{"id":20769,"date":"2024-01-02T05:38:18","date_gmt":"2024-01-02T05:38:18","guid":{"rendered":"https:\/\/server.hk\/blog\/20769\/"},"modified":"2024-11-14T10:39:02","modified_gmt":"2024-11-14T02:39:02","slug":"postgresql-command-drop-operator-family","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20769\/","title":{"rendered":"PostgreSQL \u547d\u4ee4: DROP OPERATOR FAMILY"},"content":{"rendered":"<h1 id=\"postgresql-command-drop-operator-family-eojpQPMGXl\">PostgreSQL \u547d\u4ee4: DROP OPERATOR FAMILY<\/h1>\n<p>\u5728 PostgreSQL \u4e2d\uff0c<code>DROP OPERATOR FAMILY<\/code> \u547d\u4ee4\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u4e00\u500b\u64cd\u4f5c\u7b26\u65cf\u3002\u64cd\u4f5c\u7b26\u65cf\u662f\u4e00\u7d44\u5f7c\u6b64\u76f8\u95dc\u7684\u64cd\u4f5c\u7b26\uff0c\u5c08\u9580\u7528\u65bc\u7279\u5b9a\u6578\u64da\u985e\u578b\u3002\u9019\u500b\u547d\u4ee4\u5141\u8a31\u60a8\u522a\u9664\u4e0d\u518d\u9700\u8981\u6216\u5df2\u7d93\u904e\u6642\u7684\u64cd\u4f5c\u7b26\u65cf\u3002<\/p>\n<h2 id=\"syntax-eojpQPMGXl\">\u8a9e\u6cd5<\/h2>\n<p><code>DROP OPERATOR FAMILY<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP OPERATOR FAMILY [IF EXISTS] operator_family_name USING access_method_name;<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>operator_family_name<\/code> \u662f\u60a8\u60f3\u8981\u522a\u9664\u7684\u64cd\u4f5c\u7b26\u65cf\u540d\u7a31\uff0c\u800c <code>access_method_name<\/code> \u662f\u8207\u8a72\u64cd\u4f5c\u7b26\u65cf\u76f8\u95dc\u7684\u8a2a\u554f\u65b9\u6cd5\u540d\u7a31\u3002<\/p>\n<h2 id=\"example-eojpQPMGXl\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba &#8220;text_pattern_ops&#8221; \u7684\u64cd\u4f5c\u7b26\u65cf\uff0c\u8207\u8a2a\u554f\u65b9\u6cd5 &#8220;btree&#8221; \u76f8\u95dc\u806f\u3002\u8981\u522a\u9664\u9019\u500b\u64cd\u4f5c\u7b26\u65cf\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP OPERATOR FAMILY text_pattern_ops USING btree;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u6703\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664 &#8220;text_pattern_ops&#8221; \u64cd\u4f5c\u7b26\u65cf\u3002<\/p>\n<h2 id=\"notes-eojpQPMGXl\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 <code>DROP OPERATOR FAMILY<\/code> \u547d\u4ee4\u6642\uff0c\u6709\u5e7e\u500b\u91cd\u8981\u7684\u8981\u9ede\u9700\u8981\u8a18\u4f4f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u60a8\u60f3\u8981\u522a\u9664\u7684\u64cd\u4f5c\u7b26\u65cf\u4e0d\u5b58\u5728\uff0c\u5c07\u6703\u5f15\u767c\u932f\u8aa4\u3002\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>IF EXISTS<\/code> \u9078\u9805\uff0c\u9019\u6a23\u5982\u679c\u64cd\u4f5c\u7b26\u65cf\u4e0d\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<li>\u7576\u60a8\u522a\u9664\u4e00\u500b\u64cd\u4f5c\u7b26\u65cf\u6642\uff0c\u6240\u6709\u8207\u5176\u76f8\u95dc\u7684\u64cd\u4f5c\u7b26\u548c\u64cd\u4f5c\u7b26\u985e\u5225\u4e5f\u5c07\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u3002<\/li>\n<li>\u8acb\u8b39\u614e\u4f7f\u7528\u6b64\u547d\u4ee4\uff0c\u56e0\u70ba\u522a\u9664\u64cd\u4f5c\u7b26\u65cf\u53ef\u80fd\u5c0d\u6578\u64da\u5eab\u7684\u529f\u80fd\u7522\u751f\u91cd\u5927\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"summary-eojpQPMGXl\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684 <code>DROP OPERATOR FAMILY<\/code> \u547d\u4ee4\u5141\u8a31\u60a8\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u4e00\u500b\u64cd\u4f5c\u7b26\u65cf\u3002\u9019\u500b\u547d\u4ee4\u7528\u65bc\u522a\u9664\u4e0d\u518d\u9700\u8981\u6216\u5df2\u7d93\u904e\u6642\u7684\u64cd\u4f5c\u7b26\u65cf\u3002\u901a\u904e\u4f7f\u7528\u6b64\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u4fdd\u6301\u6709\u5e8f\u548c\u9ad8\u6548\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u9999\u6e2f VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002Server.HK \u63d0\u4f9b\u591a\u7a2e\u8a08\u5283\u548c\u512a\u79c0\u7684\u5ba2\u6236\u652f\u6301\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u9700\u6c42\u63d0\u4f9b\u4e00\u6d41\u7684 VPS \u8a17\u7ba1\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\u4ee4: D&#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-20769","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20769","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=20769"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20769\/revisions"}],"predecessor-version":[{"id":24340,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20769\/revisions\/24340"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}