4e26\u91cd\u65b0\u5275\u5efa\u5b83\u4f86\u505a\u5230\u9019\u4e00\u9ede\u3002<\/p>\n
db.users.dropIndex(\"email_1\")\r\ndb.users.createIndex({ email: 1 }, { unique: true })\r\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u932f\u8aa4\u78bc – 11000\uff0c\u5373DuplicateKey\u932f\u8aa4\uff0c\u662f\u5728MongoDB\u4e2d\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u9055\u53cd\u552f\u4e00\u7d22\u5f15\u7d04\u675f\u7684\u6587\u6a94\u6642\u5e38\u898b\u7684\u554f\u984c\u3002\u901a\u904e\u9075\u5faa\u672c\u6587\u4e2d\u6982\u8ff0\u7684\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u78ba\u5b9a\u91cd\u8907\u9375\uff0c\u6c7a\u5b9a\u9069\u7576\u7684\u884c\u52d5\u4e26\u89e3\u6c7a\u932f\u8aa4\u3002\u8acb\u8a18\u4f4f\uff0c\u59cb\u7d42\u78ba\u4fdd\u552f\u4e00\u7d22\u5f15\u7684\u5b8c\u6574\u6027\uff0c\u4ee5\u7dad\u8b77MongoDB\u96c6\u5408\u4e2d\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002<\/p>\n
\u6709\u95dcVPS\u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8acb\u8a2a\u554fServer.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u78bc &...<\/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-21954","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21954","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=21954"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21954\/revisions"}],"predecessor-version":[{"id":23360,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21954\/revisions\/23360"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}