{"id":170,"date":"2021-10-12T21:29:00","date_gmt":"2021-10-12T13:29:00","guid":{"rendered":"https:\/\/chenqinghe.com\/?p=170"},"modified":"2022-02-24T10:14:23","modified_gmt":"2022-02-24T02:14:23","slug":"%e8%ae%b0%e4%b8%80%e6%ac%a1%e6%96%b0%e8%80%81%e7%b3%bb%e7%bb%9f%e6%95%b0%e6%8d%ae%e8%bf%81%e7%a7%bb%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/chenqinghe.com\/?p=170","title":{"rendered":"\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b"},"content":{"rendered":"<p>\u672c\u6587\u662f\u5bf9\u4e00\u6b21\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u7684\u8be6\u7ec6\u8bb0\u5f55\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u80cc\u666f<\/h2>\n<p>\u7cfb\u7edf\u91cd\u6784\u4e86\u4ee5\u540e\uff0c\u9700\u8981\u628a\u8001\u6570\u636e\u8fc1\u79fb\u81f3\u65b0\u7cfb\u7edf\uff0c\u5e76\u4e14\u8001\u7cfb\u7edf\u4ecd\u7136\u9700\u8981\u6301\u7eed\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u6765\u8fdb\u884c\u8fc7\u6e21\uff0c\u671f\u95f4\u7684\u4ea7\u751f\u7684\u6570\u636e\u4e5f\u8981\u4fdd\u6301\u540c\u6b65\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u4e1a\u52a1\u539f\u56e0\uff0c\u65b0\u7cfb\u7edf\u4ea7\u751f\u7684\u90e8\u5206\u6570\u636e\u4e5f\u8981\u540c\u6b65\u56de\u8001\u7cfb\u7edf\uff0c\u8fd9\u6837\u624d\u80fd\u4fdd\u8bc1\u8001\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u56e0\u6b64\uff0c\u4e1a\u52a1\u9700\u6c42\u603b\u7ed3\u4e0b\u6765\u5c31\u662f\u4ee5\u4e0b\u4e09\u70b9\uff1a<\/p>\n<ol start=\"0\">\n<li>\uff08\u524d\u63d0\u6761\u4ef6\uff09\u65b0\u8001\u7cfb\u7edf\u8868\u7ed3\u6784\u5b8c\u5168\u4e0d\u4e00\u6837<\/li>\n<li>\u8001\u7cfb\u7edf\u5168\u90e8\u6570\u636e\u540c\u6b65\u81f3\u65b0\u7cfb\u7edf\uff08\u5168\u91cf\u540c\u6b65\uff09<\/li>\n<li>\u8001\u7cfb\u7edf\u65b0\u4ea7\u751f\u7684\u6570\u636e\u4e5f\u8981\u540c\u6b65\u81f3\u65b0\u7cfb\u7edf\uff08\u589e\u91cf\u540c\u6b65\uff09<\/li>\n<li>\u65b0\u7cfb\u7edf\u4ea7\u751f\u7684\u90e8\u5206\u6570\u636e\u4e5f\u8981\u540c\u6b65\u81f3\u8001\u7cfb\u7edf\uff08\u589e\u91cf\u540c\u6b65\uff09<\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\">\u65b9\u6848\u786e\u5b9a<\/h2>\n<p>\u5168\u91cf\u540c\u6b65\u5176\u5b9e\u6ca1\u5565\u597d\u8bf4\u7684\uff0c\u53ea\u80fd\u5168\u90e8\u67e5\u51fa\u6765\u7136\u540e\u4e00\u4e00\u8fdb\u884c\u5bfc\u5165\u3002<\/p>\n<p>\u6700\u521d\u786e\u5b9a\u589e\u91cf\u540c\u6b65\u65b9\u6848\u65f6\u4e3b\u8981\u6709\u4e24\u79cd\uff1a<\/p>\n<ul>\n<li>\u65b9\u6848\u4e00\uff1ahook\u8001\u7cfb\u7edf\u8bf7\u6c42\u63a5\u53e3\uff0c\u5728\u8001\u7cfb\u7edf\u6536\u5230\u8bf7\u6c42\u65f6\uff0c\u5c06\u6570\u636e\u8fdb\u884c\u6574\u5408\u540e\u5bfc\u5165\u65b0\u7cfb\u7edf\u3002<\/li>\n<li>\u65b9\u6848\u4e8c\uff1a\u5b9a\u65f6\u8f6e\u8be2\u6570\u636e\u5e93\uff0c\u6709\u65b0\u589e\u6570\u636e\u65f6\u8fdb\u884c\u540c\u6b65\u3002<\/li>\n<\/ul>\n<p>\u65b9\u6848\u4e00\u5f88\u5feb\u5c31\u88ab\u5426\u5b9a\u4e86\uff0c\u56e0\u6b64\u7f3a\u70b9\u5b9e\u5728\u592a\u591a\u4e86\u30021. \u5bf9\u539f\u7cfb\u7edf\u4fb5\u5165\u6027\u592a\u5927\uff0c\u9700\u8981\u6539\u539f\u7cfb\u7edf\u7684\u4ee3\u7801\u30022.\u8bf7\u6c42\u63a5\u53e3\u548c\u6570\u636e\u8868\u4e0d\u4e00\u5b9a\u80fd\u4e00\u4e00\u5bf9\u5e94\uff0c\u6709\u7684\u63a5\u53e3\u53ef\u80fd\u8981\u4fee\u6539\u591a\u4e2a\u8868\uff0c\u6709\u7684\u65f6\u5019\u591a\u4e2a\u63a5\u53e3\u4fee\u6539\u540c\u4e00\u4e2a\u8868\u3002\u6539\u9020\u7684\u65f6\u5019\u6bd4\u8f83\u590d\u6742\uff0c\u5fc3\u667a\u8d1f\u62c5\u8f83\u91cd\u30023.\u8bf7\u6c42\u6570\u636e\u5408\u6cd5\u6027\u8981\u6821\u9a8c\uff0c\u6821\u9a8c\u901a\u8fc7\u65f6\u624d\u5141\u8bb8\u540c\u6b65\uff0c\u8fd9\u6837\u6570\u636e\u6821\u9a8c\u7684\u4ee3\u7801\u5c31\u8981\u91cd\u65b0\u518d\u5199\u4e00\u904d\u30024.\u53ef\u80fd\u4f1a\u5f71\u54cd\u539f\u6765\u63a5\u53e3\u7684\u54cd\u5e94\u65f6\u95f4\u3002\u5982\u679c\u540c\u6b65\u5904\u7406\uff0c\u90a3\u4e48\u4e00\u5b9a\u4f1a\u5f71\u54cd\u5230\u54cd\u5e94\u65f6\u95f4\uff0c\u5982\u679c\u5f02\u6b65\u5904\u7406\uff0c\u5219\u53ef\u80fd\u5b58\u5728\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\u3002\u5982\u679c\u901a\u8fc7\u6d88\u606f\u961f\u5217\u8fdb\u884c\u5904\u7406\uff0c\u90a3\u524d\u9762\u4e09\u70b9\u95ee\u9898\u4ecd\u7136\u4e0d\u80fd\u89e3\u51b3\uff0c\u5e76\u4e14\u989d\u5916\u589e\u52a0\u7cfb\u7edf\u590d\u6742\u5ea6\u30025.\u4e0d\u597d\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff0c\u53ef\u80fd\u8001\u7cfb\u7edf\u6570\u636e\u6210\u529f\u63d2\u5165\uff0c\u4f46\u662f\u65b0\u7cfb\u7edf\u63d2\u5165\u5931\u8d25\uff0c\u8fd9\u79cd\u60c5\u51b5\u9664\u4e86\u8bb0\u65e5\u5fd7\u6ca1\u522b\u7684\u529e\u6cd5\u4e86\u3002<\/p>\n<p>\u65b9\u6848\u4e8c\u7a0d\u5fae\u9760\u8c31\u70b9\uff0c\u4f46\u662f\u4e5f\u6709\u95ee\u9898\u30021. \u9700\u8981\u8bb0\u5f55\u540c\u6b65\u7684\u8fdb\u5ea6\uff0c\u4ee5\u4fbf\u7a0b\u5e8f\u6302\u4e86\u7684\u65f6\u5019\u80fd\u591f\u4ece\u4e0a\u6b21\u7684\u8fdb\u5ea6\u7ee7\u7eed\u5904\u7406\u30022.\u6570\u636e\u4ea7\u751f\u7684\u9891\u7387\u4e0d\u4e00\u81f4\uff0c\u4e0d\u597d\u786e\u5b9a\u8f6e\u8be2\u65f6\u95f4\u3002\u6709\u7684\u8868\u4ea7\u751f\u6570\u636e\u5f88\u9891\u7e41\uff0c\u9700\u8981\u9891\u7e41\u626b\u63cf\uff0c\u6709\u7684\u8868\u51e0\u4e4e\u5f88\u5c11\u4ea7\u751f\u6570\u636e\uff0c\u5982\u679c\u9891\u7e41\u626b\u63cf\u5219\u7a7a\u8f6c\u51e0\u7387\u8f83\u5927\uff0c\u6bd4\u8f83\u6d6a\u8d39\u30023.\u65b0\u589e\u6570\u636e\u5f88\u597d\u53d1\u73b0\uff0c\u4fee\u6539\u7684\u6570\u636e\u6bd4\u8f83\u96be\u53d1\u73b0\uff0c\u9700\u8981\u6240\u6709\u8868\u90fd\u6709\u66f4\u65b0\u65f6\u95f4\u5b57\u6bb5\uff0c\u5e76\u4e14\u6570\u636e\u66f4\u65b0\u65f6\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u4e5f\u5fc5\u987b\u66f4\u65b0\u3002<\/p>\n<p>\u540e\u6765\u60f3\u5230\u4e86\u65b9\u6848\u4e09\uff0c\u51e0\u4e4e\u5b8c\u7f8e\u89e3\u51b3\u4e86\u4e0a\u9762\u7684\u51e0\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u65b9\u6848\u4e09\uff1a\u901a\u8fc7\u6570\u636e\u5e93\u7684binlog\u8fdb\u884c\u540c\u6b65\u3002<\/p>\n<blockquote class=\"wp-block-quote\">\n<p>Binlog\u662f\u7528\u6765\u8bb0\u5f55Mysql\u5185\u90e8\u5bf9\u6570\u636e\u5e93\u7684\u6539\u52a8\uff08\u53ea\u8bb0\u5f55\u5bf9\u6570\u636e\u7684\u4fee\u6539\u64cd\u4f5c\uff09\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5e93\u7684\u4e3b\u4ece\u590d\u5236\u4ee5\u53ca\u589e\u91cf\u6062\u590d\u3002<\/p>\n<\/blockquote>\n<p>\u6700\u7ec8\u786e\u5b9a\u4e86\u6574\u4f53\u7684\u8fc1\u79fb\u65b9\u6848\uff1a<strong>\u5168\u91cf\u540c\u6b65+binlog\u589e\u91cf\u540c\u6b65<\/strong><\/p>\n<h2 class=\"wp-block-heading\">\u65b9\u6848\u8be6\u60c5<\/h2>\n<p>\u786e\u5b9a\u4e86\u6574\u4f53\u7684\u8fc1\u79fb\u65b9\u6848\u540e\uff0c\u63a5\u4e0b\u6765\u662f\u65b9\u6848\u7684\u4e00\u4e9b\u7ec6\u8282\u3002\u7531\u4e8e\u65b0\u8001\u7cfb\u7edf\u8868\u7ed3\u6784\u5e76\u4e0d\u4e00\u81f4\uff0c\u6240\u4ee5\u5b9e\u9645\u8fc1\u79fb\u8fd8\u662f\u6709\u4e0d\u5c11\u95ee\u9898\u7684\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u5168\u91cf\u540c\u6b65<\/h3>\n<h4 class=\"wp-block-heading\">1. \u6a2a\u5411\u8fc1\u79fb vs \u7eb5\u5411\u8fc1\u79fb<\/h4>\n<p>\u5168\u91cf\u540c\u6b65\u9996\u5148\u8981\u786e\u5b9a\u7684\u95ee\u9898\u5c31\u662f<strong>\u6309\u7167\u4e1a\u52a1\u6a21\u578b\u8fdb\u884c\u8fc1\u79fb\uff08\u6a2a\u5411\uff09<\/strong>&nbsp;\u8fd8\u662f&nbsp;<strong>\u6309\u7167\u6570\u636e\u8868\uff08\u7eb5\u5411\uff09<\/strong>&nbsp;\u8fdb\u884c\u8fc1\u79fb\uff0c\u8fd9\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u65b9\u5411\u3002\u6309\u7167\u4e1a\u52a1\u6a21\u578b\u8fc1\u79fb\u5c31\u662f\u4ece\u4e1a\u52a1\u4e3b\u8981\u6a21\u578b\u5165\u624b\uff0c\u67e5\u8be2\u4e3b\u8981\u6a21\u578b\u6570\u636e\uff0c\u7136\u540e\u4f9d\u6b21\u67e5\u8be2\u6a21\u578b\u5bf9\u5e94\u7684\u5176\u4ed6\u6570\u636e\uff0c\u7136\u540e\u8fc1\u79fb\u8fd9\u4e2a\u6a21\u578b\u76f8\u5173\u7684\u6240\u6709\u6570\u636e\u3002\u6309\u7167\u6570\u636e\u8868\u8fc1\u79fb\u5c31\u662f\u5ffd\u7565\u4e1a\u52a1\u6a21\u578b\uff0c\u76f4\u63a5\u6309\u7167\u67e5\u8be2\u8868\u4e2d\u7684\u6570\u636e\uff0c\u7136\u540e\u4e00\u4e00\u8fc1\u79fb\uff0c\u4e00\u4e2a\u8868\u7684\u5168\u90e8\u6570\u636e\u8fc1\u79fb\u5b8c\u6bd5\u540e\uff0c\u518d\u8fc1\u79fb\u53e6\u5916\u7684\u8868\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\u6765\u8bf4\u3002\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e00\u4e2a\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u53ef\u80fd\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/1d33a5eb-0d74-4276-82b8-32eb72a454fa.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/1d33a5eb-0d74-4276-82b8-32eb72a454fa.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<p>\u6309\u7167\u4e1a\u52a1\u6a21\u578b\u8fdb\u884c\u8fc1\u79fb\u5219\u662f\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/5866fcfd-ae70-4ebc-badd-75213d0f369f.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/5866fcfd-ae70-4ebc-badd-75213d0f369f.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<p>\u9996\u5148\u67e5\u8be2\u5b66\u751f\u4fe1\u606f\uff0c\u7136\u540e\u67e5\u8be2\u8fd9\u4e2a\u5b66\u751f\u5173\u8054\u7684\u73ed\u7ea7\u3001\u6210\u7ee9\u7b49\u4fe1\u606f\uff0c\u7136\u540e\u5c06\u8fd9\u4e2a\u5b66\u751f\u7684\u6240\u6709\u4fe1\u606f\u8fdb\u884c\u8fc1\u79fb\uff0c\u8fc1\u79fb\u5b8c\u6210\u540e\u518d\u5bf9\u4e0b\u4e00\u4e2a\u540c\u5b66\u7684\u4fe1\u606f\u8fdb\u884c\u8fc1\u79fb\u3002\u8fd9\u79cd\u65b9\u5f0f\u662f\u5bf9\u6bcf\u4e2a\u8868\u7684\u5176\u4e2d\u67d0\u4e00\u884c\u6216\u8005\u67d0\u51e0\u884c\u8fdb\u884c\u8fc1\u79fb\uff0c\u56e0\u6b64\u53eb\u6a2a\u5411\u8fc1\u79fb\u3002<\/p>\n<p>\u6309\u7167\u6570\u636e\u8868\u8fc1\u79fb\u662f\u5148\u5c06\u5355\u4e2a\u8868\u7684\u6240\u6709\u6570\u636e\u90fd\u8fc1\u79fb\u5b8c\u6bd5\u540e\u518d\u8fc1\u79fb\u5176\u4ed6\u7684\u8868\uff0c\u56e0\u6b64\u53eb\u7eb5\u5411\u8fc1\u79fb\u3002<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/db13b61e-5a18-432c-8525-cb608efe3667.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/db13b61e-5a18-432c-8525-cb608efe3667.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<p>\u6700\u7ec8\u8fd8\u662f\u9009\u62e9\u4e86\u6309\u7167\u6570\u636e\u8868\u8fc1\u79fb\uff0c\u56e0\u4e3a\u8fd9\u6837\u6570\u636e\u4e0d\u5bb9\u6613\u6709\u9057\u6f0f\uff0c\u800c\u4e14\u8fc1\u79fb\u5185\u5bb9\u8f83\u4e3a\u5355\u4e00\uff0c\u66f4\u4e0d\u5bb9\u6613\u51fa\u9519\u3002\u540c\u65f6\uff0c\u5728\u5bfc\u5165\u51fa\u9519\u65f6\u66f4\u5bb9\u6613\u91cd\u8bd5\u3002<\/p>\n<h4 class=\"wp-block-heading\">2. \u6570\u636e\u5982\u4f55\u8fdb\u884c\u5bf9\u5e94\uff1f<\/h4>\n<p>\u9047\u5230\u7684\u7b2c\u4e8c\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u6570\u636e\u8be5\u5982\u4f55\u8fdb\u884c\u5bf9\u5e94\uff1f<\/p>\n<p>\u8fd8\u4ee5\u4e0a\u9762\u7684\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u4e3a\u4f8b\uff0cstudent_profile\u8868\u4e2did\u4e3a1\u7684\u6570\u636e\u8fc1\u79fb\u81f3\u65b0\u7cfb\u7edf\u4e4b\u540e\uff0cid\u662f\u81ea\u589e\u7684\uff0c\u53ef\u80fd\u548c\u539f\u6765\u7684id\u4e0d\u4e00\u81f4\uff0c\u90a3\u4e48\u5728\u8fc1\u79fbstudent_classes\u8868\u7684\u65f6\u5019\uff0c\u8868\u91cc\u7684student_id\u5b57\u6bb5\u8be5\u5982\u4f55\u83b7\u5f97\uff1f<\/p>\n<p>\u5176\u4e2d\u4e00\u4e2a\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f\u8fc1\u79fbstudent_classes\u8868\u7684\u65f6\u5019\uff0c\u5148\u5728\u8001\u7cfb\u7edf\u4e2d\u67e5\u5230\u5bf9\u5e94\u7684\u5b66\u751f\u4fe1\u606f\uff0c\u7136\u540e\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u518d\u5728\u65b0\u7cfb\u7edf\u4e2d\u67e5\u627e\u5230\u5bf9\u5e94\u7684id\uff0c\u7136\u540e\u5728\u5199\u5165student_classes\u8868\u4e2d\u3002\u4f46\u662f\u8fd9\u6837\u505a\u6709\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u6bcf\u540c\u6b65\u4e00\u6761\u6570\u636e\uff0c\u90fd\u9700\u8981\u8fdb\u884c\u67e5\u8be2\uff0c\u751a\u81f3\u53ef\u80fd\u9700\u8981\u591a\u6b21\u67e5\u8be2\uff0c\u6548\u7387\u592a\u6162\u4e86\u3002<\/li>\n<li>\u5982\u679c\u6570\u636e\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u90a3\u6570\u636e\u91cf\u6bd4\u8f83\u5927\u7684\u8868\u5360\u7528\u7684\u5185\u5b58\u592a\u5927\uff0c\u627f\u53d7\u4e0d\u4e86\u3002<\/li>\n<li>\u5bf9\u6570\u636e\u8868\u7684\u5bfc\u5165\u987a\u5e8f\u8981\u6c42\u6bd4\u8f83\u4e25\u683c\u3002\u5982\u679c\u9700\u8981\u67e5\u8be2\u7684\u6570\u636e\u8fd8\u672a\u5bfc\u5165\uff0c\u90a3\u4e48\u80af\u5b9a\u67e5\u8be2\u4e0d\u5230\u4e86\u3002<\/li>\n<\/ol>\n<p>\u9020\u6210\u8fd9\u4e2a\u95ee\u9898\u7684\u4e3b\u8981\u539f\u56e0\u5c31\u662f\u8fc1\u79fb\u4e4b\u540eid\u91cd\u65b0\u751f\u6210\u4e86\uff0c\u90a3\u5982\u679c\u4fdd\u6301\u539f\u6765\u7684id\u4e0d\u53d8\uff0c\u5c31\u4e0d\u7528\u62c5\u5fc3\u8fd9\u79cd\u95ee\u9898\u4e86\uff0c\u4e5f\u5373<strong>\u5bfc\u5165\u7684\u65f6\u5019\u6307\u5b9aid\u800c\u4e0d\u662f\u81ea\u52a8\u751f\u6210<\/strong>\u5c31\u597d\u4e86\u3002<\/p>\n<p>\u4f46\u662f\u53c8\u4f1a\u9047\u5230\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff0c\u7cfb\u7edf\u91cd\u6784\u4e00\u822c\u4f34\u968f\u7740\u66f4\u9ad8\u7ea7\u7684\u62bd\u8c61\uff0c\u5c06\u539f\u6765\u591a\u4e2a\u4e0d\u540c\u7684\u6a21\u5757\u62bd\u8c61\u4e3a\u66f4\u901a\u7528\u7684\u6982\u5ff5\uff0c\u90a3\u4e48\u8001\u7cfb\u7edf\u7684\u591a\u4e2a\u8868\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u8fc1\u79fb\u81f3\u65b0\u7cfb\u7edf\u7684\u540c\u4e00\u4e2a\u8868\u4e2d\uff0c\u8fd9\u79cd\u60c5\u51b5\u600e\u4e48\u529e\uff1f\u5982\u4e0b\u56fe\uff1a<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/bd625bca-7900-4592-9f96-dee2393a9026.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/bd625bca-7900-4592-9f96-dee2393a9026.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<p>\u8001\u8868\u7684id\u4e5f\u90fd\u662f\u4ece1\u5f00\u59cb\u81ea\u589e\u7684\uff0c\u5e76\u4e14\u81ea\u589e\u6b65\u957f\u5747\u4e3a1\uff0c\u5982\u679c\u4fdd\u6301id\u4e0d\u53d8\u5bfc\u5165\u65b0\u7cfb\u7edf\uff0c\u90a3id\u80af\u5b9a\u4f1a\u91cd\u590d\uff0c\u8fd9\u65f6\u5019\u600e\u4e48\u529e\uff1f<\/p>\n<p>\u60f3\u5230\u7684\u89e3\u51b3\u529e\u6cd5\u5c31\u662f<strong>\u4e3a\u4e0d\u540c\u7684\u8868\u8bbe\u7f6e\u4e0d\u540c\u7684id\u504f\u79fb\u91cf<\/strong>\uff0c\u4eceid\u4ece\u8001\u7cfb\u7edf\u8f6c\u4e3a\u65b0\u7cfb\u7edf\u7684id\u65f6\u52a0\u4e0a\u4e0d\u540c\u7684\u504f\u79fb\u91cf\uff0c\u8fd9\u6837\u5c31\u89e3\u51b3\u4e86id\u51b2\u7a81\u7684\u95ee\u9898\u3002<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/c30bdbd7-2b3e-4f09-a00e-82f25283d3a8.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/c30bdbd7-2b3e-4f09-a00e-82f25283d3a8.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<p>\u5728\u8bbe\u7f6e\u504f\u79fb\u91cf\u7684\u65f6\u5019\u8981\u6ce8\u610f\uff0c\u504f\u79fb\u91cf\u5e94\u5f53\u4e3a\u6570\u636e\u8868\u7684id\u7684\u6700\u5927\u503c\uff0c\u800c\u4e0d\u662f\u6570\u636e\u8868\u7684\u884c\u6570\uff0c\u56e0\u4e3a\u6570\u636e\u8868\u4e2d\u53ef\u80fd\u4f1a\u6709\u6570\u636e\u5220\u9664\u3002\u5f53\u7136\u53ea\u6709\u903b\u8f91\u5220\u9664\u6ca1\u6709\u7269\u7406\u5220\u9664\u7684\u60c5\u51b5\u4e0b\uff0c\u4e24\u8005\u5e94\u5f53\u662f\u4e00\u81f4\u7684\u3002\u5f53\u7136\uff0c\u504f\u79fb\u91cf\u4ec5\u4ec5\u662f\u6570\u636e\u8868id\u7684\u6700\u5927\u503c\u4e5f\u662f\u4e0d\u591f\u7684\uff0c\u56e0\u4e3a\u540e\u7eed\u6570\u636e\u8fd8\u4f1a\u6301\u7eed\u589e\u52a0\uff0c\u589e\u91cf\u540c\u6b65\u7684\u65f6\u5019\u53ef\u80fd\u5c31\u4f1a\u6709\u91cd\u590d\u7684\u60c5\u51b5\u4e86\uff0c\u56e0\u6b64\u8fd8\u8981\u4e3a\u540e\u7eed\u53ef\u80fd\u589e\u52a0\u7684\u6570\u636e\u7559\u4e00\u5b9a\u7684\u4f59\u91cf\u3002<\/p>\n<p>\u540c\u65f6\uff0c\u8fd8\u8981\u8003\u8651\u65b0\u7cfb\u7edf\u672c\u8eab\u5df2\u7ecf\u6709\u4e86\u90e8\u5206\u6570\u636e\u7684\u60c5\u51b5\uff0c\u8fd9\u65f6\u5019oldId+offset\u4e5f\u8fd8\u662f\u53ef\u80fd\u6709\u91cd\u590d\uff0c\u8fd9\u65f6\u53ef\u4ee5\u518d\u5728\u4ee5\u4e0a\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e00\u4e2a\u57fa\u7840\u504f\u79fb\u91cf\uff0c\u4e3a\u4e86\u7b80\u5355\uff0c\u53ef\u4ee5\u4e3a\u6240\u6709\u8868\u8bbe\u7f6e\u4e00\u4e2a\u4e00\u81f4\u7684\u504f\u79fb\u91cf\uff0c\u5f53\u7136\uff0c\u5982\u679c\u8868\u6570\u636e\u91cf\u5dee\u522b\u6bd4\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd8\u662f\u5206\u522b\u8bbe\u7f6e\u6bd4\u8f83\u597d\u3002<\/p>\n<p>\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u516c\u5171\u7684\u65b9\u6cd5\u6765\u751f\u6210id\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"golang\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const baseOffset = 10000\n\nvar idOffset = map[string]int64{\n\t\"student_math_grades\":    0,\n\t\"student_english_grades\": 9,\n\t\/\/ .......\n}\n\nfunc ToNewId(tableName string, oldId int64) int64 {\n\tif oldId == 0 {\n\t\treturn 0\n\t}\n\toffset, ok := idOffset[tableName]\n\tif !ok { \/\/ \u907f\u514dtypo\u95ee\u9898\n\t\tpanic(\"table offset not found: \" + tableName)\n\t}\n\treturn oldId + offset + baseOffset\n}<\/pre>\n<h3 class=\"wp-block-heading\">\u589e\u91cf\u540c\u6b65<\/h3>\n<p>\u589e\u91cf\u540c\u6b65\u7684\u95ee\u9898\u8f83\u5c11\uff0c\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u662fbinlog\u683c\u5f0f\u9700\u8981\u8bbe\u7f6e\u4e3arow\u683c\u5f0f\uff0c\u8fd9\u6837\u624d\u80fd\u83b7\u5f97\u6bcf\u4e00\u884c\u6570\u636e\u53d8\u66f4\u7684\u8be6\u60c5\u3002<\/p>\n<h4 class=\"wp-block-heading\">1. \u5faa\u73af\u540c\u6b65\u95ee\u9898<\/h4>\n<p>\u524d\u9762\u8bf4\u8fc7\uff0c\u65b0\u7cfb\u7edf\u7684\u90e8\u5206\u6570\u636e\u4e5f\u9700\u8981\u540c\u6b65\u56de\u8001\u7cfb\u7edf\uff0c\u90a3\u4e48\u968f\u4e4b\u800c\u6765\u7684\u5c31\u662f\u5faa\u73af\u540c\u6b65\u7684\u95ee\u9898\u3002\u6bd4\u5982\u8bf4\u8001\u7cfb\u7edf\u540c\u6b65\u4e86\u4e00\u6761\u6570\u636e\u81f3\u65b0\u7cfb\u7edf\uff0c\u8fd9\u65f6\u5019binlog\u76d1\u542c\u5230\u65b0\u7cfb\u7edf\u6709\u6570\u636e\u589e\u52a0\uff0c\u90a3\u4e48\u8fd9\u6761\u6570\u636e\u4f1a\u88ab\u540c\u6b65\u56de\u8001\u7cfb\u7edf\uff0c\u7136\u540e\u8001\u7cfb\u7edf\u518d\u540c\u6b65\u81f3\u65b0\u7cfb\u7edf\u2026\u2026\u5982\u6b64\u5faa\u73af\u5f80\u590d\u76f4\u81f3\u7cfb\u7edf\u7206\u70b8\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6848\u4e5f\u6bd4\u8f83\u7b80\u5355\uff0c\u5728\u65b0\u7cfb\u7edf\u4e2d\u7684\u8868\u4e2d\u589e\u52a0from_old\u5b57\u6bb5\uff0c\u6807\u8bc6\u8be5\u6761\u6570\u636e\u662f\u5426\u662f\u4ece\u8001\u7cfb\u7edf\u540c\u6b65\u8fc7\u6765\u7684\uff0c\u540c\u65f6\u5728\u8001\u7cfb\u7edf\u4e2d\u4e5f\u589e\u52a0from_new\u5b57\u6bb5\uff0c\u6807\u8bc6\u6570\u636e\u662f\u5426\u4ece\u65b0\u7cfb\u7edf\u540c\u6b65\u6765\u7684\u3002\u5728\u589e\u91cf\u540c\u6b65\u65f6\uff0c\u9996\u5148\u5224\u65adfrom_old\u6216\u8005from_new\u5b57\u6bb5\uff0c\u5982\u679c\u4e3atrue\uff0c\u5219\u8bf4\u660e\u672c\u6761\u6570\u636e\u662f\u540c\u6b65\u8fc7\u6765\u7684\uff0c\u4e0d\u518d\u540c\u6b65\u56de\u8001\uff08\u65b0\uff09\u7cfb\u7edf\uff0c\u8fd9\u6837\u5c31\u6253\u7834\u4e86\u5faa\u73af\u3002<\/p>\n<h4 class=\"wp-block-heading\">2. 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class=\"wp-block-image\"><img decoding=\"async\" layer-src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/ee5e20fc-f18d-4cb1-8e2b-ca8bbcd6e339.png\" src=\"https:\/\/assets.chenqinghe.com\/notebook\/2021\/10\/12\/ee5e20fc-f18d-4cb1-8e2b-ca8bbcd6e339.png\" alt=\"\u300a\u8bb0\u4e00\u6b21\u65b0\u8001\u7cfb\u7edf\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u300b\" \/><\/figure>\n<h2 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