{"id":169563,"date":"2024-11-06T19:10:20","date_gmt":"2024-11-06T11:10:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169563\/"},"modified":"2024-11-06T19:10:20","modified_gmt":"2024-11-06T11:10:20","slug":"%e5%90%8d%e7%a8%b1%e9%87%8d%e5%90%8d%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e5%90%8d%e8%a1%9d%e7%aa%81%ef%bc%9f-%e6%89%80%e6%8c%87%e5%ae%9a%e7%9a%84%e5%90%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169563\/","title":{"rendered":"\u540d\u7a31\u91cd\u540d\uff0c\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u547d\u540d\u885d\u7a81\uff1f (\u6240\u6307\u5b9a\u7684\u540d\u7a31\u8207\u73fe\u6709\u7684\u6578\u64da\u5eab\u91cd\u540d)"},"content":{"rendered":"<h1 id=\"%e5%90%8d%e7%a8%b1%e9%87%8d%e5%90%8d%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e5%90%8d%e8%a1%9d%e7%aa%81%ef%bc%9f-CcvMitagtK\">\u540d\u7a31\u91cd\u540d\uff0c\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u547d\u540d\u885d\u7a81\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u547d\u540d\u885d\u7a81\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u5728\u5927\u578b\u61c9\u7528\u7a0b\u5e8f\u6216\u591a\u958b\u767c\u8005\u74b0\u5883\u4e2d\u3002\u7576\u4f60\u5617\u8a66\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\u6216\u6578\u64da\u8868\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u300c\u6240\u6307\u5b9a\u7684\u540d\u7a31\u8207\u73fe\u6709\u7684\u6578\u64da\u5eab\u91cd\u540d\u300d\u7684\u932f\u8aa4\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u4f86\u907f\u514d\u672a\u4f86\u7684\u547d\u540d\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e5%91%bd%e5%90%8d%e8%a1%9d%e7%aa%81%e7%9a%84%e5%8e%9f%e5%9b%a0-CcvMitagtK\">\u547d\u540d\u885d\u7a81\u7684\u539f\u56e0<\/h2>\n<p>\u547d\u540d\u885d\u7a81\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u591a\u958b\u767c\u8005\u74b0\u5883\uff1a<\/strong>\u5728\u5718\u968a\u5408\u4f5c\u4e2d\uff0c\u4e0d\u540c\u7684\u958b\u767c\u8005\u53ef\u80fd\u6703\u4f7f\u7528\u76f8\u540c\u7684\u547d\u540d\u898f\u5247\uff0c\u5c0e\u81f4\u91cd\u540d\u3002<\/li>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong>\u5728\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7d71\u6642\uff0c\u5408\u4f75\u4e0d\u540c\u5206\u652f\u7684\u4ee3\u78bc\u53ef\u80fd\u6703\u5c0e\u81f4\u547d\u540d\u885d\u7a81\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u9077\u79fb\uff1a<\/strong>\u5728\u5c07\u6578\u64da\u5eab\u5f9e\u4e00\u500b\u74b0\u5883\u9077\u79fb\u5230\u53e6\u4e00\u500b\u74b0\u5883\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u540d\u7a31\u91cd\u8907\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e5%91%bd%e5%90%8d%e8%a1%9d%e7%aa%81%e7%9a%84%e6%96%b9%e6%b3%95-CcvMitagtK\">\u89e3\u6c7a\u547d\u540d\u885d\u7a81\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%89%8d%e7%b6%b4%e6%88%96%e5%be%8c%e7%b6%b4-CcvMitagtK\">1. \u4f7f\u7528\u524d\u7db4\u6216\u5f8c\u7db4<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u547d\u540d\u885d\u7a81\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u540d\u7a31\u4e2d\u6dfb\u52a0\u524d\u7db4\u6216\u5f8c\u7db4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u53ef\u4ee5\u5c07\u5176\u547d\u540d\u70ba <code>app_users<\/code> \u6216 <code>users_v1<\/code>\u3002\u9019\u6a23\u53ef\u4ee5\u6e05\u695a\u5730\u5340\u5206\u4e0d\u540c\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-CcvMitagtK\">2. \u4f7f\u7528\u547d\u540d\u7a7a\u9593<\/h3>\n<p>\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u652f\u6301\u547d\u540d\u7a7a\u9593\u7684\u6982\u5ff5\u3002\u901a\u904e\u5c07\u6578\u64da\u5eab\u5c0d\u8c61\u653e\u5165\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u9593\u4e2d\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u547d\u540d\u885d\u7a81\u3002\u4f8b\u5982\uff0c\u5728 PostgreSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>schema<\/code> \u4f86\u7d44\u7e54\u6578\u64da\u5eab\u5c0d\u8c61\uff1a<\/p>\n<pre><code>CREATE SCHEMA app1;\nCREATE TABLE app1.users (...);\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e7%8f%be%e6%9c%89%e5%b0%8d%e8%b1%a1-CcvMitagtK\">3. \u6aa2\u67e5\u73fe\u6709\u5c0d\u8c61<\/h3>\n<p>\u5728\u5275\u5efa\u65b0\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u4e4b\u524d\uff0c\u61c9\u8a72\u5148\u6aa2\u67e5\u73fe\u6709\u7684\u5c0d\u8c61\u540d\u7a31\u3002\u53ef\u4ee5\u4f7f\u7528 SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u662f\u5426\u5df2\u5b58\u5728\u76f8\u540c\u540d\u7a31\u7684\u5c0d\u8c61\uff1a<\/p>\n<pre><code>SELECT * FROM information_schema.tables WHERE table_name = 'users';\n<\/code><\/pre>\n<h3 id=\"4-%e9%87%8d%e5%91%bd%e5%90%8d%e7%8f%be%e6%9c%89%e5%b0%8d%e8%b1%a1-CcvMitagtK\">4. \u91cd\u547d\u540d\u73fe\u6709\u5c0d\u8c61<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u547d\u540d\u885d\u7a81\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u547d\u540d\u73fe\u6709\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>ALTER TABLE users RENAME TO old_users;\n<\/code><\/pre>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8%e7%89%88%e6%9c%ac%e6%8e%a7%e5%88%b6-CcvMitagtK\">5. \u4f7f\u7528\u7248\u672c\u63a7\u5236<\/h3>\n<p>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7d71\uff08\u5982 Git\uff09\u53ef\u4ee5\u5e6b\u52a9\u8ddf\u8e2a\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8b8a\u66f4\uff0c\u4e26\u6e1b\u5c11\u547d\u540d\u885d\u7a81\u7684\u53ef\u80fd\u6027\u3002\u6bcf\u6b21\u4fee\u6539\u6578\u64da\u5eab\u7d50\u69cb\u6642\uff0c\u61c9\u8a72\u63d0\u4ea4\u8b8a\u66f4\u4e26\u8a18\u9304\u76f8\u95dc\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-CcvMitagtK\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u5236\u5b9a\u547d\u540d\u898f\u5247\uff1a<\/strong>\u5728\u5718\u968a\u4e2d\u5236\u5b9a\u4e00\u81f4\u7684\u547d\u540d\u898f\u5247\uff0c\u4e26\u78ba\u4fdd\u6240\u6709\u958b\u767c\u8005\u9075\u5faa\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5be9\u67e5\uff1a<\/strong>\u5b9a\u671f\u5be9\u67e5\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u78ba\u4fdd\u6c92\u6709\u91cd\u540d\u7684\u5c0d\u8c61\u3002<\/li>\n<li><strong>\u6587\u6a94\u5316\uff1a<\/strong>\u5c0d\u6578\u64da\u5eab\u7d50\u69cb\u9032\u884c\u6587\u6a94\u5316\uff0c\u65b9\u4fbf\u5718\u968a\u6210\u54e1\u67e5\u95b1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CcvMitagtK\">\u7e3d\u7d50<\/h2>\n<p>\u89e3\u6c7a\u6578\u64da\u5eab\u547d\u540d\u885d\u7a81\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\uff0c\u5c24\u5176\u662f\u5728\u591a\u958b\u767c\u8005\u74b0\u5883\u4e2d\u3002\u901a\u904e\u4f7f\u7528\u524d\u7db4\u6216\u5f8c\u7db4\u3001\u547d\u540d\u7a7a\u9593\u3001\u6aa2\u67e5\u73fe\u6709\u5c0d\u8c61\u3001\u91cd\u547d\u540d\u73fe\u6709\u5c0d\u8c61\u4ee5\u53ca\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u548c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u547d\u540d\u885d\u7a81\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7b56\u7565\u4ee5\u907f\u514d\u540d\u7a31\u91cd\u540d\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7ba1\u7406\u7684\u9806\u5229\u9032\u884c\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-169563","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169563","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=169563"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169563\/revisions"}],"predecessor-version":[{"id":169564,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169563\/revisions\/169564"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}