{"id":20791,"date":"2024-01-02T06:00:22","date_gmt":"2024-01-02T06:00:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20791\/"},"modified":"2024-11-14T10:38:36","modified_gmt":"2024-11-14T02:38:36","slug":"postgresql-command-drop-event-trigger","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20791\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aDROP EVENT TRIGGER"},"content":{"rendered":"<h1 id=\"postgresql-command-drop-event-trigger-kNXnOQMYYx\">PostgreSQL \u547d\u4ee4\uff1aDROP EVENT TRIGGER<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u7279\u6027\u3002\u5176\u4e2d\u4e00\u500b\u7279\u6027\u662f\u4e8b\u4ef6\u89f8\u767c\u5668\uff0c\u5141\u8a31\u7528\u6236\u5c07\u81ea\u5b9a\u7fa9\u64cd\u4f5c\u8207\u6578\u64da\u5eab\u4e2d\u767c\u751f\u7684\u7279\u5b9a\u4e8b\u4ef6\u95dc\u806f\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e PostgreSQL \u547d\u4ee4 <code>DROP EVENT TRIGGER<\/code> \u53ca\u5176\u7528\u6cd5\u3002<\/p>\n<h2 id=\"understanding-event-triggers-kNXnOQMYYx\">\u7406\u89e3\u4e8b\u4ef6\u89f8\u767c\u5668<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u4e8b\u4ef6\u89f8\u767c\u5668\u662f\u7528\u6236\u5b9a\u7fa9\u7684\u51fd\u6578\uff0c\u7576\u6578\u64da\u5eab\u4e2d\u767c\u751f\u7279\u5b9a\u4e8b\u4ef6\u6642\u6703\u81ea\u52d5\u57f7\u884c\u3002\u9019\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u5305\u62ec\u8868\u7684\u5275\u5efa\u3001\u522a\u9664\u6216\u4fee\u6539\uff0c\u4ee5\u53ca\u6578\u64da\u5eab\u7684\u555f\u52d5\u6216\u95dc\u9589\u3002\u4e8b\u4ef6\u89f8\u767c\u5668\u63d0\u4f9b\u4e86\u4e00\u7a2e\u64f4\u5c55 PostgreSQL \u529f\u80fd\u7684\u65b9\u6cd5\uff0c\u901a\u904e\u5728\u97ff\u61c9\u9019\u4e9b\u4e8b\u4ef6\u6642\u57f7\u884c\u81ea\u5b9a\u7fa9\u4ee3\u78bc\u3002<\/p>\n<p>\u4e8b\u4ef6\u89f8\u767c\u5668\u662f\u4f7f\u7528 <code>CREATE EVENT TRIGGER<\/code> \u547d\u4ee4\u5275\u5efa\u7684\uff0c\u53ef\u4ee5\u8207\u4e00\u500b\u6216\u591a\u500b\u7279\u5b9a\u4e8b\u4ef6\u95dc\u806f\u3002\u5275\u5efa\u5f8c\uff0c\u5b83\u5011\u5c07\u4fdd\u6301\u6d3b\u52d5\u72c0\u614b\uff0c\u76f4\u5230\u4f7f\u7528 <code>DROP EVENT TRIGGER<\/code> \u547d\u4ee4\u986f\u5f0f\u522a\u9664\u3002<\/p>\n<h2 id=\"the-drop-event-trigger-command-kNXnOQMYYx\">DROP EVENT TRIGGER \u547d\u4ee4<\/h2>\n<p><code>DROP EVENT TRIGGER<\/code> \u547d\u4ee4\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u73fe\u6709\u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u3002\u8a72\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP EVENT TRIGGER [IF EXISTS] trigger_name;\r\n<\/code><\/pre>\n<p><code>IF EXISTS<\/code> \u5b50\u53e5\u662f\u53ef\u9078\u7684\uff0c\u5141\u8a31\u547d\u4ee4\u5373\u4f7f\u5728\u6307\u5b9a\u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u4e0d\u5b58\u5728\u6642\u4e5f\u80fd\u6210\u529f\u57f7\u884c\u3002<\/p>\n<h3 id=\"example-kNXnOQMYYx\">\u793a\u4f8b\uff1a<\/h3>\n<p>\u8b93\u6211\u5011\u8003\u616e\u4e00\u500b\u793a\u4f8b\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>audit_trigger<\/code> \u7684\u4e8b\u4ef6\u89f8\u767c\u5668\uff0c\u7528\u65bc\u8a18\u9304\u6240\u6709\u8868\u7684\u4fee\u6539\u3002\u8981\u522a\u9664\u9019\u500b\u4e8b\u4ef6\u89f8\u767c\u5668\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP EVENT TRIGGER audit_trigger;\r\n<\/code><\/pre>\n<p>\u6b64\u547d\u4ee4\u5c07\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664 <code>audit_trigger<\/code> \u4e8b\u4ef6\u89f8\u767c\u5668\u3002<\/p>\n<h2 id=\"conclusion-kNXnOQMYYx\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL \u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u63d0\u4f9b\u4e86\u4e00\u7a2e\u5f37\u5927\u7684\u6a5f\u5236\uff0c\u901a\u904e\u5728\u97ff\u61c9\u7279\u5b9a\u4e8b\u4ef6\u6642\u57f7\u884c\u81ea\u5b9a\u7fa9\u4ee3\u78bc\u4f86\u64f4\u5c55\u6578\u64da\u5eab\u7684\u529f\u80fd\u3002<code>DROP EVENT TRIGGER<\/code> \u547d\u4ee4\u5141\u8a31\u7528\u6236\u5728\u4e0d\u518d\u9700\u8981\u4e8b\u4ef6\u89f8\u767c\u5668\u6642\u5c07\u5176\u522a\u9664\u3002\u901a\u904e\u5229\u7528\u4e8b\u4ef6\u89f8\u767c\u5668\uff0c\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u5728 PostgreSQL \u4e4b\u4e0a\u5275\u5efa\u66f4\u5177\u52d5\u614b\u6027\u548c\u97ff\u61c9\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"summary-kNXnOQMYYx\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0cPostgreSQL \u4e2d\u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u662f\u7528\u6236\u5b9a\u7fa9\u7684\u51fd\u6578\uff0c\u7576\u6578\u64da\u5eab\u4e2d\u767c\u751f\u7279\u5b9a\u4e8b\u4ef6\u6642\u81ea\u52d5\u57f7\u884c\u3002<code>DROP EVENT TRIGGER<\/code> \u547d\u4ee4\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u73fe\u6709\u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u3002PostgreSQL \u7684\u4e8b\u4ef6\u89f8\u767c\u5668\u63d0\u4f9b\u4e86\u4e00\u7a2e\u5f37\u5927\u7684\u6a5f\u5236\u4f86\u64f4\u5c55\u6578\u64da\u5eab\u7684\u529f\u80fd\uff0c\u800c <code>DROP EVENT TRIGGER<\/code> \u547d\u4ee4\u5247\u5141\u8a31\u7528\u6236\u5728\u4e0d\u518d\u9700\u8981\u6642\u522a\u9664\u4e8b\u4ef6\u89f8\u767c\u5668\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u6709\u95dc VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\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-20791","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20791","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=20791"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20791\/revisions"}],"predecessor-version":[{"id":24305,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20791\/revisions\/24305"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}