{"id":20763,"date":"2024-01-02T05:32:19","date_gmt":"2024-01-02T05:32:19","guid":{"rendered":"https:\/\/server.hk\/blog\/20763\/"},"modified":"2024-11-14T10:39:08","modified_gmt":"2024-11-14T02:39:08","slug":"postgresql-command-drop-language","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20763\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aDROP LANGUAGE"},"content":{"rendered":"<h1 id=\"postgresql-command-drop-language-jYVVyCjgXG\">PostgreSQL \u6307\u4ee4\uff1aDROP LANGUAGE<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u7279\u9ede\u3002PostgreSQL \u7684\u5176\u4e2d\u4e00\u500b\u4e3b\u8981\u7279\u9ede\u662f\u5176\u652f\u63f4\u591a\u7a2e\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5141\u8a31\u958b\u767c\u8005\u4f7f\u7528\u81ea\u5df1\u504f\u597d\u7684\u8a9e\u8a00\u64b0\u5beb\u8907\u96dc\u7684\u8cc7\u6599\u5eab\u51fd\u6578\u548c\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5f9e PostgreSQL \u8cc7\u6599\u5eab\u4e2d\u79fb\u9664\u67d0\u7a2e\u8a9e\u8a00\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c<code>DROP LANGUAGE<\/code> \u6307\u4ee4\u5c31\u6d3e\u4e0a\u7528\u5834\u4e86\u3002<\/p>\n<h2 id=\"what-is-the-drop-language-command-jYVVyCjgXG\">\u4ec0\u9ebc\u662f DROP LANGUAGE \u6307\u4ee4\uff1f<\/h2>\n<p>PostgreSQL \u7684 <code>DROP LANGUAGE<\/code> \u6307\u4ee4\u7528\u65bc\u5f9e\u8cc7\u6599\u5eab\u4e2d\u79fb\u9664\u4e00\u7a2e\u7a0b\u5f0f\u8a9e\u8a00\u3002\u7576\u60a8\u522a\u9664\u4e00\u7a2e\u8a9e\u8a00\u6642\uff0c\u8207\u8a72\u8a9e\u8a00\u76f8\u95dc\u7684\u6240\u6709\u51fd\u6578\u3001\u7a0b\u5e8f\u548c\u7269\u4ef6\u4e5f\u6703\u88ab\u79fb\u9664\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53ea\u6709\u8d85\u7d1a\u7528\u6236\u6216\u5177\u6709\u8a72\u8a9e\u8a00 <code>USAGE<\/code> \u6b0a\u9650\u7684\u7528\u6236\u624d\u80fd\u57f7\u884c <code>DROP LANGUAGE<\/code> \u6307\u4ee4\u3002<\/p>\n<h2 id=\"syntax-jYVVyCjgXG\">\u8a9e\u6cd5<\/h2>\n<p><code>DROP LANGUAGE<\/code> \u6307\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP LANGUAGE [IF EXISTS] <i>language_name<\/i>;<\/code><\/pre>\n<p><code>IF EXISTS<\/code> \u5b50\u53e5\u662f\u53ef\u9078\u7684\uff0c\u5141\u8a31\u60a8\u5728\u8a9e\u8a00\u4e0d\u5b58\u5728\u6642\u907f\u514d\u7522\u751f\u932f\u8aa4\u3002<\/p>\n<h2 id=\"examples-jYVVyCjgXG\">\u7bc4\u4f8b<\/h2>\n<p>\u8b93\u6211\u5011\u901a\u904e\u4e00\u4e9b\u7bc4\u4f8b\u4f86\u4e86\u89e3 <code>DROP LANGUAGE<\/code> \u6307\u4ee4\u7684\u904b\u4f5c\u65b9\u5f0f\uff1a<\/p>\n<p><strong>\u7bc4\u4f8b 1\uff1a<\/strong><\/p>\n<pre><code>DROP LANGUAGE plpgsql;<\/code><\/pre>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5f9e\u8cc7\u6599\u5eab\u4e2d\u522a\u9664\u4e86 <code>plpgsql<\/code> \u8a9e\u8a00\u3002\u9019\u7a2e\u8a9e\u8a00\u5e38\u7528\u65bc\u64b0\u5beb PostgreSQL \u4e2d\u7684\u5132\u5b58\u7a0b\u5e8f\u548c\u89f8\u767c\u5668\u3002<\/p>\n<p><strong>\u7bc4\u4f8b 2\uff1a<\/strong><\/p>\n<pre><code>DROP LANGUAGE IF EXISTS plpython3u;<\/code><\/pre>\n<p>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5f9e\u8cc7\u6599\u5eab\u4e2d\u522a\u9664\u4e86 <code>plpython3u<\/code> \u8a9e\u8a00\u3002<code>IF EXISTS<\/code> \u5b50\u53e5\u78ba\u4fdd\u7576\u8a72\u8a9e\u8a00\u4e0d\u5b58\u5728\u6642\u4e0d\u6703\u62cb\u51fa\u932f\u8aa4\u3002<\/p>\n<h2 id=\"summary-jYVVyCjgXG\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u7684 <code>DROP LANGUAGE<\/code> \u6307\u4ee4\u5141\u8a31\u60a8\u5f9e\u8cc7\u6599\u5eab\u4e2d\u79fb\u9664\u4e00\u7a2e\u7a0b\u5f0f\u8a9e\u8a00\u53ca\u5176\u76f8\u95dc\u7684\u6240\u6709\u51fd\u6578\u548c\u7269\u4ef6\u3002\u9019\u662f\u4e00\u500b\u5f37\u5927\u7684\u6307\u4ee4\uff0c\u4f7f\u7528\u6642\u61c9\u8b39\u614e\uff0c\u56e0\u70ba\u5b83\u6703\u6c38\u4e45\u522a\u9664\u8a72\u8a9e\u8a00\u53ca\u5176\u4f9d\u8cf4\u9805\u3002\u5982\u679c\u60a8\u9700\u8981\u5f9e PostgreSQL \u8cc7\u6599\u5eab\u4e2d\u79fb\u9664\u4e00\u7a2e\u8a9e\u8a00\uff0c<code>DROP LANGUAGE<\/code> \u6307\u4ee4\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u76f4\u63a5\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u6b32\u4e86\u89e3\u66f4\u591a\u6709\u95dc VPS \u4e3b\u6a5f\u7684\u8cc7\u8a0a\u53ca\u63a2\u7d22\u6211\u5011\u7684\u9ad8\u6548\u80fd\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\uff1aDR&#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-20763","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20763","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=20763"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20763\/revisions"}],"predecessor-version":[{"id":24349,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20763\/revisions\/24349"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}