{"id":178764,"date":"2024-11-08T20:42:20","date_gmt":"2024-11-08T12:42:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178764\/"},"modified":"2024-11-08T20:42:21","modified_gmt":"2024-11-08T12:42:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a22030-duplicate_json_object_key_value%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178764\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22030 – duplicate_json_object_key_value\uff1f"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a22030 – duplicate_json_object_key_value<\/h1>\n

\u5728\u4f7f\u7528PostgreSQL\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc22030\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728JSON\u5c0d\u8c61\u4e2d\u51fa\u73fe\u4e86\u91cd\u8907\u7684\u9375\u503c\u3002\u9019\u7a2e\u60c5\u6cc1\u6703\u5c0e\u81f4\u6578\u64da\u7121\u6cd5\u6b63\u78ba\u63d2\u5165\u6216\u66f4\u65b0\uff0c\u5f9e\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u4ee3\u78bc22030\u7684\u6210\u56e0<\/h2>\n

PostgreSQL\u7684JSON\u6578\u64da\u985e\u578b\u5141\u8a31\u7528\u6236\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\uff0c\u4f46\u5728\u63d2\u5165\u6216\u66f4\u65b0JSON\u5c0d\u8c61\u6642\uff0c\u5982\u679c\u5c0d\u8c61\u4e2d\u5305\u542b\u91cd\u8907\u7684\u9375\uff0c\u5247\u6703\u5f15\u767c22030\u932f\u8aa4\u3002\u9019\u662f\u56e0\u70baJSON\u5c0d\u8c61\u7684\u9375\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u91cd\u8907\u7684\u9375\u6703\u5c0e\u81f4\u6578\u64da\u7684\u4e0d\u4e00\u81f4\u6027\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4ee5\u4e0bJSON\u5c0d\u8c61\u5c07\u5f15\u767c\u932f\u8aa4\uff1a<\/p>\n

{\n    \"name\": \"Alice\",\n    \"age\": 30,\n    \"age\": 25\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c”age”\u9375\u88ab\u91cd\u8907\u5b9a\u7fa9\uff0c\u9019\u5c07\u5c0e\u81f4PostgreSQL\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u8a72\u5c0d\u8c61\u3002<\/p>\n
\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc22030<\/h2>\n
\u4fee\u5fa9\u6b64\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u6aa2\u67e5\u5c0e\u81f4\u554f\u984c\u7684JSON\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
1. \u6aa2\u67e5\u4e26\u79fb\u9664\u91cd\u8907\u7684\u9375<\/h3>\n
\u5728\u63d2\u5165\u6216\u66f4\u65b0JSON\u6578\u64da\u4e4b\u524d\uff0c\u61c9\u4ed4\u7d30\u6aa2\u67e5\u6578\u64da\u7d50\u69cb\uff0c\u78ba\u4fdd\u6bcf\u500b\u9375\u90fd\u662f\u552f\u4e00\u7684\u3002\u53ef\u4ee5\u4f7f\u7528JSON\u9a57\u8b49\u5de5\u5177\u4f86\u6aa2\u67e5JSON\u683c\u5f0f\u7684\u6b63\u78ba\u6027\u3002<\/p>\n
2. \u4f7f\u7528JSONB\u6578\u64da\u985e\u578b<\/h3>\n
PostgreSQL\u63d0\u4f9b\u4e86JSONB\u6578\u64da\u985e\u578b\uff0c\u9019\u662f\u4e00\u7a2e\u4e8c\u9032\u5236\u683c\u5f0f\u7684JSON\uff0c\u80fd\u5920\u81ea\u52d5\u8655\u7406\u91cd\u8907\u9375\u7684\u60c5\u6cc1\u3002\u7576\u63d2\u5165\u91cd\u8907\u9375\u6642\uff0cJSONB\u6703\u4fdd\u7559\u6700\u5f8c\u4e00\u500b\u9375\u7684\u503c\uff0c\u800c\u5ffd\u7565\u4e4b\u524d\u7684\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d22030\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n
\u4f8b\u5982\uff0c\u4f7f\u7528JSONB\u63d2\u5165\u6578\u64da\uff1a<\/p>\n
INSERT INTO users (data) VALUES ('{\"name\": \"Alice\", \"age\": 30, \"age\": 25}'::jsonb);\n<\/code><\/pre>\n
\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u6700\u7d42\u5b58\u5132\u7684\u6578\u64da\u5c07\u662f\uff1a<\/p>\n
{\n    \"name\": \"Alice\",\n    \"age\": 25\n}\n<\/code><\/pre>\n
3. \u4f7f\u7528\u6578\u7d44\u6216\u5d4c\u5957\u5c0d\u8c61<\/h3>\n
\u5982\u679c\u9700\u8981\u5b58\u5132\u91cd\u8907\u7684\u9375\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6578\u7d44\u6216\u5d4c\u5957\u5c0d\u8c61\u4f86\u7d44\u7e54\u6578\u64da\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u91cd\u8907\u7684\u503c\u653e\u5165\u6578\u7d44\u4e2d\uff1a<\/p>\n
{\n    \"name\": \"Alice\",\n    \"ages\": [30, 25]\n}\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
PostgreSQL\u932f\u8aa4\u4ee3\u78bc22030\u901a\u5e38\u662f\u7531\u65bcJSON\u5c0d\u8c61\u4e2d\u5b58\u5728\u91cd\u8907\u7684\u9375\u503c\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u3001\u4f7f\u7528JSONB\u6578\u64da\u985e\u578b\u6216\u6539\u8b8a\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9019\u4e9b\u554f\u984c\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u9019\u5c07\u6709\u52a9\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc22030\uff1aduplicate_json_object_key_value\uff0c\u89e3\u6c7aJSON\u5c0d\u8c61\u9375\u503c\u91cd\u8907\u554f\u984c\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178764","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178764","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178764"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178764\/revisions"}],"predecessor-version":[{"id":178765,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178764\/revisions\/178765"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}