{"id":167953,"date":"2024-11-06T08:17:29","date_gmt":"2024-11-06T00:17:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167953\/"},"modified":"2024-11-06T08:17:30","modified_gmt":"2024-11-06T00:17:30","slug":"%e5%85%a9%e8%90%ac%e5%ad%97%e8%a9%b3%e8%a7%a3%ef%bc%81innodb%e9%8e%96%e5%b0%88%e9%a1%8c%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167953\/","title":{"rendered":"\u5169\u842c\u5b57\u8a73\u89e3\uff01InnoDB\u9396\u5c08\u984c\uff01"},"content":{"rendered":"<h1 id=\"%e5%85%a9%e8%90%ac%e5%ad%97%e8%a9%b3%e8%a7%a3%ef%bc%81innodb%e9%8e%96%e5%b0%88%e9%a1%8c%ef%bc%81-mgOkuvsQFa\">\u5169\u842c\u5b57\u8a73\u89e3\uff01InnoDB\u9396\u5c08\u984c\uff01<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u6a5f\u5236\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\uff0cInnoDB\u4f5c\u70baMySQL\u7684\u9ed8\u8a8d\u5b58\u5132\u5f15\u64ce\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u985e\u578b\u548c\u7b56\u7565\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eInnoDB\u7684\u9396\u6a5f\u5236\uff0c\u5305\u62ec\u5176\u5de5\u4f5c\u539f\u7406\u3001\u985e\u578b\u3001\u4f7f\u7528\u5834\u666f\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"1-innodb%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-mgOkuvsQFa\">1. InnoDB\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>InnoDB\u4f7f\u7528\u9396\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\uff0c\u9632\u6b62\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u767c\u751f\u3002\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u4e26\u78ba\u4fdd\u591a\u500b\u4e8b\u52d9\u4e4b\u9593\u7684\u9694\u96e2\u6027\u3002InnoDB\u652f\u6301\u884c\u7d1a\u9396\u3001\u8868\u7d1a\u9396\u548c\u610f\u5411\u9396\u7b49\u591a\u7a2e\u9396\u985e\u578b\u3002<\/p>\n<h2 id=\"2-%e9%8e%96%e7%9a%84%e9%a1%9e%e5%9e%8b-mgOkuvsQFa\">2. \u9396\u7684\u985e\u578b<\/h2>\n<h3 id=\"2-1-%e8%a1%8c%e7%b4%9a%e9%8e%96-mgOkuvsQFa\">2.1 \u884c\u7d1a\u9396<\/h3>\n<p>\u884c\u7d1a\u9396\u662fInnoDB\u6700\u5e38\u7528\u7684\u9396\u985e\u578b\uff0c\u5141\u8a31\u591a\u500b\u4e8b\u52d9\u540c\u6642\u5c0d\u4e0d\u540c\u7684\u884c\u9032\u884c\u64cd\u4f5c\u3002\u9019\u7a2e\u9396\u7684\u512a\u52e2\u5728\u65bc\u63d0\u9ad8\u4e86\u4e26\u767c\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u53ea\u9396\u5b9a\u9700\u8981\u4fee\u6539\u7684\u884c\uff0c\u800c\u4e0d\u662f\u6574\u500b\u8868\u3002<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u4f7f\u7528\u884c\u7d1a\u9396\nSTART TRANSACTION;\nSELECT * FROM users WHERE id = 1 FOR UPDATE;\n-- \u9032\u884c\u6578\u64da\u4fee\u6539\nUPDATE users SET name = '\u65b0\u540d\u5b57' WHERE id = 1;\nCOMMIT;<\/code><\/pre>\n<h3 id=\"2-2-%e8%a1%a8%e7%b4%9a%e9%8e%96-mgOkuvsQFa\">2.2 \u8868\u7d1a\u9396<\/h3>\n<p>\u8868\u7d1a\u9396\u6703\u9396\u5b9a\u6574\u500b\u8868\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u662f\u5fc5\u8981\u7684\uff0c\u4f8b\u5982\u9032\u884c\u7d50\u69cb\u4fee\u6539\u6216\u9700\u8981\u78ba\u4fdd\u6574\u500b\u8868\u7684\u4e00\u81f4\u6027\u6642\u3002\u8868\u7d1a\u9396\u7684\u7f3a\u9ede\u662f\u6703\u964d\u4f4e\u4e26\u767c\u6027\u80fd\uff0c\u56e0\u70ba\u5176\u4ed6\u4e8b\u52d9\u7121\u6cd5\u8a2a\u554f\u8a72\u8868\u3002<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u4f7f\u7528\u8868\u7d1a\u9396\nLOCK TABLES users WRITE;\n-- \u9032\u884c\u6578\u64da\u4fee\u6539\nUPDATE users SET name = '\u65b0\u540d\u5b57' WHERE id = 1;\nUNLOCK TABLES;<\/code><\/pre>\n<h3 id=\"2-3-%e6%84%8f%e5%90%91%e9%8e%96-mgOkuvsQFa\">2.3 \u610f\u5411\u9396<\/h3>\n<p>\u610f\u5411\u9396\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u9396\uff0c\u7528\u65bc\u6307\u793a\u4e8b\u52d9\u5c07\u8981\u5c0d\u67d0\u500b\u884c\u52a0\u9396\u3002\u9019\u7a2e\u9396\u7684\u5b58\u5728\u4f7f\u5f97InnoDB\u80fd\u5920\u5728\u884c\u7d1a\u9396\u548c\u8868\u7d1a\u9396\u4e4b\u9593\u9032\u884c\u6709\u6548\u7684\u5354\u8abf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"3-%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-mgOkuvsQFa\">3. \u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>InnoDB\u4f7f\u7528\u591a\u7248\u672c\u4e26\u767c\u63a7\u5236\uff08MVCC\uff09\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u9396\u7ba1\u7406\u3002\u6bcf\u7576\u4e00\u500b\u4e8b\u52d9\u958b\u59cb\u6642\uff0cInnoDB\u6703\u70ba\u8a72\u4e8b\u52d9\u5275\u5efa\u4e00\u500b\u5feb\u7167\uff0c\u9019\u6a23\u5373\u4f7f\u5176\u4ed6\u4e8b\u52d9\u6b63\u5728\u4fee\u6539\u6578\u64da\uff0c\u8a72\u4e8b\u52d9\u4e5f\u80fd\u5920\u770b\u5230\u4e00\u81f4\u7684\u6578\u64da\u8996\u5716\u3002<\/p>\n<h2 id=\"4-%e9%8e%96%e7%9a%84%e6%ad%bb%e9%8e%96-mgOkuvsQFa\">4. \u9396\u7684\u6b7b\u9396<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u4e8b\u52d9\u4e92\u76f8\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u9396\uff0c\u5c0e\u81f4\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u3002InnoDB\u6703\u81ea\u52d5\u6aa2\u6e2c\u6b7b\u9396\u4e26\u9078\u64c7\u4e00\u500b\u4e8b\u52d9\u9032\u884c\u56de\u6efe\uff0c\u4ee5\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\u3002<\/p>\n<h3 id=\"4-1-%e6%ad%bb%e9%8e%96%e7%9a%84%e6%aa%a2%e6%b8%ac-mgOkuvsQFa\">4.1 \u6b7b\u9396\u7684\u6aa2\u6e2c<\/h3>\n<p>InnoDB\u6703\u5b9a\u671f\u6aa2\u67e5\u4e8b\u52d9\u7684\u72c0\u614b\uff0c\u7576\u6aa2\u6e2c\u5230\u6b7b\u9396\u6642\uff0c\u6703\u9078\u64c7\u4e00\u500b\u4e8b\u52d9\u9032\u884c\u56de\u6efe\uff0c\u901a\u5e38\u662f\u9078\u64c7\u6301\u6709\u6700\u5c11\u8cc7\u6e90\u7684\u4e8b\u52d9\u3002<\/p>\n<h2 id=\"5-%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-mgOkuvsQFa\">5. \u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u76e1\u91cf\u4f7f\u7528\u884c\u7d1a\u9396\u4ee5\u63d0\u9ad8\u4e26\u767c\u6027\u80fd\u3002<\/li>\n<li>\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\uff0c\u53ca\u6642\u91cb\u653e\u4e0d\u518d\u9700\u8981\u7684\u9396\u3002<\/li>\n<li>\u5728\u4e8b\u52d9\u4e2d\u76e1\u91cf\u6e1b\u5c11\u64cd\u4f5c\u7684\u6578\u91cf\uff0c\u7e2e\u77ed\u4e8b\u52d9\u7684\u57f7\u884c\u6642\u9593\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u907f\u514d\u56e0\u70ba\u9396\u5c0e\u81f4\u7684\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mgOkuvsQFa\">\u7e3d\u7d50<\/h2>\n<p>InnoDB\u7684\u9396\u6a5f\u5236\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u884c\u7d1a\u9396\u3001\u8868\u7d1a\u9396\u548c\u610f\u5411\u9396\uff0c\u4e26\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u4f75\u767c\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u9396\u7b56\u7565\u5c24\u70ba\u91cd\u8981\u3002\u4e86\u89e3InnoDB\u7684\u9396\u6a5f\u5236\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u7db2\u7ad9\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eInnoDB\u9396\u7684\u904b\u4f5c\u8207\u61c9\u7528\uff0c\u63d0\u4f9b\u5169\u842c\u5b57\u8a73\u89e3\uff0c\u52a9\u4f60\u638c\u63e1\u6578\u64da\u5eab\u6027\u80fd\u8207\u5b89\u5168\u6027\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-167953","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167953","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=167953"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167953\/revisions"}],"predecessor-version":[{"id":167954,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167953\/revisions\/167954"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}