{"id":471,"date":"2024-12-22T14:48:08","date_gmt":"2024-12-22T06:48:08","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=471"},"modified":"2025-04-20T19:42:02","modified_gmt":"2025-04-20T11:42:02","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%e5%b8%b8%e4%bc%9a%e9%97%ae%e4%b8%ba%e4%bb%80%e4%b9%88-innodb-%e5%ad%98%e5%82%a8%e5%bc%95%e6%93%8e%e6%8e%a8%e8%8d%90%e4%bd%bf%e7%94%a8%e8%87%aa%e5%a2%9e%ef%bc%88auto_increme","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/22\/%e9%9d%a2%e8%af%95%e5%ae%98%e5%b8%b8%e4%bc%9a%e9%97%ae%e4%b8%ba%e4%bb%80%e4%b9%88-innodb-%e5%ad%98%e5%82%a8%e5%bc%95%e6%93%8e%e6%8e%a8%e8%8d%90%e4%bd%bf%e7%94%a8%e8%87%aa%e5%a2%9e%ef%bc%88auto_increme\/","title":{"rendered":"\u9762\u8bd5\u5b98\u5e38\u4f1a\u95ee\u4e3a\u4ec0\u4e48 InnoDB \u5b58\u50a8\u5f15\u64ce\u63a8\u8350\u4f7f\u7528\u81ea\u589e\uff08AUTO_INCREMENT\uff09ID\u4f5c\u4e3a\u4e3b\u952e\uff0c\u8be5\u600e\u4e48\u56de\u7b54\uff1f"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5728\u9762\u8bd5\u4e2d\uff0c\u9762\u8bd5\u5b98\u5e38\u4f1a\u95ee\u4e3a\u4ec0\u4e48 InnoDB \u5b58\u50a8\u5f15\u64ce\u63a8\u8350\u4f7f\u7528\u81ea\u589e\uff08<code>AUTO_INCREMENT<\/code>\uff09ID\u4f5c\u4e3a\u4e3b\u952e\uff0c\u5c24\u5176\u662f\u5728\u8bbe\u8ba1\u6570\u636e\u5e93\u65f6\u3002\u8fd9\u4e2a\u95ee\u9898\u7684\u6838\u5fc3\u662f\u4e86\u89e3 <strong>InnoDB \u7684\u5185\u90e8\u5de5\u4f5c\u673a\u5236<\/strong> \u548c <strong>\u81ea\u589e\u4e3b\u952e\u7684\u4f18\u52bf<\/strong>\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4f1a\u8be6\u7ec6\u8bb2\u89e3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u9762\u8bd5\u4e2d\u7684\u6700\u4f73\u56de\u7b54\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>InnoDB \u4e3a\u4ec0\u4e48\u63a8\u8350\u4f7f\u7528\u81ea\u589e\u4e3b\u952e<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1.1 <strong>InnoDB \u5b58\u50a8\u5f15\u64ce\u7684\u5185\u90e8\u5b9e\u73b0<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">InnoDB \u5b58\u50a8\u5f15\u64ce\u662f\u57fa\u4e8e <strong>\u805a\u7c07\u7d22\u5f15<\/strong>\uff08Clustered Index\uff09\u5b9e\u73b0\u7684\u3002\u8fd9\u610f\u5473\u7740\u8868\u4e2d\u7684\u6570\u636e\u6309\u4e3b\u952e\u7684\u987a\u5e8f\u5b58\u50a8\u5728\u6570\u636e\u9875\u4e2d\u3002<strong>\u4e3b\u952e\uff08primary key\uff09<\/strong> \u51b3\u5b9a\u4e86\u6570\u636e\u5728\u5b58\u50a8\u4e2d\u7684\u7269\u7406\u6392\u5217\uff0c\u56e0\u6b64\u5b83\u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u626e\u6f14\u7740\u975e\u5e38\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u805a\u7c07\u7d22\u5f15<\/strong>\uff1a\u5728 InnoDB \u4e2d\uff0c\u6570\u636e\u884c\u5e76\u4e0d\u5355\u72ec\u5b58\u50a8\uff0c\u800c\u662f\u4e0e\u4e3b\u952e\u7d22\u5f15\u4e00\u8d77\u5b58\u50a8\u5728\u540c\u4e00\u4e2a\u6570\u636e\u9875\u4e2d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8868\u7684 <strong>\u6570\u636e\u5b58\u50a8<\/strong> \u662f\u6309\u4e3b\u952e\u7684\u987a\u5e8f\u7ec4\u7ec7\u7684\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u5b58\u50a8\u5728\u5176\u4ed6\u5730\u65b9\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u589e ID \u7684\u4f18\u52bf<\/strong>\uff1a\u4f7f\u7528 <strong>\u81ea\u589e ID \u4f5c\u4e3a\u4e3b\u952e<\/strong> \u4f1a\u4f7f\u5f97\u65b0\u63d2\u5165\u7684\u6570\u636e\u5177\u6709\u987a\u5e8f\u6027\u3002\u8fd9\u6837\uff0c\u5728 <strong>\u63d2\u5165\u65b0\u6570\u636e\u65f6<\/strong>\uff0c\u6570\u636e\u4f1a\u987a\u5e8f\u5199\u5165\u6570\u636e\u5e93\u7684\u672b\u5c3e\uff0c\u907f\u514d\u4e86\u63d2\u5165\u64cd\u4f5c\u5f15\u8d77\u7684\u9891\u7e41\u9875\u5206\u88c2\uff0c\u51cf\u5c11\u4e86 I\/O \u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.2 <strong>\u81ea\u589e\u4e3b\u952e\u7684\u4f18\u52bf<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u987a\u5e8f\u6027\u51cf\u5c11\u4e86\u9875\u5206\u88c2<\/strong>\uff1a\u81ea\u589e ID \u4e3b\u952e\u7684\u987a\u5e8f\u6027\u610f\u5473\u7740\u65b0\u7684\u8bb0\u5f55\u603b\u662f\u4f1a\u88ab\u63d2\u5165\u5230\u4e3b\u952e\u7d22\u5f15\u7684\u672b\u5c3e\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u56e0\u63d2\u5165\u5bfc\u81f4\u7684\u9875\u5206\u88c2\u3002<strong>\u9875\u5206\u88c2<\/strong> \u4f1a\u5e26\u6765\u6027\u80fd\u5f00\u9500\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u63d2\u5165\u7684\u60c5\u51b5\u4e0b\u3002\u987a\u5e8f\u7684\u81ea\u589e ID \u53ef\u4ee5\u907f\u514d\u8fd9\u4e00\u95ee\u9898\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u63d0\u5347\u63d2\u5165\u6027\u80fd<\/strong>\uff1a\u7531\u4e8e\u63d2\u5165\u64cd\u4f5c\u662f\u6309\u987a\u5e8f\u8fdb\u884c\u7684\uff0c\u6570\u636e\u9875\u7684\u7a7a\u95f4\u4f7f\u7528\u66f4\u9ad8\u6548\uff0c\u4e0d\u9700\u8981\u9891\u7e41\u5730\u91cd\u65b0\u7ec4\u7ec7\u6570\u636e\uff0c\u6027\u80fd\u6bd4\u4e71\u5e8f\u63d2\u5165\u8981\u597d\u5f97\u591a\u3002<\/li>\n\n\n\n<li><strong>\u66f4\u597d\u7684 B+ \u6811\u7ed3\u6784\u4f18\u5316<\/strong>\uff1aInnoDB \u4f7f\u7528 B+ \u6811\u7ed3\u6784\u6765\u5b58\u50a8\u805a\u7c07\u7d22\u5f15\uff0cB+ \u6811\u9002\u5408\u987a\u5e8f\u63d2\u5165\u3002\u81ea\u589e\u4e3b\u952e\u80fd\u591f\u5e2e\u52a9\u4fdd\u6301 B+ \u6811\u7684\u5e73\u8861\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">1.3 <strong>\u81ea\u589e ID \u7684\u5176\u4ed6\u4f18\u52bf<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u552f\u4e00\u6027<\/strong>\uff1a\u81ea\u589e ID \u672c\u8eab\u5c31\u662f\u552f\u4e00\u7684\uff0c\u80fd\u591f\u5f88\u597d\u5730\u4f5c\u4e3a\u4e3b\u952e\u3002<\/li>\n\n\n\n<li><strong>\u7b80\u6d01\u6027<\/strong>\uff1a\u81ea\u589e\u4e3b\u952e\u975e\u5e38\u7b80\u5355\uff0c\u907f\u514d\u4e86\u590d\u6742\u7684\u590d\u5408\u4e3b\u952e\u8bbe\u8ba1\u3002<\/li>\n\n\n\n<li><strong>\u907f\u514d\u4e1a\u52a1\u903b\u8f91\u7684\u5e72\u6270<\/strong>\uff1a\u6709\u4e9b\u4e1a\u52a1\u4e2d\u4f1a\u6d89\u53ca\u5230\u590d\u5408\u4e3b\u952e\uff08\u4f8b\u5982\u591a\u5217\u4e3b\u952e\uff09\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f15\u5165\u590d\u6742\u6027\u3002\u4f7f\u7528\u81ea\u589e\u4e3b\u952e\u907f\u514d\u4e86\u8fd9\u79cd\u590d\u6742\u6027\uff0c\u80fd\u591f\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u4e0d\u4f7f\u7528\u81ea\u589e\u4e3b\u952e\u7684\u98ce\u9669\u4e0e\u6311\u6218<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u63d2\u5165\u6027\u80fd\u4f4e<\/strong>\uff1a\u5982\u679c\u4e0d\u4f7f\u7528\u81ea\u589e\u4e3b\u952e\uff0c\u800c\u662f\u9009\u62e9\u5176\u4ed6\u5b57\u6bb5\uff08\u5982 UUID\u3001\u65f6\u95f4\u6233\u7b49\uff09\u4f5c\u4e3a\u4e3b\u952e\uff0c\u8fd9\u4e9b\u5b57\u6bb5\u901a\u5e38\u4f1a\u5728\u8868\u4e2d\u4ea7\u751f\u4e71\u5e8f\u63d2\u5165\u3002\u4e71\u5e8f\u63d2\u5165\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684\u9875\u5206\u88c2\uff0c\u4ece\u800c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n\n\n\n<li><strong>\u7d22\u5f15\u6027\u80fd\u95ee\u9898<\/strong>\uff1a\u5982\u679c\u4f7f\u7528\u4e0d\u89c4\u5219\u7684\u5b57\u6bb5\u4f5c\u4e3a\u4e3b\u952e\uff08\u5982 UUID\uff09\uff0c\u7d22\u5f15\u7684\u7ef4\u62a4\u4f1a\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u4e14\u6027\u80fd\u8f83\u5dee\u3002UUID \u901a\u5e38\u6bd4\u81ea\u589e ID \u66f4\u5927\uff0c\u4e14\u6ca1\u6709\u987a\u5e8f\u6027\uff0c\u4f1a\u4f7f\u5f97\u7d22\u5f15\u6811\u53d8\u5f97\u4e0d\u5e73\u8861\uff0c\u4ece\u800c\u5f71\u54cd\u67e5\u8be2\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>\u590d\u5408\u4e3b\u952e\u7684\u590d\u6742\u6027<\/strong>\uff1a\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u4f1a\u7528\u591a\u4e2a\u5b57\u6bb5\u7ec4\u5408\u6210\u590d\u5408\u4e3b\u952e\uff0c\u4f46\u8fd9\u4f1a\u589e\u52a0\u67e5\u8be2\u65f6\u7684\u590d\u6742\u6027\uff0c\u4e5f\u53ef\u80fd\u5f71\u54cd\u6027\u80fd\u3002\u800c\u81ea\u589e\u4e3b\u952e\u901a\u5e38\u975e\u5e38\u7b80\u6d01\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u9762\u8bd5\u4e2d\u5982\u4f55\u56de\u7b54<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9762\u8bd5\u4e2d\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u65f6\uff0c\u4f60\u9700\u8981\u7a81\u51fa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>InnoDB \u662f\u57fa\u4e8e\u805a\u7c07\u7d22\u5f15\u7684<\/strong>\uff0c\u4e3b\u952e\u51b3\u5b9a\u4e86\u6570\u636e\u5728\u78c1\u76d8\u4e0a\u7684\u5b58\u50a8\u987a\u5e8f\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u589e ID \u4e3b\u952e\u63d0\u4f9b\u4e86\u987a\u5e8f\u6027<\/strong>\uff0c\u987a\u5e8f\u7684\u63d2\u5165\u64cd\u4f5c\u53ef\u4ee5\u51cf\u5c11\u9875\u5206\u88c2\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u589e\u4e3b\u952e\u907f\u514d\u4e86\u4e71\u5e8f\u63d2\u5165\u548c\u7d22\u5f15\u6811\u4e0d\u5e73\u8861<\/strong>\uff0c\u786e\u4fdd\u67e5\u8be2\u6027\u80fd\u7684\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u589e\u4e3b\u952e\u5177\u6709\u7b80\u6d01\u6027\u548c\u552f\u4e00\u6027<\/strong>\uff0c\u5b83\u7b80\u5355\u6613\u7528\uff0c\u5e76\u4e14\u53ef\u4ee5\u907f\u514d\u56e0\u4e1a\u52a1\u903b\u8f91\u5e26\u6765\u7684\u590d\u6742\u6027\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u4f7f\u7528\u81ea\u589e\u4e3b\u952e\u7684\u98ce\u9669<\/strong>\uff1a\u5982\u679c\u4f7f\u7528 UUID \u6216\u5176\u4ed6\u4e0d\u89c4\u5219\u7684\u5b57\u6bb5\u4f5c\u4e3a\u4e3b\u952e\uff0c\u4f1a\u5e26\u6765\u6027\u80fd\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u5e76\u53d1\u63d2\u5165\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684\u9875\u5206\u88c2\uff0c\u5f71\u54cd\u6574\u4f53\u6027\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u793a\u4f8b\u56de\u7b54<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b80\u6d01\u7248\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;InnoDB \u5b58\u50a8\u5f15\u64ce\u91c7\u7528\u805a\u7c07\u7d22\u5f15\uff0c\u6570\u636e\u884c\u6309\u7167\u4e3b\u952e\u7684\u987a\u5e8f\u5b58\u50a8\u5728\u6570\u636e\u9875\u4e2d\u3002\u4f7f\u7528\u81ea\u589e ID \u4f5c\u4e3a\u4e3b\u952e\uff0c\u80fd\u591f\u786e\u4fdd\u6570\u636e\u6309\u987a\u5e8f\u63d2\u5165\uff0c\u51cf\u5c11\u4e86\u9875\u5206\u88c2\uff0c\u63d0\u9ad8\u4e86\u63d2\u5165\u6027\u80fd\u3002\u81ea\u589e\u4e3b\u952e\u7684\u987a\u5e8f\u6027\u6709\u52a9\u4e8e\u4fdd\u6301 B+ \u6811\u7684\u5e73\u8861\uff0c\u4ece\u800c\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002\u800c\u50cf UUID \u7b49\u4e0d\u89c4\u5219\u7684\u4e3b\u952e\u4f1a\u5bfc\u81f4\u4e71\u5e8f\u63d2\u5165\uff0c\u589e\u52a0\u9875\u5206\u88c2\u7684\u98ce\u9669\uff0c\u964d\u4f4e\u6570\u636e\u5e93\u6027\u80fd\u3002\u56e0\u6b64\uff0cInnoDB \u63a8\u8350\u4f7f\u7528\u81ea\u589e ID \u4f5c\u4e3a\u4e3b\u952e\u3002&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8be6\u7ec6\u7248\u56de\u7b54\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;InnoDB \u5b58\u50a8\u5f15\u64ce\u4f7f\u7528\u805a\u7c07\u7d22\u5f15\uff0c\u6570\u636e\u884c\u662f\u4e0e\u4e3b\u952e\u7d22\u5f15\u4e00\u8d77\u5b58\u50a8\u7684\u3002\u81ea\u589e ID 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