{"id":20782,"date":"2024-01-02T05:51:22","date_gmt":"2024-01-02T05:51:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20782\/"},"modified":"2024-11-14T10:38:46","modified_gmt":"2024-11-14T02:38:46","slug":"postgresql-command-create-server","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20782\/","title":{"rendered":"PostgreSQL \u547d\u4ee4: CREATE SERVER"},"content":{"rendered":"<h1 id=\"postgresql-command-create-server-ZXQJqAxpwA\">PostgreSQL \u547d\u4ee4: CREATE SERVER<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u591a\u7a2e\u529f\u80fd\u8207\u80fd\u529b\u3002PostgreSQL \u4e2d\u4e00\u500b\u57fa\u672c\u7684\u547d\u4ee4\u662f CREATE SERVER \u547d\u4ee4\uff0c\u5b83\u5141\u8a31\u7528\u6236\u5b9a\u7fa9\u5916\u90e8\u4f3a\u670d\u5668\u53ca\u5176\u76f8\u95dc\u9078\u9805\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u8a73\u7d30\u63a2\u8a0e CREATE SERVER \u547d\u4ee4\uff0c\u4e86\u89e3\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"introduction-to-create-server-ZXQJqAxpwA\">CREATE SERVER \u7c21\u4ecb<\/h2>\n<p>PostgreSQL \u4e2d\u7684 CREATE SERVER \u547d\u4ee4\u7528\u65bc\u5b9a\u7fa9\u5916\u90e8\u4f3a\u670d\u5668\uff0c\u9019\u8868\u793a\u53ef\u4ee5\u7531\u6578\u64da\u5eab\u8a2a\u554f\u7684\u5916\u90e8\u6578\u64da\u6e90\u3002\u9019\u500b\u5916\u90e8\u6578\u64da\u6e90\u53ef\u4ee5\u662f\u53e6\u4e00\u500b PostgreSQL \u6578\u64da\u5eab\uff0c\u6216\u5b8c\u5168\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u4f8b\u5982 MySQL \u6216 Oracle\u3002<\/p>\n<p>\u5728\u5275\u5efa\u5916\u90e8\u4f3a\u670d\u5668\u6642\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u5404\u7a2e\u53c3\u6578\uff0c\u5305\u62ec\u4f3a\u670d\u5668\u540d\u7a31\u3001\u4f3a\u670d\u5668\u985e\u578b\u548c\u9023\u63a5\u9078\u9805\u3002\u9019\u4e9b\u53c3\u6578\u5b9a\u7fa9\u4e86 PostgreSQL \u6578\u64da\u5eab\u5982\u4f55\u9023\u63a5\u5230\u5916\u90e8\u6578\u64da\u6e90\u4e26\u8207\u4e4b\u4e92\u52d5\u3002<\/p>\n<h2 id=\"syntax-of-create-server-ZXQJqAxpwA\">CREATE SERVER \u8a9e\u6cd5<\/h2>\n<p>PostgreSQL \u4e2d\u7684 CREATE SERVER \u547d\u4ee4\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE SERVER server_name\r\n  FOREIGN DATA WRAPPER wrapper_name\r\n  OPTIONS (option 'value', ...);\r\n<\/code><\/pre>\n<p>\u8b93\u6211\u5011\u9010\u9805\u5206\u6790\u8a9e\u6cd5\uff1a<\/p>\n<ul>\n<li><code>server_name<\/code>: \u60a8\u60f3\u8981\u5275\u5efa\u7684\u5916\u90e8\u4f3a\u670d\u5668\u7684\u540d\u7a31\u3002<\/li>\n<li><code>FOREIGN DATA WRAPPER wrapper_name<\/code>: \u6307\u5b9a\u8981\u4f7f\u7528\u7684\u5916\u90e8\u6578\u64da\u5305\u88dd\u5668 (FDW)\u3002FDW \u662f\u64f4\u5c55\uff0c\u5141\u8a31 PostgreSQL \u8207\u4e0d\u540c\u6578\u64da\u6e90\u9032\u884c\u4ea4\u4e92\u3002<\/li>\n<li><code>OPTIONS (option 'value', ...)<\/code>: \u6307\u5b9a\u5916\u90e8\u4f3a\u670d\u5668\u7684\u9023\u63a5\u9078\u9805\u3002\u9019\u4e9b\u9078\u9805\u53ef\u4ee5\u5305\u62ec\u4e3b\u6a5f\u3001\u7aef\u53e3\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u7b49\u53c3\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"example-usage-ZXQJqAxpwA\">\u7bc4\u4f8b\u7528\u6cd5<\/h2>\n<p>\u8b93\u6211\u5011\u8003\u616e\u4e00\u500b\u7bc4\u4f8b\uff0c\u6211\u5011\u60f3\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba &#8220;mysql_server&#8221; \u7684\u5916\u90e8\u4f3a\u670d\u5668\uff0c\u8a72\u4f3a\u670d\u5668\u9023\u63a5\u5230\u904b\u884c\u5728\u672c\u5730\u4e3b\u6a5f\u7684 MySQL \u6578\u64da\u5eab\uff0c\u4e26\u4f7f\u7528\u7528\u6236\u540d &#8220;user&#8221; \u548c\u5bc6\u78bc &#8220;password&#8221;\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b CREATE SERVER \u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE SERVER mysql_server\r\n  FOREIGN DATA WRAPPER mysql_fdw\r\n  OPTIONS (host 'localhost', port '3306', dbname 'mydb', user 'user', password 'password');\r\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 &#8220;mysql_fdw&#8221; \u5916\u90e8\u6578\u64da\u5305\u88dd\u5668\uff0c\u9019\u662f\u4e00\u500b\u5c08\u9580\u8a2d\u8a08\u7528\u65bc\u8207 MySQL \u6578\u64da\u5eab\u4ea4\u4e92\u7684\u64f4\u5c55\u3002OPTIONS \u90e8\u5206\u6307\u5b9a\u4e86\u5efa\u7acb\u8207 MySQL \u4f3a\u670d\u5668\u9023\u63a5\u6240\u9700\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"conclusion-ZXQJqAxpwA\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL \u4e2d\u7684 CREATE SERVER \u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u5b9a\u7fa9\u5916\u90e8\u4f3a\u670d\u5668\u4e26\u8207\u5916\u90e8\u6578\u64da\u6e90\u5efa\u7acb\u9023\u63a5\u3002\u900f\u904e\u5229\u7528\u6b64\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u7121\u7e2b\u5730\u5c07\u4f86\u81ea\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u6578\u64da\u6574\u5408\u5230 PostgreSQL \u6578\u64da\u5eab\u4e2d\uff0c\u5f9e\u800c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u548c\u5206\u6790\u3002<\/p>\n<h2 id=\"summary-ZXQJqAxpwA\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cPostgreSQL \u4e2d\u7684 CREATE SERVER \u547d\u4ee4\u7528\u65bc\u5b9a\u7fa9\u5916\u90e8\u4f3a\u670d\u5668\u53ca\u5176\u76f8\u95dc\u9078\u9805\u3002\u5b83\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u8207\u5916\u90e8\u6578\u64da\u6e90\u5efa\u7acb\u9023\u63a5\uff0c\u4f8b\u5982\u5176\u4ed6 PostgreSQL \u6578\u64da\u5eab\u6216\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5982 MySQL \u6216 Oracle\u3002\u901a\u904e\u4f7f\u7528 CREATE SERVER \u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u7121\u7e2b\u6574\u5408\u4f86\u81ea\u5404\u7a2e\u4f86\u6e90\u7684\u6578\u64da\u5230 PostgreSQL \u6578\u64da\u5eab\u4e2d\uff0c\u589e\u5f37\u6578\u64da\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n<p>\u6b32\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: C&#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-20782","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20782","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=20782"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20782\/revisions"}],"predecessor-version":[{"id":24318,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20782\/revisions\/24318"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}