{"id":78986,"date":"2024-10-16T12:35:15","date_gmt":"2024-10-16T04:35:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/78986\/"},"modified":"2024-10-16T12:35:15","modified_gmt":"2024-10-16T04:35:15","slug":"mysql%e6%8c%87%e4%bb%a4-lock-tables%ef%bc%88%e9%8e%96%e5%ae%9a%e8%a1%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/78986\/","title":{"rendered":"MySQL\u6307\u4ee4: LOCK TABLES\uff08\u9396\u5b9a\u8868\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-lock-tables%ef%bc%88%e9%8e%96%e5%ae%9a%e8%a1%a8%ef%bc%89-XBqPOBvtGR\">MySQL\u6307\u4ee4: LOCK TABLES\uff08\u9396\u5b9a\u8868\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u78ba\u4fdd\u9019\u4e9b\u7279\u6027\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662fLOCK TABLES\u6307\u4ee4\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eLOCK TABLES\u7684\u529f\u80fd\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u5176\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"lock-tables%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-XBqPOBvtGR\">LOCK TABLES\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>LOCK TABLES\u6307\u4ee4\u7528\u65bc\u9396\u5b9a\u4e00\u500b\u6216\u591a\u500b\u8cc7\u6599\u8868\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u4f7f\u7528\u8005\u5728\u9396\u5b9a\u671f\u9593\u5c0d\u9019\u4e9b\u8868\u9032\u884c\u8b80\u53d6\u6216\u5beb\u5165\u64cd\u4f5c\u3002\u9019\u5728\u9700\u8981\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u6642\u7279\u5225\u6709\u7528\uff0c\u4f8b\u5982\u5728\u9032\u884c\u6279\u91cf\u66f4\u65b0\u6216\u8907\u96dc\u67e5\u8a62\u6642\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8lock-tables%e7%9a%84%e8%aa%9e%e6%b3%95-XBqPOBvtGR\">\u4f7f\u7528LOCK TABLES\u7684\u8a9e\u6cd5<\/h2>\n<p>LOCK TABLES\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>LOCK TABLES table_name [AS alias] lock_type [, table_name [AS alias] lock_type ...];<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>lock_type<\/code>\u53ef\u4ee5\u662f\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><code>READ<\/code>\uff1a\u5141\u8a31\u5176\u4ed6\u4f7f\u7528\u8005\u8b80\u53d6\u8a72\u8868\uff0c\u4f46\u4e0d\u5141\u8a31\u5beb\u5165\u3002<\/li>\n<li><code>WRITE<\/code>\uff1a\u4e0d\u5141\u8a31\u5176\u4ed6\u4f7f\u7528\u8005\u8b80\u53d6\u6216\u5beb\u5165\u8a72\u8868\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%af%84%e4%be%8b-XBqPOBvtGR\">\u7bc4\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528LOCK TABLES\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>LOCK TABLES users WRITE, orders READ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>users<\/code>\u8868\u88ab\u9396\u5b9a\u70ba\u5beb\u5165\u6a21\u5f0f\uff0c\u800c<code>orders<\/code>\u8868\u5247\u88ab\u9396\u5b9a\u70ba\u8b80\u53d6\u6a21\u5f0f\u3002\u9019\u610f\u5473\u8457\u5728\u9396\u5b9a\u671f\u9593\uff0c\u5176\u4ed6\u4f7f\u7528\u8005\u7121\u6cd5\u5c0d<code>users<\/code>\u8868\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4f46\u53ef\u4ee5\u8b80\u53d6<code>orders<\/code>\u8868\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e9%8e%96%e8%a1%a8%e7%9a%84%e6%8c%87%e4%bb%a4-XBqPOBvtGR\">\u89e3\u9396\u8868\u7684\u6307\u4ee4<\/h2>\n<p>\u7576\u5b8c\u6210\u5c0d\u8cc7\u6599\u8868\u7684\u64cd\u4f5c\u5f8c\uff0c\u5fc5\u9808\u4f7f\u7528UNLOCK TABLES\u6307\u4ee4\u4f86\u89e3\u9664\u9396\u5b9a\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UNLOCK TABLES;<\/code><\/pre>\n<p>\u9019\u500b\u6307\u4ee4\u6703\u89e3\u9664\u6240\u6709\u7576\u524d\u9396\u5b9a\u7684\u8868\uff0c\u8b93\u5176\u4ed6\u4f7f\u7528\u8005\u53ef\u4ee5\u518d\u6b21\u8a2a\u554f\u9019\u4e9b\u8868\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8lock-tables%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-XBqPOBvtGR\">\u4f7f\u7528LOCK TABLES\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136LOCK TABLES\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8b77\u8cc7\u6599\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9396\u5b9a\u8868\u6703\u5f71\u97ff\u5176\u4ed6\u4f7f\u7528\u8005\u7684\u64cd\u4f5c\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\uff0c\u907f\u514d\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u5ef6\u9072\u3002<\/li>\n<li>\u5728\u9577\u6642\u9593\u9396\u5b9a\u8868\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\uff0c\u9019\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li>\u5728\u4f7f\u7528LOCK TABLES\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u5728\u540c\u4e00\u500b\u9023\u63a5\u4e2d\u57f7\u884cUNLOCK TABLES\uff0c\u5426\u5247\u9396\u5b9a\u5c07\u6301\u7e8c\u5b58\u5728\uff0c\u53ef\u80fd\u5c0e\u81f4\u5176\u4ed6\u64cd\u4f5c\u7121\u6cd5\u9032\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-XBqPOBvtGR\">\u7d50\u8ad6<\/h2>\n<p>LOCK TABLES\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u9032\u884c\u8cc7\u6599\u64cd\u4f5c\u6642\u78ba\u4fdd\u8cc7\u6599\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u7136\u800c\uff0c\u6b63\u78ba\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9805\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\uff0c\u4ee5\u907f\u514d\u5c0d\u7cfb\u7d71\u6027\u80fd\u9020\u6210\u8ca0\u9762\u5f71\u97ff\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u8cc7\u6599\u5eab\u7ba1\u7406\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u7aef\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4LOCK TABLES\u7684\u7528\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u9396\u5b9a\u8868\u4ee5\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u4e26\u767c\u8a2a\u554f\u554f\u984c\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-78986","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78986","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=78986"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78986\/revisions"}],"predecessor-version":[{"id":78987,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78986\/revisions\/78987"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=78986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=78986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=78986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}