{"id":200519,"date":"2025-05-06T10:33:14","date_gmt":"2025-05-06T02:33:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200519\/"},"modified":"2025-05-06T10:33:14","modified_gmt":"2025-05-06T02:33:14","slug":"mysql-json-%e5%ad%97%e6%ae%b5%ef%bc%9a%e5%a6%82%e4%bd%95%e4%b8%8e-b-%e6%a0%91%e5%85%b1%e5%ad%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200519\/","title":{"rendered":"MySQL JSON \u5b57\u6bb5\uff1a\u5982\u4f55\u4e0e B+ \u6811\u5171\u5b58\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL JSON \u5b57\u6bb5\uff1a\u5982\u4f55\u4e0e B+ \u6811\u5171\u5b58\uff1f<\/h1>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241107\/1730958178672c53623b48d.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>MySQL JSON \u5b57\u6bb5\uff1a\u8fd0\u4f5c\u673a\u5236\u4e0e B+ \u6811\u6574\u5408<\/strong><\/p>\n<p>MySQL \u4e2d\u7684 JSON \u5b57\u6bb5\u7c7b\u578b\u91c7\u7528\u7c7b\u4f3c JSONPath \u8bed\u6cd5\u5b9e\u73b0\uff0c\u5b58\u50a8\u65f6\u952e\u503c\u6709\u5e8f\uff0c\u4f18\u5316\u4e86\u8bfb\u53d6\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u5e95\u5c42\u4ecd\u4fdd\u5b58\u4e3a\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u683c\u5f0f\uff0c\u800c\u975e\u5b8c\u6574\u5e8f\u5217\u5316\u4e3a JSON \u5bf9\u8c61\u3002<\/p>\n<p><strong>B+ \u6811\u6574\u5408<\/strong><\/p>\n<p>MySQL \u672a\u5c06 JSON \u5b57\u6bb5\u7279\u6b8a\u5b58\u50a8\u5728 B+ \u6811\u4e2d\u3002\u76f8\u53cd\uff0cJSON \u5b57\u6bb5\u4ee5\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u5f62\u5f0f\u5b58\u50a8\uff0c\u5e76\u50cf\u666e\u901a\u5b57\u7b26\u4e32\u4e00\u6837\u53c2\u4e0e B+ \u6811\u7d22\u5f15\u3002<\/p>\n<p><strong>\u4e0e MongoDB \u7684\u5bf9\u6bd4<\/strong><\/p>\n<p>MongoDB \u4f7f\u7528 BSON \u683c\u5f0f\u5b58\u50a8\u6587\u6863\uff0c\u5b83\u4e0e JSON \u9ad8\u5ea6\u517c\u5bb9\u3002\u4e0e MySQL \u4e0d\u540c\uff0cMongoDB \u91c7\u7528\u7684\u662f\u6587\u6863\u6570\u636e\u5e93\u6a21\u578b\uff0c\u5176\u4e2d\u6587\u6863\u5b58\u50a8\u5728\u96c6\u5408\u4e2d\uff0c\u5e76\u4e14\u652f\u6301\u66f4\u7075\u6d3b\u7684\u67e5\u8be2\u65b9\u5f0f\u3002<\/p>\n<p><strong>\u4f7f\u7528 JSON \u5b57\u6bb5\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>MySQL \u4e2d\u4f7f\u7528 JSON \u5b57\u6bb5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u8f7b\u677e\u5b58\u50a8\u548c\u5904\u7406\u975e\u7ed3\u6784\u5316\u6570\u636e\u3002\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u5c06\u5927\u578b\u6216\u6df1\u5ea6\u5d4c\u5957\u7684 JSON \u5bf9\u8c61\u5b58\u50a8\u5728 JSON \u5b57\u6bb5\u4e2d\u3002<\/li>\n<li>\u5982\u679c JSON \u5b57\u6bb5\u4e3b\u8981\u7528\u4e8e\u8f93\u51fa\uff0c\u5219\u8003\u8651\u4f7f\u7528\u6587\u672c\u5b57\u6bb5\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aMySQL JSON \u5b57\u6bb5\uff1a\u5982\u4f55\u4e0e B+ \u6811\u5171\u5b58\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL JSON 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