{"id":20354,"date":"2024-01-02T04:47:19","date_gmt":"2024-01-02T04:47:19","guid":{"rendered":"https:\/\/server.hk\/blog\/20354\/"},"modified":"2024-11-14T10:39:54","modified_gmt":"2024-11-14T02:39:54","slug":"postgresql-command-alter-schema","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20354\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aALTER SCHEMA"},"content":{"rendered":"<h1 id=\"postgresql-command-alter-schema-VhnkBhOgsy\">PostgreSQL \u6307\u4ee4\uff1aALTER SCHEMA<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u4e14\u529f\u80fd\u8c50\u5bcc\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u548c\u529f\u80fd\u4f86\u7ba1\u7406\u548c\u64cd\u4f5c\u8cc7\u6599\u5eab\u3002\u5176\u4e2d\u4e00\u500b\u6307\u4ee4\u662f <code>ALTER SCHEMA<\/code>\uff0c\u5b83\u5141\u8a31\u7528\u6236\u4fee\u6539\u8cc7\u6599\u5eab\u4e2d\u73fe\u6709\u6a21\u5f0f\u7684\u5b9a\u7fa9\u3002<\/p>\n<h2 id=\"what-is-a-schema-VhnkBhOgsy\">\u4ec0\u9ebc\u662f\u6a21\u5f0f\uff08Schema\uff09\uff1f<\/h2>\n<p>\u5728\u6df1\u5165\u4e86\u89e3 <code>ALTER SCHEMA<\/code> \u6307\u4ee4\u4e4b\u524d\uff0c\u8b93\u6211\u5011\u5148\u4e86\u89e3\u4e00\u4e0b\u5728 PostgreSQL \u4e2d\u7684\u6a21\u5f0f\u662f\u4ec0\u9ebc\u3002\u6a21\u5f0f\u662f\u4e00\u500b\u908f\u8f2f\u5bb9\u5668\uff0c\u7528\u65bc\u5b58\u653e\u8cc7\u6599\u5eab\u5c0d\u8c61\uff0c\u4f8b\u5982\u8cc7\u6599\u8868\u3001\u8996\u5716\u3001\u7d22\u5f15\u3001\u51fd\u6578\u7b49\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u7a2e\u65b9\u5f0f\u4f86\u7d44\u7e54\u548c\u5c07\u76f8\u95dc\u7684\u8cc7\u6599\u5eab\u5c0d\u8c61\u5206\u7d44\u5728\u4e00\u8d77\u3002<\/p>\n<p>\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u7576\u60a8\u5728 PostgreSQL \u4e2d\u5275\u5efa\u4e00\u500b\u65b0\u8cc7\u6599\u5eab\u6642\uff0c\u5b83\u6703\u5e36\u6709\u4e00\u500b\u540d\u70ba &#8220;public&#8221; \u7684\u55ae\u4e00\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u5176\u4ed6\u6a21\u5f0f\uff0c\u4ee5\u66f4\u6709\u6548\u5730\u7d44\u7e54\u60a8\u7684\u8cc7\u6599\u5eab\u5c0d\u8c61\u3002<\/p>\n<h2 id=\"alter-schema-syntax-VhnkBhOgsy\">ALTER SCHEMA \u8a9e\u6cd5<\/h2>\n<p>PostgreSQL \u4e2d\u7684 <code>ALTER SCHEMA<\/code> \u6307\u4ee4\u5141\u8a31\u60a8\u4fee\u6539\u73fe\u6709\u6a21\u5f0f\u7684\u5c6c\u6027\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>ALTER SCHEMA schema_name\r\n    [ RENAME TO new_schema_name ]\r\n    [ OWNER TO new_owner ]\r\n<\/code><\/pre>\n<p>\u8b93\u6211\u5011\u5206\u89e3\u9019\u500b\u8a9e\u6cd5\u7684\u4e0d\u540c\u90e8\u5206\uff1a<\/p>\n<ul>\n<li><code>schema_name<\/code>\uff1a\u60a8\u60f3\u4fee\u6539\u7684\u6a21\u5f0f\u540d\u7a31\u3002<\/li>\n<li><code>RENAME TO new_schema_name<\/code>\uff08\u53ef\u9078\uff09\uff1a\u5982\u679c\u60a8\u60f3\u5c07\u6a21\u5f0f\u91cd\u65b0\u547d\u540d\u70ba\u65b0\u540d\u7a31\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u5b50\u53e5\u3002<\/li>\n<li><code>OWNER TO new_owner<\/code>\uff08\u53ef\u9078\uff09\uff1a\u5982\u679c\u60a8\u60f3\u66f4\u6539\u6a21\u5f0f\u7684\u64c1\u6709\u8005\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u5b50\u53e5\u3002<\/li>\n<\/ul>\n<h2 id=\"examples-VhnkBhOgsy\">\u7bc4\u4f8b<\/h2>\n<p>\u73fe\u5728\uff0c\u8b93\u6211\u5011\u770b\u770b\u4e00\u4e9b\u7bc4\u4f8b\u4f86\u4e86\u89e3 <code>ALTER SCHEMA<\/code> \u6307\u4ee4\u7684\u904b\u4f5c\u65b9\u5f0f\u3002<\/p>\n<h3 id=\"example-1-renaming-a-schema-VhnkBhOgsy\">\u7bc4\u4f8b 1\uff1a\u91cd\u65b0\u547d\u540d\u6a21\u5f0f<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba &#8220;old_schema&#8221; \u7684\u6a21\u5f0f\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u5c07\u5176\u91cd\u65b0\u547d\u540d\u70ba &#8220;new_schema&#8221;\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n<pre><code>ALTER SCHEMA old_schema RENAME TO new_schema;<\/code><\/pre>\n<p>\u6b64\u6307\u4ee4\u5c07\u6703\u628a &#8220;old_schema&#8221; \u6a21\u5f0f\u91cd\u65b0\u547d\u540d\u70ba &#8220;new_schema&#8221;\u3002<\/p>\n<h3 id=\"example-2-changing-the-owner-of-a-schema-VhnkBhOgsy\">\u7bc4\u4f8b 2\uff1a\u66f4\u6539\u6a21\u5f0f\u7684\u64c1\u6709\u8005<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u60f3\u5c07\u540d\u70ba &#8220;my_schema&#8221; \u7684\u6a21\u5f0f\u7684\u64c1\u6709\u8005\u66f4\u6539\u70ba\u4e00\u500b\u65b0\u7528\u6236 &#8220;new_owner&#8221;\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n<pre><code>ALTER SCHEMA my_schema OWNER TO new_owner;<\/code><\/pre>\n<p>\u6b64\u6307\u4ee4\u5c07\u6703\u628a &#8220;my_schema&#8221; \u6a21\u5f0f\u7684\u64c1\u6709\u8005\u66f4\u6539\u70ba &#8220;new_owner&#8221;\u3002<\/p>\n<h2 id=\"summary-VhnkBhOgsy\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684 <code>ALTER SCHEMA<\/code> \u6307\u4ee4\u5141\u8a31\u7528\u6236\u4fee\u6539\u73fe\u6709\u6a21\u5f0f\u7684\u5c6c\u6027\u3002\u5b83\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u4f86\u91cd\u65b0\u547d\u540d\u6a21\u5f0f\u4ee5\u53ca\u66f4\u6539\u5b83\u5011\u7684\u64c1\u6709\u8005\u3002\u901a\u904e\u4f7f\u7528\u6b64\u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u7d44\u7e54\u8cc7\u6599\u5eab\u4e2d\u7684\u4e0d\u540c\u6a21\u5f0f\u548c\u5c0d\u8c61\u3002<\/p>\n<p>\u5982\u9700\u66f4\u591a\u6709\u95dc VPS \u8a17\u7ba1\u53ca\u63a2\u7d22\u6211\u5011\u9802\u5c16\u7684 VPS \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u6307\u4ee4\uff1aAL&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-20354","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20354","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=20354"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20354\/revisions"}],"predecessor-version":[{"id":24401,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20354\/revisions\/24401"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}