{"id":96794,"date":"2024-10-20T12:25:20","date_gmt":"2024-10-20T04:25:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96794\/"},"modified":"2024-10-20T12:25:21","modified_gmt":"2024-10-20T04:25:21","slug":"postgresql-2bp01-%e4%be%9d%e8%b3%b4%e5%b0%8d%e8%b1%a1%e4%bb%8d%e7%84%b6%e5%ad%98%e5%9c%a8-%e6%8a%a5%e9%94%99-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%a4%8d-%e8%bf%9c%e7%a8%8b%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96794\/","title":{"rendered":"PostgreSQL 2BP01: \u4f9d\u8cf4\u5c0d\u8c61\u4ecd\u7136\u5b58\u5728 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-2bp01-%e4%be%9d%e8%b3%b4%e5%b0%8d%e8%b1%a1%e4%bb%8d%e7%84%b6%e5%ad%98%e5%9c%a8%e5%a0%b1%e9%8c%af%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-EnYZHUxLka\">PostgreSQL 2BP01: \u4f9d\u8cf4\u5c0d\u8c61\u4ecd\u7136\u5b58\u5728\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u548c\u554f\u984c\u3002\u5176\u4e2d\uff0c\u932f\u8aa4\u4ee3\u78bc 2BP01\uff08\u4f9d\u8cf4\u5c0d\u8c61\u4ecd\u7136\u5b58\u5728\uff09\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u522a\u9664\u67d0\u500b\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u6216\u7d22\u5f15\uff09\u6642\uff0c\u8a72\u5c0d\u8c61\u4ecd\u7136\u88ab\u5176\u4ed6\u5c0d\u8c61\u6240\u4f9d\u8cf4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-EnYZHUxLka\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>PostgreSQL \u4e2d\u7684\u4f9d\u8cf4\u95dc\u4fc2\u662f\u6307\u5c0d\u8c61\u4e4b\u9593\u7684\u76f8\u4e92\u95dc\u806f\u3002\u4f8b\u5982\uff0c\u4e00\u500b\u8996\u5716\u53ef\u80fd\u4f9d\u8cf4\u65bc\u4e00\u500b\u6216\u591a\u500b\u8868\uff0c\u6216\u8005\u4e00\u500b\u51fd\u6578\u53ef\u80fd\u4f9d\u8cf4\u65bc\u67d0\u500b\u8996\u5716\u3002\u7576\u4f60\u5617\u8a66\u522a\u9664\u4e00\u500b\u5c0d\u8c61\u6642\uff0c\u5982\u679c\u8a72\u5c0d\u8c61\u4ecd\u7136\u88ab\u5176\u4ed6\u5c0d\u8c61\u6240\u4f9d\u8cf4\uff0cPostgreSQL \u6703\u8fd4\u56de\u932f\u8aa4 2BP01\u3002\u9019\u662f\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u610f\u5916\u522a\u9664\u4ecd\u5728\u4f7f\u7528\u7684\u5c0d\u8c61\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e4%be%9d%e8%b3%b4%e9%97%9c%e4%bf%82-EnYZHUxLka\">\u5982\u4f55\u6aa2\u67e5\u4f9d\u8cf4\u95dc\u4fc2<\/h2>\n<p>\u5728\u8655\u7406\u6b64\u932f\u8aa4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u54ea\u4e9b\u5c0d\u8c61\u4f9d\u8cf4\u65bc\u4f60\u60f3\u8981\u522a\u9664\u7684\u5c0d\u8c61\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u627e\u4f9d\u8cf4\u95dc\u4fc2\uff1a<\/p>\n<pre><code>SELECT\n    dependent.relname AS dependent_object,\n    source.relname AS source_object\nFROM\n    pg_catalog.pg_depend AS dep\nJOIN\n    pg_catalog.pg_class AS dependent ON dep.refobjid = dependent.oid\nJOIN\n    pg_catalog.pg_class AS source ON dep.objid = source.oid\nWHERE\n    source.relname = 'your_object_name';<\/code><\/pre>\n<p>\u5c07 &#8216;your_object_name&#8217; \u66ff\u63db\u70ba\u4f60\u60f3\u8981\u522a\u9664\u7684\u5c0d\u8c61\u540d\u7a31\u3002\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u4f9d\u8cf4\u65bc\u8a72\u5c0d\u8c61\u7684\u5c0d\u8c61\u5217\u8868\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-EnYZHUxLka\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u4f9d\u8cf4\u95dc\u4fc2\uff0c\u63a5\u4e0b\u4f86\u7684\u6b65\u9a5f\u662f\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u9032\u884c\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li><strong>\u522a\u9664\u4f9d\u8cf4\u5c0d\u8c61\uff1a<\/strong>\u5982\u679c\u4f9d\u8cf4\u5c0d\u8c61\u4e0d\u518d\u9700\u8981\uff0c\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u5b83\u5011\u3002\u8acb\u6ce8\u610f\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5176\u4ed6\u529f\u80fd\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u9032\u884c\u5099\u4efd\u3002<\/li>\n<li><strong>\u4fee\u6539\u4f9d\u8cf4\u5c0d\u8c61\uff1a<\/strong>\u5982\u679c\u4f9d\u8cf4\u5c0d\u8c61\u4ecd\u7136\u9700\u8981\uff0c\u53ef\u4ee5\u8003\u616e\u4fee\u6539\u5b83\u5011\u4ee5\u79fb\u9664\u5c0d\u65bc\u8981\u522a\u9664\u5c0d\u8c61\u7684\u4f9d\u8cf4\u3002\u4f8b\u5982\uff0c\u66f4\u65b0\u8996\u5716\u4ee5\u4e0d\u518d\u5f15\u7528\u8a72\u8868\u3002<\/li>\n<li><strong>\u4f7f\u7528 CASCADE \u9078\u9805\uff1a<\/strong>\u5982\u679c\u4f60\u78ba\u5b9a\u8981\u522a\u9664\u7684\u5c0d\u8c61\u53ca\u5176\u6240\u6709\u4f9d\u8cf4\u5c0d\u8c61\u90fd\u53ef\u4ee5\u88ab\u522a\u9664\uff0c\u53ef\u4ee5\u4f7f\u7528 CASCADE \u9078\u9805\u3002\u4f8b\u5982\uff1a<\/strong><\/li>\n<\/ul>\n<pre><code>DROP TABLE your_table_name CASCADE;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u6307\u5b9a\u7684\u8868\u53ca\u5176\u6240\u6709\u4f9d\u8cf4\u5c0d\u8c61\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-EnYZHUxLka\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u96f2\u670d\u52d9\u6216 VPS \u74b0\u5883\u6642\uff0c\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002\u9019\u53ef\u4ee5\u901a\u904e SSH \u9023\u63a5\u5230\u4f3a\u670d\u5668\uff0c\u7136\u5f8c\u4f7f\u7528 PostgreSQL \u7684\u547d\u4ee4\u884c\u5de5\u5177\u9032\u884c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528 SSH \u9023\u63a5\u5230\u4f60\u7684\u4f3a\u670d\u5668\uff1a<\/li>\n<pre><code>ssh user@your_server_ip<\/code><\/pre>\n<li>\u9032\u5165 PostgreSQL \u547d\u4ee4\u884c\u754c\u9762\uff1a<\/li>\n<pre><code>psql -U your_username -d your_database<\/code><\/pre>\n<li>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u548c\u547d\u4ee4\u4ee5\u6aa2\u67e5\u548c\u522a\u9664\u4f9d\u8cf4\u5c0d\u8c61\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EnYZHUxLka\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4 2BP01\uff08\u4f9d\u8cf4\u5c0d\u8c61\u4ecd\u7136\u5b58\u5728\uff09\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u7531\u65bc\u5c0d\u8c61\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5\u4f9d\u8cf4\u95dc\u4fc2\u3001\u522a\u9664\u6216\u4fee\u6539\u4f9d\u8cf4\u5c0d\u8c61\uff0c\u6216\u4f7f\u7528 CASCADE \u9078\u9805\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5728\u96f2\u74b0\u5883\u4e2d\uff0c\u9060\u7a0b\u8655\u7406\u4e5f\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u8b93\u7528\u6236\u80fd\u5920\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3PostgreSQL 2BP01\u9519\u8bef\uff1a\u4f9d\u8d56\u5bf9\u8c61\u4ecd\u7136\u5b58\u5728\u7684\u6545\u969c\u4fee\u590d\u4e0e\u8fdc\u7a0b\u5904\u7406\u65b9\u6cd5\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u987a\u5229\u8fd0\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-96794","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96794","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=96794"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96794\/revisions"}],"predecessor-version":[{"id":96795,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96794\/revisions\/96795"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}