{"id":247315,"date":"2024-01-02T20:17:25","date_gmt":"2024-01-02T12:17:25","guid":{"rendered":"https:\/\/www.idc.net\/help\/247315\/"},"modified":"2024-01-02T20:17:25","modified_gmt":"2024-01-02T12:17:25","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ahv00n-fdw_unable_to_establish_connection%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247315\/","title":{"rendered":"\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aHV00N &#8211; fdw_unable_to_establish_connection\uff1f"},"content":{"rendered":"<p><title id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ahv00n-fdw_unable_to_establish_connection%ef%bc%9f-voktJFuuMO\">\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aHV00N - fdw_unable_to_establish_connection\uff1f<\/title><\/p>\n<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dpostgresql%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%ef%bc%9ahv00n-fdw_unable_to_establish_connection%ef%bc%9f-voktJFuuMO\">\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aHV00N - fdw_unable_to_establish_connection\uff1f<\/h1>\n<p>PostgreSQL\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u548c\u7f51\u7ad9\u7684\u6570\u636e\u5b58\u50a8\u548c\u7ba1\u7406\u3002\u7136\u800c\uff0c\u6709\u65f6\u5019\u5728\u4f7f\u7528PostgreSQL\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u9519\u8bef\u4ee3\u7801HV00N - fdw_unable_to_establish_connection\uff0c\u8fd9\u610f\u5473\u7740PostgreSQL\u65e0\u6cd5\u5efa\u7acb\u5916\u90e8\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002<\/p>\n<h2 id=\"%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81hv00n%e7%9a%84%e5%8e%9f%e5%9b%a0-voktJFuuMO\">\u9519\u8bef\u4ee3\u7801HV00N\u7684\u539f\u56e0<\/h2>\n<p>\u9519\u8bef\u4ee3\u7801HV00N\u901a\u5e38\u8868\u793aPostgreSQL\u65e0\u6cd5\u5efa\u7acb\u5916\u90e8\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u4ee5\u4e0b\u539f\u56e0\u5bfc\u81f4\u7684\uff1a<\/p>\n<ul>\n<li>\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\uff1a\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38\uff0c\u786e\u4fdd\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u6570\u636e\u6e90\u3002<\/li>\n<li>\u8ba4\u8bc1\u95ee\u9898\uff1a\u68c0\u67e5\u5916\u90e8\u6570\u636e\u6e90\u7684\u8ba4\u8bc1\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u786e\u4fddPostgreSQL\u53ef\u4ee5\u6b63\u786e\u5730\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n<li>\u9632\u706b\u5899\u95ee\u9898\uff1a\u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e\uff0c\u786e\u4fddPostgreSQL\u53ef\u4ee5\u4e0e\u5916\u90e8\u6570\u636e\u6e90\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<li>\u6570\u636e\u6e90\u914d\u7f6e\u95ee\u9898\uff1a\u68c0\u67e5\u5916\u90e8\u6570\u636e\u6e90\u7684\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u786e\u4fddPostgreSQL\u53ef\u4ee5\u6b63\u786e\u5730\u8fde\u63a5\u5230\u6570\u636e\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%a4%8dhv00n%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%e7%9a%84%e6%96%b9%e6%b3%95-voktJFuuMO\">\u4fee\u590dHV00N\u9519\u8bef\u4ee3\u7801\u7684\u65b9\u6cd5<\/h2>\n<p>\u4fee\u590dHV00N\u9519\u8bef\u4ee3\u7801\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4fee\u590d\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%a3%80%e6%9f%a5%e7%bd%91%e7%bb%9c%e8%bf%9e%e6%8e%a5-voktJFuuMO\">1. \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u786e\u4fdd\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u901a\u8fc7ping\u547d\u4ee4\u6d4b\u8bd5\u4e0e\u5916\u90e8\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002\u5982\u679c\u65e0\u6cd5ping\u901a\uff0c\u53ef\u80fd\u662f\u7f51\u7edc\u914d\u7f6e\u95ee\u9898\uff0c\u60a8\u9700\u8981\u68c0\u67e5\u7f51\u7edc\u8bbe\u7f6e\u5e76\u786e\u4fdd\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u6570\u636e\u6e90\u3002<\/p>\n<h3 id=\"2-%e6%a3%80%e6%9f%a5%e8%ae%a4%e8%af%81%e9%85%8d%e7%bd%ae-voktJFuuMO\">2. \u68c0\u67e5\u8ba4\u8bc1\u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\uff0c\u90a3\u4e48\u53ef\u80fd\u662f\u8ba4\u8bc1\u914d\u7f6e\u6709\u95ee\u9898\u3002\u8bf7\u68c0\u67e5\u5916\u90e8\u6570\u636e\u6e90\u7684\u8ba4\u8bc1\u914d\u7f6e\uff0c\u786e\u4fddPostgreSQL\u53ef\u4ee5\u6b63\u786e\u5730\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u60a8\u53ef\u80fd\u9700\u8981\u68c0\u67e5\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u5176\u4ed6\u8ba4\u8bc1\u53c2\u6570\u3002<\/p>\n<h3 id=\"3-%e6%a3%80%e6%9f%a5%e9%98%b2%e7%81%ab%e5%a2%99%e8%ae%be%e7%bd%ae-voktJFuuMO\">3. \u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e<\/h3>\n<p>\u9632\u706b\u5899\u8bbe\u7f6e\u53ef\u80fd\u4f1a\u963b\u6b62PostgreSQL\u4e0e\u5916\u90e8\u6570\u636e\u6e90\u8fdb\u884c\u901a\u4fe1\u3002\u8bf7\u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e\uff0c\u786e\u4fddPostgreSQL\u53ef\u4ee5\u4e0e\u5916\u90e8\u6570\u636e\u6e90\u5efa\u7acb\u8fde\u63a5\u3002\u60a8\u53ef\u80fd\u9700\u8981\u6dfb\u52a0\u76f8\u5e94\u7684\u9632\u706b\u5899\u89c4\u5219\u6216\u5141\u8bb8PostgreSQL\u7684\u8bbf\u95ee\u3002<\/p>\n<h3 id=\"4-%e6%a3%80%e6%9f%a5%e6%95%b0%e6%8d%ae%e6%ba%90%e9%85%8d%e7%bd%ae-voktJFuuMO\">4. \u68c0\u67e5\u6570\u636e\u6e90\u914d\u7f6e<\/h3>\n<p>\u6700\u540e\uff0c\u68c0\u67e5\u5916\u90e8\u6570\u636e\u6e90\u7684\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002\u786e\u4fddPostgreSQL\u53ef\u4ee5\u6b63\u786e\u5730\u8fde\u63a5\u5230\u6570\u636e\u6e90\u3002\u60a8\u53ef\u80fd\u9700\u8981\u68c0\u67e5\u4e3b\u673a\u540d\u3001\u7aef\u53e3\u53f7\u3001\u6570\u636e\u5e93\u540d\u79f0\u7b49\u914d\u7f6e\u53c2\u6570\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81-voktJFuuMO\">\u793a\u4f8b\u4ee3\u7801<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528PostgreSQL\u7684postgres_fdw\u6269\u5c55\u8fde\u63a5\u5230\u5916\u90e8\u6570\u636e\u6e90\uff1a<\/p>\n<pre><code>\n-- \u521b\u5efa\u5916\u90e8\u670d\u52a1\u5668\nCREATE SERVER my_server\nFOREIGN DATA WRAPPER postgres_fdw\nOPTIONS (host '\u5916\u90e8\u6570\u636e\u6e90\u4e3b\u673a\u540d', port '\u5916\u90e8\u6570\u636e\u6e90\u7aef\u53e3\u53f7', dbname '\u5916\u90e8\u6570\u636e\u6e90\u6570\u636e\u5e93\u540d\u79f0');\n\n-- \u521b\u5efa\u7528\u6237\u6620\u5c04\nCREATE USER MAPPING FOR \u5f53\u524d\u7528\u6237\nSERVER my_server\nOPTIONS (user '\u5916\u90e8\u6570\u636e\u6e90\u7528\u6237\u540d', password '\u5916\u90e8\u6570\u636e\u6e90\u5bc6\u7801');\n\n-- \u521b\u5efa\u5916\u90e8\u8868\nCREATE FOREIGN TABLE my_table (\n    id INT,\n    name VARCHAR\n)\nSERVER my_server\nOPTIONS (table_name '\u5916\u90e8\u6570\u636e\u6e90\u8868\u540d');\n<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-voktJFuuMO\">\u603b\u7ed3<\/h2>\n<p>\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801HV00N - fdw_unable_to_establish_connection\u53ef\u80fd\u9700\u8981\u60a8\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u3001\u8ba4\u8bc1\u914d\u7f6e\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u548c\u6570\u636e\u6e90\u914d\u7f6e\u3002\u786e\u4fdd\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3001\u8ba4\u8bc1\u914d\u7f6e\u6b63\u786e\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u5141\u8bb8\u901a\u4fe1\uff0c\u5e76\u4e14\u6570\u636e\u6e90\u914d\u7f6e\u6b63\u786e\u3002\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u89e3\u51b3HV00N\u9519\u8bef\u4ee3\u7801\u5e76\u6210\u529f\u5efa\u7acbPostgreSQL\u4e0e\u5916\u90e8\u6570\u636e\u6e90\u7684\u8fde\u63a5\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-voktJFuuMO\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u548c\u7f51\u7ad9\u7684\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u590dPostgreSQL\u9519\u8bef\u4ee3\u7801\uff1aHV00N - fdw_unable_to_establish_conn [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247315","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247315"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247315\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}